The document summarizes the key aspects of ASME Section IX (Ed. 2019), which contains requirements for welding procedure and performance qualifications. It discusses the history and timeline of ASME standards development. It also provides an overview of the various articles within ASME Section IX, including Article I on general welding requirements, Article II on welding procedure qualification, Article III on welding performance qualification, and Article IV on welding data. Key terms like essential variables, P-numbers, F-numbers, and A-numbers used for material grouping are also defined in the document.
This document defines key terms related to welder and procedure qualification including welding procedure specification (WPS), procedure qualification record (PQR), welder performance qualification (WPQ), essential variables, non-essential variables, and supplementary essential variables. It also summarizes requirements for PQR, WPS, and WPQ review and discusses validity, expiration, renewal of welder qualifications, welding repairs, and applicable Aramco engineering procedures.
This document provides an introduction to ASME Section IX, which establishes general guidelines for welding procedure and welder performance qualifications. It discusses the requirements for qualifying welding procedures using procedure qualification records (PQRs) and welding procedure specifications (WPSs). The key points covered include:
- ASME Section IX covers the qualification of welding and brazing procedures.
- Welding procedure qualifications demonstrate that a set of welding variables can reliably produce sound welds.
- WPSs and PQRs are used to document and qualify welding procedures. A WPS must be supported by a qualified PQR to be used for production.
It also summarizes the classification of base metals using 'P' numbers,
This document provides an agenda and overview of a training program on the ASME Boiler and Pressure Vessel Codes. It discusses the objectives of codes and standards, highlights of the ASME Code system including sections I through XI, and introduces Section VIII Division 1 which governs pressure vessels. Key points covered include material requirements, design thickness calculation, weld joint categories, non-destructive testing requirements, and post-weld heat treatment stipulations. The training aims to help participants understand the application and requirements of the ASME pressure vessel codes.
This document provides concise summaries of key terms and concepts for a QC welding inspector interview. It defines common quality control terms like QA, QC, QAP, ITP, and explains the differences between them. It also summarizes welding concepts such as the four main welding types, the purpose of welding procedures like WPS and PQR, essential versus non-essential variables, and what organizations like ASME and AWS stand for.
The document outlines the five step process to qualify a welding procedure according to ASME Section IX. It provides details on developing a draft procedure using 0.75" A36 steel plate welded in the flat position using GTAW and GMAW. Variables such as joint design, base metal and thickness, filler metal type and size, welding position, and electrical parameters are documented. The qualification weld was tested to verify it results in an acceptable weld with proper mechanical properties before the welding procedure specification can be used in construction.
This document discusses the selection of filler wires. It begins with an objective to learn about filler wires, ASME Section IX Table QW-422 for material grades and chemical compositions, and SFA numbers. It then introduces the differences between filler wires and electrodes, and the nomenclature used for filler wires. Examples are provided for selecting the correct filler wire based on the base metal, welding process, and referring to ASME standards. The conclusion emphasizes that filler wire selection depends on the welding process, base metal, joint type, and referencing ASME codes.
How to write a Welding Procedure Specification (ISO 15614-1Tiago Pereira
Some key aspects of writing welding procedure specifications. A good learning point for people who have no experience in the field, and a good reference for seasoned engineers
A QA/QC ENGINEER MUST KNOW THESE TABLE IN ASME SEC IXWeld Maniac
This document provides information on qualifying welders and welding procedures according to the ASME Section IX code. It includes tables that specify the base metals and filler metals qualified by different welding tests. The tables indicate which base or filler metals a welder or procedure is considered qualified to weld based on the specific metals tested during qualification. Qualifying a production weld also qualifies the procedure to weld a broader range of materials according to these tables.
This document defines key terms related to welder and procedure qualification including welding procedure specification (WPS), procedure qualification record (PQR), welder performance qualification (WPQ), essential variables, non-essential variables, and supplementary essential variables. It also summarizes requirements for PQR, WPS, and WPQ review and discusses validity, expiration, renewal of welder qualifications, welding repairs, and applicable Aramco engineering procedures.
This document provides an introduction to ASME Section IX, which establishes general guidelines for welding procedure and welder performance qualifications. It discusses the requirements for qualifying welding procedures using procedure qualification records (PQRs) and welding procedure specifications (WPSs). The key points covered include:
- ASME Section IX covers the qualification of welding and brazing procedures.
- Welding procedure qualifications demonstrate that a set of welding variables can reliably produce sound welds.
- WPSs and PQRs are used to document and qualify welding procedures. A WPS must be supported by a qualified PQR to be used for production.
It also summarizes the classification of base metals using 'P' numbers,
This document provides an agenda and overview of a training program on the ASME Boiler and Pressure Vessel Codes. It discusses the objectives of codes and standards, highlights of the ASME Code system including sections I through XI, and introduces Section VIII Division 1 which governs pressure vessels. Key points covered include material requirements, design thickness calculation, weld joint categories, non-destructive testing requirements, and post-weld heat treatment stipulations. The training aims to help participants understand the application and requirements of the ASME pressure vessel codes.
This document provides concise summaries of key terms and concepts for a QC welding inspector interview. It defines common quality control terms like QA, QC, QAP, ITP, and explains the differences between them. It also summarizes welding concepts such as the four main welding types, the purpose of welding procedures like WPS and PQR, essential versus non-essential variables, and what organizations like ASME and AWS stand for.
The document outlines the five step process to qualify a welding procedure according to ASME Section IX. It provides details on developing a draft procedure using 0.75" A36 steel plate welded in the flat position using GTAW and GMAW. Variables such as joint design, base metal and thickness, filler metal type and size, welding position, and electrical parameters are documented. The qualification weld was tested to verify it results in an acceptable weld with proper mechanical properties before the welding procedure specification can be used in construction.
This document discusses the selection of filler wires. It begins with an objective to learn about filler wires, ASME Section IX Table QW-422 for material grades and chemical compositions, and SFA numbers. It then introduces the differences between filler wires and electrodes, and the nomenclature used for filler wires. Examples are provided for selecting the correct filler wire based on the base metal, welding process, and referring to ASME standards. The conclusion emphasizes that filler wire selection depends on the welding process, base metal, joint type, and referencing ASME codes.
How to write a Welding Procedure Specification (ISO 15614-1Tiago Pereira
Some key aspects of writing welding procedure specifications. A good learning point for people who have no experience in the field, and a good reference for seasoned engineers
A QA/QC ENGINEER MUST KNOW THESE TABLE IN ASME SEC IXWeld Maniac
This document provides information on qualifying welders and welding procedures according to the ASME Section IX code. It includes tables that specify the base metals and filler metals qualified by different welding tests. The tables indicate which base or filler metals a welder or procedure is considered qualified to weld based on the specific metals tested during qualification. Qualifying a production weld also qualifies the procedure to weld a broader range of materials according to these tables.
This document provides information about heat treatment of pressure vessels and various heat treatment processes. It discusses the effect of heat treatment on mechanical properties of metals and alloys. Various heat treatment processes like normalizing, annealing, stress relieving, solution annealing, hardening, tempering and aging are described. Parameters for heat treatment of different steel grades are listed. The document also covers thermocouples, recorders, furnace layout and calibration procedures for heat treatment furnaces.
Welding Procedure Specification and Welder approval based on
AWS D.1.1: Structural Steel Welding Code
ASME IX: Welding and Brazing Qualifications
API 1104: Welding of Pipelines
This document provides an overview and contents of an online course about ASME Section I and Section VIII fundamentals. It includes:
- An introduction to the ASME Boiler and Pressure Vessel Code which contains 12 sections covering various topics like power boilers, materials, pressure vessels, welding qualifications, and piping codes.
- Summaries of the scopes and requirements of key sections like Section I (power boilers), Section VIII (pressure vessels), and the B31 piping codes.
- Information on ASME certification and inspection procedures for pressure equipment.
- A note on converting between imperial and metric units in the ASME codes.
- An introduction to the fundamentals and design requirements
This document provides an overview and introduction to ASME Section VIII Division 1, which establishes rules for the construction of pressure vessels. It discusses the historical context that led to the development of pressure vessel codes, an overview of ASME's codes and standards, key definitions, and the design requirements and considerations specified in Section VIII Division 1. The document covers topics such as material selection, corrosion allowances, minimum thickness requirements, design pressure, and loadings that must be considered in pressure vessel design.
This document outlines requirements for welding procedure and procedure qualification records according to ASME Section IX. It discusses test positions, mechanical tests like tension tests and bend tests, and requirements for welding procedure specifications and procedure qualification records including essential variables that must be documented.
The document provides an overview of the ASME B31.3 Process Piping Code. It discusses the code's philosophy, organization, history, scope, fluid service categories, and application. Key points include that B31.3 applies to process piping systems in chemical, petroleum, and other plants. It covers piping for various fluids and has specific requirements for Category M and high pressure fluid services. The code is organized into chapters that address design, materials, components, fabrication, inspection, and other topics.
This document discusses ASME Section IX and welding procedure and performance qualification. It covers topics such as welding procedure specifications (WPS), procedure qualification records (PQR), essential and non-essential variables in WPS, grouping of base materials and filler metals, joint types, positions, preheat and post-weld heat treatment requirements. It also discusses welder performance qualification tests and variables that require requalification. Standard formats for WPS and PQR are presented.
This document outlines the 8 steps to produce a Procedure Qualification Record (PQR) according to the ASME Section IX code. The steps are: 1) identify essential variables for the welding process, 2) add remaining essential variables from construction codes, 3) fill out the PQR format, 4) choose a qualified welder, 5) record welding parameters, 6) perform visual and mechanical tests, 7) record test results on the PQR, and 8) sign and date the completed PQR.
This document summarizes NACE MR0175/ISO 15156, which provides requirements and recommendations for selecting and qualifying metallic materials for use in equipment exposed to hydrogen sulfide in the oil and gas industry. It addresses various corrosion mechanisms that can be caused by H2S. The standard outlines three approaches: selecting pre-qualified materials, qualifying materials based on documented field experience, or qualifying materials through laboratory testing. It refers to other parts of the standard for test methods for different material types.
The document summarizes ASME Section VIII Division 1 code requirements for material identification, repair of material defects, Charpy impact testing of production test coupons, weld joint categories, radiographic and ultrasonic examination, welding requirements, and acceptance standards for non-destructive examination. Key points include requirements for original material markings, testing procedures that vary based on joint category and position, examination types based on joint size and material thickness, welder identification, pre-welding surface preparation, and imperfection acceptance criteria.
The document discusses the rules for impact testing determination in the ASME Section VIII, Division 1 code. It provides an overview of impact testing principles and exemptions. Key points include:
- Impact testing determines a material's ability to resist brittle failure under stress. Characteristics like thickness, temperature, and material composition affect this.
- Code rules specify when impact testing is required or exempted based on these characteristics. Exemptions may be provided directly in code paragraphs or figures.
- Section UG-84 provides the procedures for performing charpy v-notch impact testing to evaluate ductility. Specimen size, location, and acceptance values must meet these rules.
The document discusses weld defect acceptance criteria according to different codes such as ASTM B31.1, ASME VIII, ASME B31.3, and AWS D1.1. It provides details on acceptance limits for various weld defects depending on the examination method, material thickness, loading conditions, and material application. Defects discussed include cracks, lack of fusion, incomplete penetration, undercuts, porosity, and reinforcement. Acceptance criteria include maximum defect sizes, numbers of defects allowed, cumulative lengths of defects, and distances between defects.
This document provides a summary of Module 7, which covers Weld Procedure Qualification according to ASME Section IX. It discusses the 5 step process for qualifying a welding procedure and the variables that must be addressed in the Procedure Qualification Record (PQR). These include joint design, base metal, filler metal, position, preheat, post-weld heat treatment, gas, and electrical characteristics. An example procedure qualification is provided for a manual GTAW and GMAW weld on 0.75-inch thick A36 steel in the flat position, with no preheat or PWHT, using ER80S-D2 wire for GTAW and ER70S-6 wire for GMAW
The document outlines the sections and subsections contained in the ASME Boiler and Pressure Vessel Code. It includes rules for construction of various types of boilers, pressure vessels, and containment systems. The sections cover materials specifications, welding requirements, nondestructive testing, in-service inspection, and rules for ongoing care and operation. The code also provides alternative rules for special construction applications.
This document summarizes ASME Section VIII Division 2 requirements for welding and non-destructive testing of welds. It outlines weld categories, fabrication requirements including repair of defects, welding identification markings, and acceptance standards for radiographic, penetrant, and ultrasonic testing of welds. Impact testing of welds is also addressed including testing of vessel test plates to qualify welding procedures for different weld categories.
This document provides an overview of ASME Boiler and Pressure Vessel Codes. It discusses the objectives and benefits of codes and standards, and describes the ASME Code system and some of its key sections. It focuses on introducing ASME Section VIII Division 1, covering the scope and exclusions of this section. Key topics covered include design requirements, material specifications, fabrication methods, weld joint categories, non-destructive examination methods, and hydrostatic and pneumatic testing requirements.
This document provides information on the essential variables and requirements for welder qualification according to ASME Section IX. It lists the key variables that must be specified for a welder qualification, including welding process, type, base metal, filler metal, and weld thickness limits. It also outlines the qualification requirements and limitations for weld position, diameter, progression, backing, and which filler and base metals a welder is qualified to use based on their test.
1) The document discusses how to read, understand, and use a Welding Procedure Specification (WPS). It provides definitions for key terms like WPS, PQR, essential variables, and non-essential variables.
2) A Procedure Qualification Record (PQR) must be made before a WPS. The PQR documents the variables used to weld a test coupon and the test results.
3) The example WPS provided is written according to ASME code for welding carbon steel designated as P-No. 8 material. It specifies the welding process, filler metal, and other key variables.
This document provides an overview of API 510 exam preparation materials covering service restrictions, joint efficiencies, and radiography requirements in ASME Section VIII. Some key points:
- Welded joints in vessels containing lethal substances must be fully radiographed and the vessel postweld heat treated if carbon/low alloy steel. Category A joints must be Type 1 (double welded) while Categories B-C can be Type 1 or 2.
- Joint categories define joint locations (e.g. longitudinal, circumferential). Type defines joint construction (e.g. double welded, single welded).
- Radiographs must show a minimum penetrameter image and identify unacceptable imperfections over certain size thresholds
This document outlines welding, fabrication, and inspection standards for Polaris Engineering. It covers the scope, references applicable codes and standards, welding procedures, processes, filler materials, joint preparation, preheat/interpass temperatures, postweld heat treatment, non-destructive testing, repairs, limitations, and requirements for reviewing vendor procedures. The standards apply to pressure equipment, piping, toxic/corrosive materials, and structural steel. Welding procedures must be submitted and accepted prior to starting any welding. Qualified welders and processes are required, and specific limitations are outlined for gas metal arc, flux core arc, and submerged arc welding processes.
This document discusses welding procedure qualifications according to ASME Section IX. It is divided into four parts covering general requirements, welding procedure qualifications, welding performance qualifications, and welding data. Key points include:
- Welding procedure specifications must describe all essential, nonessential, and supplementary essential variables. Procedure qualifications demonstrate a joining process can produce joints meeting mechanical property requirements.
- Performance qualifications demonstrate a person's ability to produce sound joints using a qualified procedure. Qualification can be done through mechanical testing or volumetric examination of test coupons.
- Variables that most affect mechanical properties include changes to base metal P-number, filler metal F-number, or metal transfer mode. Qualification limits a welder's use
This document provides information about heat treatment of pressure vessels and various heat treatment processes. It discusses the effect of heat treatment on mechanical properties of metals and alloys. Various heat treatment processes like normalizing, annealing, stress relieving, solution annealing, hardening, tempering and aging are described. Parameters for heat treatment of different steel grades are listed. The document also covers thermocouples, recorders, furnace layout and calibration procedures for heat treatment furnaces.
Welding Procedure Specification and Welder approval based on
AWS D.1.1: Structural Steel Welding Code
ASME IX: Welding and Brazing Qualifications
API 1104: Welding of Pipelines
This document provides an overview and contents of an online course about ASME Section I and Section VIII fundamentals. It includes:
- An introduction to the ASME Boiler and Pressure Vessel Code which contains 12 sections covering various topics like power boilers, materials, pressure vessels, welding qualifications, and piping codes.
- Summaries of the scopes and requirements of key sections like Section I (power boilers), Section VIII (pressure vessels), and the B31 piping codes.
- Information on ASME certification and inspection procedures for pressure equipment.
- A note on converting between imperial and metric units in the ASME codes.
- An introduction to the fundamentals and design requirements
This document provides an overview and introduction to ASME Section VIII Division 1, which establishes rules for the construction of pressure vessels. It discusses the historical context that led to the development of pressure vessel codes, an overview of ASME's codes and standards, key definitions, and the design requirements and considerations specified in Section VIII Division 1. The document covers topics such as material selection, corrosion allowances, minimum thickness requirements, design pressure, and loadings that must be considered in pressure vessel design.
This document outlines requirements for welding procedure and procedure qualification records according to ASME Section IX. It discusses test positions, mechanical tests like tension tests and bend tests, and requirements for welding procedure specifications and procedure qualification records including essential variables that must be documented.
The document provides an overview of the ASME B31.3 Process Piping Code. It discusses the code's philosophy, organization, history, scope, fluid service categories, and application. Key points include that B31.3 applies to process piping systems in chemical, petroleum, and other plants. It covers piping for various fluids and has specific requirements for Category M and high pressure fluid services. The code is organized into chapters that address design, materials, components, fabrication, inspection, and other topics.
This document discusses ASME Section IX and welding procedure and performance qualification. It covers topics such as welding procedure specifications (WPS), procedure qualification records (PQR), essential and non-essential variables in WPS, grouping of base materials and filler metals, joint types, positions, preheat and post-weld heat treatment requirements. It also discusses welder performance qualification tests and variables that require requalification. Standard formats for WPS and PQR are presented.
This document outlines the 8 steps to produce a Procedure Qualification Record (PQR) according to the ASME Section IX code. The steps are: 1) identify essential variables for the welding process, 2) add remaining essential variables from construction codes, 3) fill out the PQR format, 4) choose a qualified welder, 5) record welding parameters, 6) perform visual and mechanical tests, 7) record test results on the PQR, and 8) sign and date the completed PQR.
This document summarizes NACE MR0175/ISO 15156, which provides requirements and recommendations for selecting and qualifying metallic materials for use in equipment exposed to hydrogen sulfide in the oil and gas industry. It addresses various corrosion mechanisms that can be caused by H2S. The standard outlines three approaches: selecting pre-qualified materials, qualifying materials based on documented field experience, or qualifying materials through laboratory testing. It refers to other parts of the standard for test methods for different material types.
The document summarizes ASME Section VIII Division 1 code requirements for material identification, repair of material defects, Charpy impact testing of production test coupons, weld joint categories, radiographic and ultrasonic examination, welding requirements, and acceptance standards for non-destructive examination. Key points include requirements for original material markings, testing procedures that vary based on joint category and position, examination types based on joint size and material thickness, welder identification, pre-welding surface preparation, and imperfection acceptance criteria.
The document discusses the rules for impact testing determination in the ASME Section VIII, Division 1 code. It provides an overview of impact testing principles and exemptions. Key points include:
- Impact testing determines a material's ability to resist brittle failure under stress. Characteristics like thickness, temperature, and material composition affect this.
- Code rules specify when impact testing is required or exempted based on these characteristics. Exemptions may be provided directly in code paragraphs or figures.
- Section UG-84 provides the procedures for performing charpy v-notch impact testing to evaluate ductility. Specimen size, location, and acceptance values must meet these rules.
The document discusses weld defect acceptance criteria according to different codes such as ASTM B31.1, ASME VIII, ASME B31.3, and AWS D1.1. It provides details on acceptance limits for various weld defects depending on the examination method, material thickness, loading conditions, and material application. Defects discussed include cracks, lack of fusion, incomplete penetration, undercuts, porosity, and reinforcement. Acceptance criteria include maximum defect sizes, numbers of defects allowed, cumulative lengths of defects, and distances between defects.
This document provides a summary of Module 7, which covers Weld Procedure Qualification according to ASME Section IX. It discusses the 5 step process for qualifying a welding procedure and the variables that must be addressed in the Procedure Qualification Record (PQR). These include joint design, base metal, filler metal, position, preheat, post-weld heat treatment, gas, and electrical characteristics. An example procedure qualification is provided for a manual GTAW and GMAW weld on 0.75-inch thick A36 steel in the flat position, with no preheat or PWHT, using ER80S-D2 wire for GTAW and ER70S-6 wire for GMAW
The document outlines the sections and subsections contained in the ASME Boiler and Pressure Vessel Code. It includes rules for construction of various types of boilers, pressure vessels, and containment systems. The sections cover materials specifications, welding requirements, nondestructive testing, in-service inspection, and rules for ongoing care and operation. The code also provides alternative rules for special construction applications.
This document summarizes ASME Section VIII Division 2 requirements for welding and non-destructive testing of welds. It outlines weld categories, fabrication requirements including repair of defects, welding identification markings, and acceptance standards for radiographic, penetrant, and ultrasonic testing of welds. Impact testing of welds is also addressed including testing of vessel test plates to qualify welding procedures for different weld categories.
This document provides an overview of ASME Boiler and Pressure Vessel Codes. It discusses the objectives and benefits of codes and standards, and describes the ASME Code system and some of its key sections. It focuses on introducing ASME Section VIII Division 1, covering the scope and exclusions of this section. Key topics covered include design requirements, material specifications, fabrication methods, weld joint categories, non-destructive examination methods, and hydrostatic and pneumatic testing requirements.
This document provides information on the essential variables and requirements for welder qualification according to ASME Section IX. It lists the key variables that must be specified for a welder qualification, including welding process, type, base metal, filler metal, and weld thickness limits. It also outlines the qualification requirements and limitations for weld position, diameter, progression, backing, and which filler and base metals a welder is qualified to use based on their test.
1) The document discusses how to read, understand, and use a Welding Procedure Specification (WPS). It provides definitions for key terms like WPS, PQR, essential variables, and non-essential variables.
2) A Procedure Qualification Record (PQR) must be made before a WPS. The PQR documents the variables used to weld a test coupon and the test results.
3) The example WPS provided is written according to ASME code for welding carbon steel designated as P-No. 8 material. It specifies the welding process, filler metal, and other key variables.
This document provides an overview of API 510 exam preparation materials covering service restrictions, joint efficiencies, and radiography requirements in ASME Section VIII. Some key points:
- Welded joints in vessels containing lethal substances must be fully radiographed and the vessel postweld heat treated if carbon/low alloy steel. Category A joints must be Type 1 (double welded) while Categories B-C can be Type 1 or 2.
- Joint categories define joint locations (e.g. longitudinal, circumferential). Type defines joint construction (e.g. double welded, single welded).
- Radiographs must show a minimum penetrameter image and identify unacceptable imperfections over certain size thresholds
This document outlines welding, fabrication, and inspection standards for Polaris Engineering. It covers the scope, references applicable codes and standards, welding procedures, processes, filler materials, joint preparation, preheat/interpass temperatures, postweld heat treatment, non-destructive testing, repairs, limitations, and requirements for reviewing vendor procedures. The standards apply to pressure equipment, piping, toxic/corrosive materials, and structural steel. Welding procedures must be submitted and accepted prior to starting any welding. Qualified welders and processes are required, and specific limitations are outlined for gas metal arc, flux core arc, and submerged arc welding processes.
This document discusses welding procedure qualifications according to ASME Section IX. It is divided into four parts covering general requirements, welding procedure qualifications, welding performance qualifications, and welding data. Key points include:
- Welding procedure specifications must describe all essential, nonessential, and supplementary essential variables. Procedure qualifications demonstrate a joining process can produce joints meeting mechanical property requirements.
- Performance qualifications demonstrate a person's ability to produce sound joints using a qualified procedure. Qualification can be done through mechanical testing or volumetric examination of test coupons.
- Variables that most affect mechanical properties include changes to base metal P-number, filler metal F-number, or metal transfer mode. Qualification limits a welder's use
This document provides the national standard of the People's Republic of China for pressure vessels - Part 4: Fabrication, inspection and testing, and acceptance. It replaces some sections of the 1998 standard and includes additional requirements. The document outlines the scope, references, terms, general provisions, material testing and segmentation requirements, fabrication processes, welding, heat treatment, testing, and acceptance criteria for pressure vessels. It aims to standardize the manufacturing, inspection, and acceptance of pressure vessels in China.
This document defines welding codes, standards, and welding procedures. It discusses that a standard is a collection of documents containing codes, specifications, recommended practices, classifications, and guidelines that have been prepared by an institution or organization and approved according to existing procedures. A code is a standard that contains conditions and requirements related to a particular subject and indicates that the procedures used comply with the requirements. A specification is a standard that contains detailed and accurate technical requirements for materials, products, systems or services. It provides examples of welding codes from various organizations and discusses the essential variables and requirements for qualifying welding procedures according to ASME and EN standards.
This document defines welding codes, standards, and welding procedures. It discusses that a standard is a collection of documents containing codes, specifications, recommended practices, classifications, and guidelines that have been prepared by an institution or organization and approved according to existing procedures. A code is a standard that contains conditions and requirements related to a particular subject and indicates that the procedures used comply with the requirements. A specification is a standard that contains detailed and accurate technical requirements for materials, products, systems or services. It provides examples of welding codes from various organizations and discusses the essential variables and requirements for qualifying welding procedures according to ASME and EN standards.
The document discusses a seminar presentation on inspection of pressure vessels according to ASME Section VIII Division 1. The presentation outline covers what is authorized inspection, an overview of ASME codes, code stamps, inspection responsibilities of manufacturers and authorized inspectors, the scope and organization of ASME Section VIII, and inspection requirements of Section VIII Division 1. It provides background information on ASME, the hierarchy of standards, history of ASME codes, the ASME code approval process for manufacturers, ASME and National Board stamps, and the organization and key requirements of Section VIII Division 1 for inspections.
INSPECTION OF PRESSURE VESSELS TO ASME Section VIII Div. 1.pdfTeddy Setiady
The document discusses a seminar presentation on inspection of pressure vessels according to ASME Section VIII Division 1. The presentation outline covers what is authorized inspection, an overview of ASME codes, code stamps, inspection responsibilities of manufacturers and authorized inspectors, the scope and organization of ASME Section VIII, and inspection requirements of Section VIII Division 1.
Inspection of Pressure Vessels as per ASME Sec VIII Division -1Gaurav Singh Rajput
The document discusses a seminar presentation on inspection of pressure vessels according to ASME Section VIII Division 1. The presentation outline covers what is authorized inspection, an overview of ASME codes, code stamps, inspection responsibilities of manufacturers and authorized inspectors, the scope and organization of ASME Section VIII, and inspection requirements of Section VIII Division 1. It provides background information on ASME, outlines the hierarchy of standards including various ASME code sections, and describes the organization and key requirements of Section VIII Division 1 for pressure vessel inspection.
This document summarizes the key changes to the 2017 edition of the ASME Boiler and Pressure Vessel Code Section IX, which establishes requirements for welding and brazing qualifications. Some of the major changes include:
- Adding a new low-power-density laser beam welding process and updating various welding procedure and qualification requirements.
- Revising rules for temper bead welding and thickness qualifications.
- Updating examination requirements to allow ultrasonic testing of thinner welder qualification test coupons.
- Clarifying rules for tack welding qualifications and branch connection diameter limits.
- Revising postbraze heat treatment variable requirements for brazing qualifications.
This document provides an introduction and overview of Section IX of the ASME Boiler and Pressure Vessel Code, which establishes criteria for welding and brazing qualifications and procedures. It discusses the purpose and organization of Section IX, including that it contains requirements for qualifying welding and brazing procedures and personnel. Section IX is organized into two main parts for welding and brazing that each contain articles on general requirements, procedure qualifications, performance qualifications, and data. The document provides high-level descriptions of the contents of each article.
Saes w-011-welding on plot ( process ) pipingabhi10apr
This document outlines welding requirements for on-plot piping at Saudi Aramco. It specifies approved welding processes, welding consumables, welding procedures, welder qualification requirements, joint details, corrosion resistant materials, technique and workmanship standards, preheat and post weld heat treatment needs, production weld hardness testing, inspection access, weld identification, inspection requirements, and repair standards. The document provides detailed requirements to ensure welding is completed according to applicable codes and standards for safety and quality.
This document provides the Saudi Aramco Plumbing Code which adopts the Uniform Plumbing Code (UPC) 2009 edition with some modifications. It summarizes the modifications made to various chapters of the UPC including Administration, Definitions, General Regulations, Plumbing Fixtures, Water Supply and Distribution, Sanitary Drainage, Indirect Wastes, Vents, Traps and Interceptors and Fuel Piping. The document also lists relevant Saudi Aramco engineering standards, materials specifications, and industry codes that are referenced. Detailed modifications are provided for Chapter 1 (Administration) which include exceptions and additions related to plan approval, definitions, organization and enforcement, testing of plumbing systems, and notices of correction
The document discusses welding procedure specifications (WPS) and procedure qualification records (PQR). It describes that a WPS specifies how welding is to be performed to ensure repeatability, while a PQR documents that a welding procedure meets standards through testing. It provides details on the components of a WPS, including specifying the ASME code, using gas tungsten arc welding with argon gas and a thoriated tungsten electrode, and an ER70S-G filler metal. The document emphasizes that a WPS must be supported by a qualified PQR.
The document compares the ASME Boiler and Pressure Vessel Code and PED (Pressure Equipment Directive) standards regarding their application to pressure equipment. It notes that equipment critical to nuclear safety is excluded from the PED and should be designed to codes like the ASME Section III or RCC-M. There are fundamental differences between the PED and ASME Code in terms of allowable stresses, material requirements, approval of welding procedures and personnel, and more. The PED requirements must be followed for equipment used in the European Union.
The document compares the ASME Boiler and Pressure Vessel Code and PED (Pressure Equipment Directive) standards regarding their application to pressure equipment. It notes that equipment critical to nuclear safety is excluded from the PED and should be designed to codes like the ASME Section III or RCC-M. There are fundamental differences between the PED and ASME Code in terms of allowable stresses, material requirements, approval of welding procedures and personnel, and manufacturing/quality requirements. The PED is European Union law while the ASME Code is a construction standard accepted in the US and other countries.
The document provides an overview of ASME codes and standards. It discusses that ASME was founded in 1880 and sets internationally recognized industrial codes and standards. It also describes that standards are voluntary guidelines while codes become enforceable law when adopted by governments. Finally, it summarizes some of the major ASME codes for boilers, pressure vessels, nuclear components, and piping systems.
This document provides a guide for preparing WPQRs (Procedure Qualification Records) according to ASME Section IX. It discusses:
1. The definition and contents of WPQRs, including recording the variables used during welding test coupons and certifying the accuracy of the information.
2. Guidelines for changes to WPQRs and the availability of WPQRs for review.
3. The specification of essential variables that must be documented in WPQRs for electron beam welding, including duplicating joint geometry and documenting variables listed in Table QW-260.
4. The application of mechanical testing requirements to electron beam welding WPQRs.
Resume of QA QC-Welding Engineer with 5+ years of expVijay Raghavan
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ASME SEC IX PPT.pdf
1. ASME Sec. IX (Ed.2019)
LatestEdition
Prepared By:
Yousaf Khan
Sr. Officer (Inspection)
2. ASME
American Society of Mechanical Engineers
ASME was founded (in New York) in 1880 in response to numerous
steam boiler pressure vessel failures.
First performance test code of Steam Boilers trail was conduct in 1884.
First revision of an ASME standard was made in 1900 .
ASME has over 140,000 members in 158 countries worldwide .
It produces approximately 600 codes and standards covering many
technical areas.
2
4. ASME Section I – Power Boilers
ASME Section II Part A
ASME Section II Part B – Materials
ASME Section II Part C
ASME Section II Part D
ASME Section III – Nuclear Codes
ASME Section IV – Heating Boilers
ASME Section V – NDE
ASME Section VIII Div. 1
ASME Section VIII Div. 2 – Pressure Vessel
ASME Section VIII Div. 3
ASME Section IX – Welding & Brazing
ASME B31.3 – Process Piping
ASME B31.1 – Power Piping
ASME BPVC Codes
4
5. ASME BPVC Timeline
1911 – ASME set up the B&PV Committee – to formulate std
rules for construction of boilers and pressure vessel
1915 – First Code issued – ASME 1 – Power Boilers
1923 – Heating Boilers – Section IV
1924 – Materials – Section II
1925 – PressureVessel – Section VIII Div. 1
1941 – Welding & Brazing – Section IX (Latest Ed.2019)
1963 – Nuclear Codes – Section III
1968 – PressureVessel – Section VIII Div. 2
1971 – NDE – Section V
1997 – PressureVessel – Section VIII Div. 3
5
9. QG - General Requirements
QG-100 (a): Scope
This Section contains requirements for the Welders and
Welding Operators Qualification, Brazers and Brazing
Operators, Plastic Fusing Operators, and the Material
Joining Processes they use during welding, brazing, and
fusing operations for the construction of components.
ASME Boiler and Pressure Vessel and piping codes and
other codes, standards, and specifications that reference this
Section.
9
10. QG - General Requirements
QG-100 (b): Whenever there will be a conflict between
referencing Code, standard, or specification and this section
(IX) the requirements of the referencing Code, standard, or
specification shall take precedence over the requirements of
this section.
QG-100 (c): Whenever the word “pipe” is used, “tube” shall
also be applicable.
QG-100 (d): New editions to Section IX becomes mandatory
6months after the date of issuance.
QG-100 (e): Code Cases are permissible and may be used,
beginning with the date of approval by ASME.
(See details in code)
10
11. QG - General Requirements
QG-101: Procedure Specification (WPS)
A procedure specification is a written document providing
direction to the person applying the material joining process.
As a minimum, WPS shall document essential, Non
essential variables applied during production of the test joint,
and the results of the required tests.
(Also Supplementary essential Variables when applicable)
Organization shall be responsible for this specification.
One WPS may be supported by one or more PQR(s).
11
12. QG - General Requirements
QG-102: Procedure Qualification Record (PQR)
Demonstrate that joining process proposed for construction
is capable of producing joints having the required mechanical
properties for the intended application.
As a minimum, PQR shall document essential variables
applied during production of the test joint, and the results of
the required tests.
(Also Supplementary essential Variables when applicable)
One PQR may be used to support one or more WPS(s).
12
13. QG-103: Performance Qualification (WQT)
Demonstration that person’s ability to produce a sound joint
when using a procedure specification.
QG-104: Performance Qualification Record
As a minimum, the record shall document
a) Essential variables
b) Ranges of variables qualified
c) Results of required testing and NDE
d) Identification of the procedure specification(s) followed
during the test
13
QG - General Requirements
14. QG-106: Organizational Responsibility
QG-106.3: Simultaneous Performance Qualifications
Organizations may participate in an association to collectively
qualify the performance of one or more persons for material-
joining processes simultaneously and may share performance
qualification information with other participating organizations
within the association.
14
QG - General Requirements
15. QG-107: Ownership Transfers
Multiple organizations under a common ownership may
use PQRs, WPS, and performance qualification records under
that owner’s name.
New owner(s) may acquire these documents without
requalification. Following shall be meet:
a) Takes responsibility
b) WPS identify name of new owner
c) QC system & QA program documents original source
15
QG - General Requirements
16. QG-108: Qualifications Made To Previous Editions
Qualification that were made in accordance with Editions
and Addenda as far back as 1962 Edition may be used in any
construction for which current Edition has been specified.
(All requirements of shall meet)
Qualification records meeting the above requirements do
not require amendment to include any variables required by
later Editions and Addenda, except as specified in QW-420.
(Revised P or G number in latest Ed.)
16
QG - General Requirements
17. QG-109: Definitions
Back Gouging:
Removal of weld metal and base metal from the weld root
side of a welded joint to facilitate complete fusion and comp-
lete joint penetration upon subsequent welding from that side.
17
QG - General Requirements
18. Backing:
A material placed at the root of a weld joint for the purpose of
supporting molten weld metal so as to facilitate complete joint
penetration. The material may or may not fuse into the joint.
(Argon, Helium, Nitrogen)
18
QG - General Requirements
API 582_7.3: Back purging is required for the GTAW and
GMAW processes for welding materials having a nominal
chromium content greater than 2-1/4 % unless the joint is
ground or back gouged to sound metal.
19. Buttering:
Addition of material, by welding, on one or both faces of a
joint, prior to the preparation of the joint for final welding, for
the purpose of providing a suitable transition weld deposit for
the subsequent completion of the joint.
19
QG - General Requirements
20. P Number: (Essential Variable)
Assigned to the materials based their similarity and
characteristic such as chemical compositions, weldability and
mechanical property.
(See QW-420, Table QW-422)
20
QG - General Requirements
21. Group Number:
Divide a P number to several group numbers for the purpose of
welding procedure qualification when impact testing is a
requirementby the construction code.(ASME VIII UCS-66, UG-84)
(See QW-420 for base metal grouping, Table QW-422)
S Number:
These are the listing of those materials which have been included
by ASME B31 code or by selected ASME boiler and pressure
vessel code cases but are not included in ASME boiler and
pressurevessel code material specifications (ASME Sec. II).
Purpose is the same as of P-numbers.
21
QG - General Requirements
22. F number: (Essential Variable)
This grouping is made to reduce the number of welding
procedure and performance qualifications.
(See Table QW-432 for F nos. and QW-433 for F nos. Qualification)
Base Metal P - No. Electrode SFA F - No.
A106-Gr.B P1 E7018 A5.1 4
A312- TP316 P8 E309 A5.9 6
QW-433
22
QG - General Requirements
24. Filler Metal Selection (7.6_API 577 Ed.2013)
Inspectors should verify the filler metal selection is appropriate
for the base metal being welded.
Some considerations in selection include:
a) Chemical composition of filler metal
b) Tensile strength of filler metal and base metal
c) Dilution of alloying elements from base metal
d) Hardenability of filler metal
e) Susceptibility to hot cracking
f) Corrosion resistance of filler metal
24
QG - General Requirements
25. A Number: (Essential Variable)
P is groupings of base metals with similar weldability. F
numbers are groupings of filler metals, and A numbers are
weld deposit.
25
QG - General Requirements
28. Article I: Welding General Requirmnets
QW-100: Scope
QW-110: WeldingOrienation
QW-120: Tests Position for Groove Welding
QW-130: Tests Position for Fillet Welding
QW-140: Types and purpose of Test and Examinations
QW-150: Tension Tests
QW-160: Guided Bend Tests
QW-170: ToughnessTest
QW-180: Fillet Weld Tests
QW-190: Other Tests and Examnations
QW-193: Tube to Tube sheet Tests
QW-194: Visual Inspection
QW-195: Liquid Penetration
QW - Welding
28
30. QW-300: General
QW-310: Qualfication Test Coupons
QW-320: Retests and Renewal of Qualification
QW-350: Welding Veriables for Welders
QW-360: Welding Veriables for Welding Operators
QW-380: Special Process
30
Article III: Welding Performance Qualificaiton
QW - Welding
31. QW-400: Variables
QW-410: Technique
QW-420: Base Metal Groupings
QW-430: F-Number
QW-440: Weld Metal Chemical Compositions
QW-450: Specimens
QW-460: Graphics
QW-470: Etching – Processes and Reagents
Article IV: Welding Data
31
QW - Welding
34. Article I: Welding General Requirmnets
QW-100: Scope
QW-110: WeldingOrienation
QW-120: Tests Position for Groove Welding
QW-130: Tests Position for Fillet Welding
QW-140: Types and purpose of Test and Examinations
QW-150: Tension Tests
QW-160: Guided Bend Tests
QW-170: ToughnessTest
QW-180: Fillet Weld Tests
QW-190: Other Tests and Examnations
QW-193: Tube to Tube sheet Tests
QW-194: Visual Inspection
QW-195: Liquid Penetration
QW - Welding
34
35. QW-100: Scope
This article apply to the preparation of Welding Procedure
Specifications (WPS) and the qualification of welding
procedures, welders, and welding operators for all types of
manual and machine welding processes permitted in this Part.
QW - Welding (Article I)
35
38. QW-120: Tests Position for Groove Welding
Angular deviation of ±15 deg from the specified horizontal and
vertical planes, and an angular deviation of ±5 deg from the
specified inclined plane are permitted during welding.
38
QW - Welding (Article I)
39. QW-140: Types and purpose of Test and Examinations
Mechanical
Test
Non Destructive
Examination
Groove Weld Fillet Welds Groove/Fillet Welds
Tension Test
(QW-150)
Fracture Test
(QW-182)
Radiography Test
(QW-191.1)
Guide Bend Test
(Longitudinal and
Transverse)
(QW-160)
Macro
Examination
(QW-183)
Ultrasonic Test
(QW-191.2)
Toughness Test
(QW-170)
(Impact Test)
-
Liquid Penetration
(QW-195)
39
QW - Welding (Article I)
40. To determine the ultimate tensile strength on the weld
section.
QW-151.1(a)/QW-151.2(a): For thicknesses up to and
including 1 in. (25 mm), a full thickness specimen shall be
used.
QW-151.1(b)/QW-151.2(b): For thickness greater than 1 in.
(25 mm), full thickness specimens or multiple specimens may
be used.
QW-151.4 : Full section specimens for pipe may be used for
testing pipe with an outside diameter of 3 in. (75 mm) or less.
QW-150: Tension Test (Nos. of required test given in Table QW-451)
40
QW - Welding (Article I)
41. QW-451: Required Number of Tensile Tests
From TableQW-451.1 (For ProcedureQualification)
Thicknessof Test Coupon,Welded (mm) Required Number ofTension Test
Less than 1.5 02
1.5 to 10 incl. 02
10 but less than 19 02
19 to less than 38 02
38 to 150 , incl. 02
Over 6 (150) 02
Note :
See QW-151.1, QW-151.2, and QW-151.3 for details on multiple specimens when
coupon thicknesses are over 1 in. (25 mm) .
QW-150: Tension Test
41
QW - Welding (Article I)
43. QW-153 : Acceptance Criteria of Tension Test
QW153.1(a): Minimum specified tensile strength of the base
metal. (See ASME II-A or Table QW-422)
QW153.1(b): Weaker of the two base metals.
(if base metals of different minimum tensile strengths are used)
QW153.1(d): Strength is not more than 5% below the minimum
specified tensile strength of the base metal.
No need for retest if specimen breaks in the base metal
outside of the weld or weld interface.
43
QW - Welding (Article I)
44. QW-160: Guided Bend Test
To determine the ductility of weld metal at the face and root
of a welded joint.
Test shall be prepared by cutting the test plate or pipe to
form specimens of approximately rectangular cross section
The specimen thickness and Bend Radius are shown in
Figures QW-466.1, QW-466.2, and QW-466.3.
Bend Test
Transverse Longitudinal
44
QW - Welding (Article I)
45. QW-160: Guided Bend Test
Transverse / Longitudinal Test
Side Bend Face Bend Root Bend
45
QW - Welding (Article I)
46. QW-160: Guided Bend Test
QW-161.1: Transverse Side Bend
One side of the weld surfaces becomes convex.
(Specimens of base metal thickness equal to or greater
than 38mm may be cut into approximately equal strips
between 19 mm and 38 mm wide for testing).
(See Figure QW-462.2 for specimen)
QW-161.2: Transverse Face Bend
Weld Face becomes convex
(See Figure QW-462.3(a) for specimen)
QW-161.3: Transverse Root Bend
Weld Root becomes convex
(See Figure QW-462.3(a) for specimen) 46
QW - Welding (Article I)
48. QW-161.5: Longitudinal bend tests may be used in lieu of the
transverse. When differ markedly in Bending properties between
a) Two base metals, or
b) Weld metal and the base metal
QW-162.1: Precaution During Bend Test
The specimen shall be forced into the die by applying load on the
plunger until the curvature of the specimen is such that a 3 mm
diameter wire cannot be inserted between the specimen and the die.
When specimens wider than 38mm are to be bent as permitted in
FigureQW 462.2, Test jig mandrel must be at least 6mm wider than
the specimen width.
The weld and heat‐affectedzone of a transverse weld bend
specimen shall be completely within the bent portion of the specimen
after testing.
QW-160: Guided Bend Test
48
QW - Welding (Article I)
49. QW-163: Acceptance Criteria Bend Tests
Specimens shall have no open discontinuity in the weld or
heat‐affected zone exceeding 3mm.
Measured in any direction on the convex surface of the
specimen after bending.
Open discontinuities occurring on the corners of the
specimen during testing shall not be considered unless there
is definite evidence that they result from lack of fusion, slag
inclusions, or other internal discontinuities
QW-160: Guided Bend Test
49
QW - Welding (Article I)
50. QW-190: Other Tests and Examnations (RT, UT)
VolumetricExamination
Radiography Ultrasonic
QW-142:
Radiographic or Ultrasonic examination per QW-191 may be
substituted for mechanical testing of QW-141 for groove‐weld
performancequalification.
Except welding process GMAW_ Short circuiting mode for
radiographicexamination. (See: QW-304)
50
QW - Welding (Article I)
51. QW-191.1: Radiographic Examination
Shall meet the requirements of ASME V, Article 2, except as
follows:
a) A written radiographic examination procedure is not required.
b) Final acceptance of radiographs shall be based on the ability
to see the prescribed image and the specified hole of a
hole‐type image quality indicator (IQI) or the designated wire of
a wire‐type IQI.
QW-190: Other Tests and Examnations (RT, UT)
51
QW - Welding (Article I)
52. QW-191.1.2 : Radiography Acceptance Criteria
1- QW191.1.2.1 (a): Linear Indication
(In which the length is more than three times the width)
a) Cracks
b) Incomplete fusion
c) Inadequate penetration
d) Slag
QW-191.1.2.2 (a): Qualification Test Welds
1) Incomplete fusion or Penetration are unacceptable.
2) Elongated slag inclusion which has a length greater than
(2-a) 3 mm for t up to 10 mm, inclusive
(2-b) 1/3 t for t over 10 mm to 57 mm, inclusive
(2-c) 19 mm for t over 57 mm
3) For Slag Inclusion see QW-191.1.2.2 (a)(3)
t : is the thickness of the weld excluding any
allowable reinforcement.
52
QW - Welding (Article I)
53. 2- QW191.1.2.1(b): Rounded Indication
(In which the length is three times the width or less)
a) Circular
b) Elliptical
c) Irregular in shape; may have tails; and may vary in density
QW-191.1.2.2(b): Qualification Test Welds
1) Indication 20% of t or 3 mm whichever is smaller
2) T < 3mm, 12 indications acceptable in 150mm length
3) T > 3mm Indication < 0.8 mm in diameter shall not be
considered
See Figure QW-191.1.2.2(b)(4) RoundedIndication Charts.
53
QW - Welding (Article I)
QW-191.1.2 : Radiography Acceptance Criteria
54. QW-191.2.1: Ultrasonic Examination
Shall meet the requirements of Section V, Article 4.
In use when test welds in material 6 mm thick or greater .
[See QW-191.2.1 (a)]
QW-191.2.3: Acceptance Criteria for Qualification
1) Cracks, lack of fusion, incomplete penetration are unacceptable
2) Indications exceeding 3 mm in length are considered relevant,
and are unacceptable when their lengths exceed
(2-a) 3 mm for t up to 10 mm, inclusive
(2-b) 1/3 t for t over 10 mm to 57 mm, inclusive
(2-c) 19 mm for t over 57 mm
QW-190: Other Tests and Examnations (RT, UT)
54
QW - Welding (Article I)
55. QW-194: Visual Examination Performance
Performancetest coupons shall show No Cracks and
CompleteJoint Penetration with CompleteFusion Of Weld
Metal and base metal.
ASME Section V, Article 9
Personnelare required to demonstrate
annuallycompletion of a J-1 Jaeger-
type eye vision test.
55
QW - Welding (Article I)
56. QW-195: Liquid Penetrant Examination
QW-195.2.1: Terminology
Relevant Indications: Indications with major dimensions
greater than 1.5 mm.
Linear Indications: An indication having a length greater
than three times the width.
Rounded Indications: An indication of circular or elliptical
shape with the length equal to or less than three times the
width.
56
QW - Welding (Article I)
57. QW-195 : Liquid Penetrant Examination
QW-195.2.2: Acceptance Criteria for Qualification
Procedure and performance tests examined shall be judged
unacceptable when:
a) Relevant linear indications.
b) Relevant rounded indications greater than 3/16 in.(5 mm).
c) Four or more relevant rounded indications in a line
separated by 1/16 in. (1.5 mm) or less (edge‐to‐edge).
57
QW - Welding (Article I)
60. QW-200: General (WPS)
QW-200.1: Each organization shall prepare written Welding
ProcedureSpecifications (WPS). (QG107: It maybe transferred to another owner)
QW-200.1(a): A WPS is a written qualified welding procedure
preparedto provide direction to Welder/Welding Operator for making
production welds to Code requirements
QW-200.1(b): Variable for each process is listed in QW-250 and
defined in Article IV.
QW-200.1(c): Non Essential variable may change with out re-
qualification but changes in Essential and Supplementary Essential
variable will required re-qualification.
QW-200.1(d): See form no. QW-482 for WPS format.
Guide for this format is given in Non-mandatoryAppendixB.
QW - Welding (Article II) WPS Qualification
60
61. QW-200: General (WPS)
QW-200.2: Each organization shall prepare written Procedure
Qualification Record (PQR).
QW-200.2(a): A PQR is a record of variable during the welding
of test coupon.
QW-200.2(b):
The PQR shall be certified accurate by the organization.
The organization may not subcontract the certification function.
This certification is intended to be the organization's verification
that the information (Variables, Tensile, Bend etc) in the PQR is a
true.
QW - Welding (Article II) WPS Qualification
61
62. QW-200: General (PQR)
QW-200.2(c): Changes to the PQR are not permitted except
as:
Editorial Corrections or Addenda to the PQR are permitted.
An example of an Editorial correction is an incorrect P‐Number,
F‐Number,or A‐Number that was assigned to a particular base
metal or filler metal.
An example of an Addendum would be a change resulting from
a Code change.
For example, Section IX may assign a new F‐Number to a filler
metal or adopt a new filler metal under an established F‐Number
All changes to a PQR require recertification (including date) by
the organization.
QW-200.2(d): See form no. QW-483 for PQR format.
Guide for this format is given in Non-mandatoryAppendixB.
QW - Welding (Article II) WPS Qualification
62
63. QW-200: General (PQR)
QW-200.2(e): Availability of the PQR
PQRs used to support WPSs shall be available, upon
request, for review by the Authorized Inspector (AI).
The PQR need not be available to the welder or welding
operator.
QW-200.2(f): Multiple WPSs with One PQR or Multiple PQRs
with one WPS several WPSs may be prepared.
Example:
A single WPS may cover a thickness range from 1.5 mm
through 32 mm if PQRs exist for both the 1 .5 mm through 5
mm and 5 mm through 32 mm thickness ranges.
QW - Welding (Article II) WPS Qualification
63
64. QW-200: General
QW-200.3: (P No./Group No.)
To reduce the number of welding procedure qualifications
required,P‐Numbers are assigned to base metals dependent on
characteristics (See Table QW-422).
Group Numbers are assigned additionally to P‐Numbers.
These Group Numbers classify where toughness requirementsare
specified (See Table QW-422).
QW-200.4: Combination of Welding Procedures:
More than one WPS may be used to weld single weld joint.
QW-451 shall be used to determine the range of Base Metal
Thickness and Maximum Weld Metal Thickness qualified for each
process, filler metal, or set of variables, and those limits shall be
observed.
QW - Welding (Article II) WPS Qualification
64
65. QW-202: Type Of Tests Required (PQR)
QW - Welding (Article II) WPS Qualification
QW-202.1: Mechanical Tests
The type and number of test specimens that shall be tested
to qualify a groove weld procedure are given in QW-451.
Test sample shall be removed in a manner similar to that
shown in Figures QW-463.1(a) through QW-463.1(f).
65
66. QW-202: Type Of Tests Required (PQR)
QW - Welding (Article II) WPS Qualification
66
67. QW-210: Preparation Of Test Coupon (PQR)
QW-211: Base Metal
base metals may consist of either plate, pipe, or other
product forms.
Qualification in plate also qualifies for pipe welding and
vice versa.
dimensions of test coupon shall be sufficient to provide the
required test specimens. (6” Length).
QW - Welding (Article II) WPS Qualification
67
68. QW-251.1: Variables for each welding process are listed in Tables
QW-252 through QW-267.
These variables are subdivided into Essential, Non-Essential
and Supplementary Essential Variables.
Essential Variable
QW-251.2
Non-Essential Variable
QW-251.3
Supplementary Essential Variable
QW-401.1
Considered to affect the
mechanical properties
of the weldment, and shall
require requalification of
the WPS
(e.g.: Base Metal)
May be made in the WPS
without requalification.
(e.g. : Electrode Dia if
Ø >6mm_SMAW )
Addition to the essential variables for
each welding process.
(e.g.: Toughness Test)
QW-250: Welding Variables
QW - Welding (Article II) WPS Qualification
68
71. Paragraph Brief of Variables Essential
Supplementary
Essential Nonessential
QW-402
Joints
.1 Ø Groove Design X
.4 - Backing X
.10 φ Root Spacing X
.11 ± Retainers X
QW-402.1: A change in the type of groove (Vee groove, U‐groove, single‐bevel,
double‐bevel, etc.).
QW-402.4: The deletion of the backing in single welded groove welds.
Double‐welded groove welds are considered welding with backing.
QW-402.10: A change in the specified root spacing.
QW-402.11: The addition or deletion of nonmetallic retainers or non fusing
metal retainers
Deletion of Backing for
welder is essential (QW-353 )
A
QW-250: Welding Variables (A- Joints)
QW - Welding (Article II) WPS Qualification
71
72. B
Paragraph Brief of Variables Essential
Supplementary
Essential Nonessential
QW-403
Base
Materials
.5 φ Group No. X
.6 T limits Toughness
X
.8 φ T Qualified X
.9 t Pass > 1/2 in. (13 mm)
X
.11 φ P-No. Qualified X
Group number in welding assigned additionally to the P number materials.
Divides P number for the purpose of welding procedure qualification when impact testing is
a requirement by the construction code (ASME VIII e.t.c)
QW-403.5: (φ Group No.)
72
73. QW-403.6: (T limits Toughness)SupplementaryEssential
When Impact test required, Minimum base metal qualified thickness
will be:
Thickness of test coupon (T) or 16.0 mm (Whichever is less)
If thickness of test coupon (T) is ≤ 6.0mm then
Minimum qualified thickness is. ½ T.
This variable does not apply when a WPS is qualified with a PWHT
above the upper transformation temperature or when an austenitic or
P-No.10H (SA240 S31803 Duplex) material is solution annealedafter
welding.
Lateral Expansion (ASME VIII Div 1 UHX-51) is to be checked when
toughness test performed on duplex material.
QW-250: Welding Variables (B- Base Metal)
QW - Welding (Article II) WPS Qualification
73
74. Change in base metal thickness beyond the range qualified in
QW-451 except as otherwise permitted by QW-202.4(b).
QW-202.4(b)(2):Iftest coupon thickness is ≥ 38.0mm, There will be
No limitation for maximum qualified thickness.
QW-403.8: (φ T Qualified) Essential
QW-250: Welding Variables (B- Base Metal)
QW - Welding (Article II) WPS Qualification
74
75. Welding strengths vary according to plate thickness and
distance from the weld root. The risk of brittle fracture
increases with thickness. Cracks susceptibility is more
likely to happen with high thickness and high resistance.
Those facts and others, shown by research, demonstrate
why base metal thickness is an essential variable.
QW-403.8: (φ T Qualified) Essential
QW-250: Welding Variables (B- Base Metal)
QW - Welding (Article II) WPS Qualification
75
76. QW-403.9: [t Pass > 1/2 in. (13 mm)] Essential
If any weld pass is greater than 13 mm thick.
Maximum qualified thickness will be 1.1 times of test coupon.
Normally in SMAW, GTAW, GMAW, FCAW and SAW you don’t
exceed 13mm weld pass thickness.
It is more common for Electrogas and Electroslag welding.
QW-250: Welding Variables (B- Base Metal)
QW - Welding (Article II) WPS Qualification
If weld pass > ½ inch thick will have
sufficient heat input to anneal the HAZ, thus
reducing the tensile strength of the weldment,
or increase the time the HAZ is exposed to
temperatures > 1037⁰C, thus reducing the
ductility of the weldment.
76
77. QW-403.11: (φ P-No. Qualified) Essential
Base metals shall be qualified using base metals in
accordance with Table QW-424.
The P number in welding assigned to the material by ASME Code
Section IX to reduces the number of welding procedurequalification.
ASME Sec II-A ASME Sec IX
A/SA335 P9 P5B
A/SA335 P11 P4
A/SA335 P22 P5A
A/SA335 P91 P15E
P numbers of SA335ASME II-A and ASME IX are different.
QW-250: Welding Variables (B- Base Metal)
QW - Welding (Article II) WPS Qualification
77
78. Base Metal(s)Used for Procedure Qualification on Coupon Base Metals Qualified
One metal from a P‐Number to any metal from the same P‐Number Any metals assigned thatP‐Number
One metal from a P‐Number to any metal from any other P‐Number
Any metal assigned the first P‐Number to any metal assigned the second
P‐Number
One metal from P‐No. 15E to any metal from P‐No. 15E Any P‐No. 15E or 5B metal to any metal assigned P‐No. 15E or 5B
One metal from P‐No. 15E to any metal from any other P‐Number Any P‐No. 15E or 5B metal to any metal assigned the second P‐Number
One metal from P‐No. 3 to any metal from P‐No. 3 Any P‐No. 3 metal to any metal assigned P‐No. 3 or 1
One metal from P‐No. 4 to any metal from P‐No. 4 Any P‐No. 4 metal to any metal assigned P‐No. 4, 3, or 1
One metal from P‐No. 5A to any metal from P‐No. 5A Any P‐No. 5A metal to any metal assigned P‐No. 5A, 4, 3, or 1
One metal from P‐No. 5A to a metal from P‐No. 4, or P‐No. 3, Any P‐No. 5A metal to any metal assigned to P‐No. 4, 3, or 1
or P‐No. 1
One metal from P‐No. 4 to a metal from P‐No. 3 or P‐No. 1 Any P‐No. 4 metal to any metal assigned to P‐No. 3 or 1
Any unassigned metal to the same unassigned metal The unassigned metal to itself
Any unassigned metal to any P‐Number metal The unassigned metal to any metal assigned to the same
P‐Number as the qualified metal
Any unassigned metal to any metal from P‐No. 15E The unassigned metal to any metal assigned P‐No. 15E or 5B
Any unassigned metal to any other unassigned metal The first unassigned metal to the second unassigned metal
TableQW-424
Base Metal(s) Used for Procedure Qualification on
Coupon Base Metals Qualified
78
79. Paragraph Brief of Variables Essential
Supplementary
Essential Nonessential
QW-404
Filler Metals
.4 ϕ F‐Number X
.5 ϕ A‐Number X
.6 ϕ Diameter X
.7 ϕ Diameter > 1/4 in. (6 mm) X
.12 ϕ Classification X
.30 ϕ t X
.33 ϕ Classification X
QW-250: Welding Variables (C- Filler Metal)
QW - Welding (Article II) WPS Qualification
C
QW-404.4: (φ F Number) Essential
Achange from one F‐Number in Table QW-432 to any other
F‐Number or to any other filler metal not listed in Table QW-432.
79
80. In ASME IX the procedure must be requalified if the F-number
changes. (The F-number is also an essential variable for
performance qualification. But it’s not as restrictive as the
welding-procedure specification. For welders using F-1 through
F-4 electrodes, the higher F-number electrode qualifies the
lower just like in AWS D1.1).
Usually F number is associated with an electrode specification.
QW-404.4: (φ F Number) Essential
QW-250: Welding Variables (C- Filler Metal)
QW - Welding (Article II) WPS Qualification
80
.
81. Changein the chemical composition of the weld deposit
from oneA‐Number to any other A‐Number in Table QW-442.
Qualification with A‐No. 1 shall qualify for A‐No. 2 and vice versa.
The weld metal chemical composition may be determined
by any of the following:
QW-404.5(a): For all welding processes chemical
analysis of the weld deposit taken from the procedure
qualification test coupon.
In lieu of an A‐Number designation, the nominal chemical
composition of the weld deposit shall be indicated on
the WPS and on the PQR.
QW-250: Welding Variables (C- Filler Metal)
QW - Welding (Article II) WPS Qualification
81
QW-404.5: (φ A Number) Essential
82. 82
QW-250: Welding Variables (C- Filler Metal)
QW - Welding (Article II) WPS Qualification
QW-404.5: (φ A Number) Essential
Qualification with A‐No. 1 shall
qualify for A‐No. 2 and vice versa
83. 83
QW-404.30: (φ t) Essential
QW-250: Welding Variables (C- Filler Metal)
QW - Welding (Article II) WPS Qualification
Achange in deposited weld metal thickness beyond that qualified in
accordancewith QW-451 for procedurequalification.
83
84. Paragraph Brief of Variables Essential
Supplementary
Essential Nonessential
QW-406
Preheat
.1 Decrease > 100ºF X
.2 φ Preheat Maintenance X
.3 Increase >100ºF X
QW-250: Welding Variables (E- Preheat)
QW - Welding (Article II) WPS Qualification
E
QW-406.1: [φ t Decrease > 50ºC)] Essential
Adecrease of more than 100°F (55°C) in the preheat temperature
qualified.
As we can see, a decrease in preheat temperature higher than
100°F is considered to change mechanical properties.
(It also happens with inter-pass temperature)
84
85. QW-250: Welding Variables (F- PWHT)
QW - Welding (Article II) WPS Qualification
Paragraph Brief of Variables Essential
Supplementary
Essential Nonessential
QW-407
PWHT
.1 φ PWHT X
.2 φ PWHT (T & T range) X
F
QW-407.1: (φ PWHT) Essential
When Required,A separate procedure qualification is required for each P
number. ASME B31.3
85
86. QW-250: Welding Variables (H- Technique)
QW - Welding (Article II) WPS Qualification
H
Paragraph Brief of Variables Essential
Supplementary
Essential Nonessential
QW-410
Technique
.1 ϕ String or weave X
.5 ϕ Method cleaning X
.6 ϕ Method back gouge X
.9 ϕ Multiple to single pass/side X X
.25 ϕ Manual or automatic X
.26 ± Peening X
.64 Use of thermal processes X
QW-410.64: (Use of Thermal Processes) Essential
Only Applicable in P‐No. 11A (SA 333 Gr.8 ) and P‐No. 11B (SA 517 Gr. F)
base metals weld grooves for thicknesses less than 16mm.
Manufacturer to prepare a WPS using those thermal processes.
(Also see Appendix P of ASME IX) 86
88. API 510_3.1.8: Any welding technique used to obtain controlled
grain refinement and tempering of the underlying heat-affected
zone in the base metal.
Various controlled-deposition techniques, such as
a) Temper Bead (tempering of the layer below the current bead being deposited)
b) Half Bead (requiring removal of one-half of the first layer), are included.
CDW (Alternateto PWHT) When Impact Test Required as per UG-84 & UCS66
Materials shall be limited to P-No. 1, P-No. 3, and P-No. 4 steels.
Welding shall be limited to the SMAW, GMAW, and GTAW
processes.
(See API 510_8.1.7.4.3 for detail)
Controlled DepositionWelding (CDW)
QW - Welding (Article II) WPS Qualification
88
90. QW-300: General
QW-310: Qualfication Test Coupons
QW-320: Retests and Renewal of Qualification
QW-350: Welding Veriables for Welders
QW-360: Welding Veriables for Welding Operators
QW-380: Special Process
90
Article III: Welding Performance Qualificaiton
QW - Welding
91. QW-300.1: This Article lists the welding processes separately, with
the essential variables that apply to welder and welding operator
performancequalifications.
Welder qualification is limited by the essential variables given for
each welding process.
A welder or welding operator may be qualified by volumetric NDE
of a test coupon or their initial production welding (With limitations of
QW-304 and QW-305 or by bend tests taken from a test coupon.)
For welder’s or welding operator’s qualification continuity it begins
from welding date of test piece was completed and required testing
was performed and the test results obtained were acceptable.
QW - Welding (Article III) (Welder/Welding Operator Qualification)
QW-300: General
91
92. QW-301.1: Intent of qualification tests is to determine ability of
welder to make sound weld.
QW-301.2: Welder or Welding operator who prepares the WPS
qualification test coupons meeting the requirements of QW-200 is
also qualified within the limits of the performancequalifications.
QW-301.3: Each qualified welder and welding operator
shall be assigned an identifying number, letter, or symbol by the
organization.
It shall be used to identify the work of that welder or welding
operator.
QW - Welding (Article III) (Welder/Welding Operator Qualification)
QW-300: General
92
93. QW-301.4 : The record of Welder or Welding Operator Performance
Qualification (WPQ) tests shall include following,
a) Essential variables [QW-350 (Welder)or QW-360(WeldingOperator)]
b) Type of test
c) Test results
d) Ranges qualified in accordance with QW-452 & Table QW-461.9
Sample Forms given in QW-484A/QW-484B (see No mandatory
AppendixB).
QW - Welding (Article III) (Welder/Welding Operator Qualification)
QW-300: General
93
95. See Table QW-452 .1(a) for type and required nos. of test
specimens for mechanical testing.
Groove weld test specimens shall be removed as per Figures
QW-463.2(a) through QW-463.2(g).
Mechanical tests shall meet the requirements prescribed in
QW-150 (Tension Test ) or QW-160 (Bend Test) as applicable.
QW - Welding (Article III) (Welder/Welding Operator Qualification)
QW-302.1: Mechanical Tests
95
97. When the welder or welding operator is qualified by volumetric
NDE. Following shall be meet,
Minimum length of coupon(s) to be examined shall be 6 in.
(150 mm). (1 Meter for Welding Operator)
Entire weld circumference for pipe(s). (Maximum Requirement)
(For 5G, 6G positions only)
For Small diameter pipe, multiple coupons of the same
diameter pipe may be required, but the number need not exceed
four consecutively made test coupons.
The examination technique and acceptance criteria shall be
in accordance with QW-191.
QW - Welding (Article III) (Welder/Welding Operator Qualification)
QW-302.2: Volumetric NDE (RT & UT)
97
98. Weld should show
complete penetration
and fusion
QW - Welding (Article III) (Welder/Welding Operator Qualification)
QW-302.4: Visual Examination
98
99. For test coupons made on pipe in position 6G specimens
shall be removed in accordance with Figure QW-463.2(d) or
Figure QW-463.2(e) and all four specimens shall pass the test.
QW - Welding (Article III) (Welder/Welding Operator Qualification)
QW-302.3: Test Coupons in Pipe
99
101. Welders may be qualified by volumetric NDE when making a groove
weld using SMAW, SAW, GTAW, PAW, and GMAW (except
short‐circuitingmode for radiographic examination) or a combination of
these processes.
Except for P‐No. 21 through P‐No. 26, P‐No. 51 through P‐No. 53, and
P‐No.61 through P‐No. 62 metals.
11.3 _API 577 (Ed. Dec.13)
Risk of LOF associated with GMAW-S means restrictions on
qualification of welders using radiography. (This process
normally use in low thickness)
Consequently,a higher standard of NDE inspection is required.
In pipeline welding, automated ultrasonic has been adopted to
overcome this problem.
QW - Welding (Article III) (Welder/Welding Operator Qualification)
QW-304 Welders
101
102. Welder qualified to weld in accordance with one qualified
WPS is also qualified to weld in accordance with other qualified
WPSs, using the same welding process, within the limits of the
essential variables.
QW-304.1: Examination
A minimum 6 in. (150 mm) length of the first production
weld(s) made by a welder using the process(es) may be
examined by volumetric NDE. (1 Meter for Welding Operator)
QW-304.1(a): For pipe(s) welded in the 5G, 6G, or special
positions, the entire production weld circumference made by the
welder shall be examined.
QW - Welding (Article III) (Welder/Welding Operator Qualification)
QW-304 Welders
102
103. QW-304.1(b): For small pipes, multiple production weld of same
diameter pipe may be examined, but the number need not exceed
four consecutively made test coupons.
QW-304.1(c): The examination technique and acceptance criteria for
production welds shall be in accordance with QW-191.
QW-304.2: Failure to Meet Examination Standards
If selected production weld for welder performance
does not meet the examination standards, the welder has failed the
test.
In this event, entire production weld made by this welder shall be
examined and repaired by a qualified welder or welding operator.
QW - Welding (Article III) (Welder/Welding Operator Qualification)
QW-304 Welders
103
104. Welders or welding operators using same or a different
welding process, may be qualified in combination in a single
test coupon.
Failure of any portion of a combination test in a single test
coupon constitutes failure of the entire combination.
QW - Welding (Article III) (Welder/Welding Operator Qualification)
QW-306: Combination Of Welding Processes
104
105. A single‐welded groove‐weld test coupon with backing or a
double‐welded groove‐weld test coupon shall be considered
welding with backing.
Partial penetration groove welds and fillet welds are
considered welding with backing.
QW - Welding (Article III) (Welder/Welding Operator Qualification)
QW-310: Qualification Test Coupons Dimensions
105
106. QW-321: Retests
QW-321.1: Immediate Retest Using Visual Examination
Two consecutive test coupons for each position which he
has failed, all of which shall pass the visual examination
requirements.
QW-321.2: Immediate Retest Using Mechanical Testing
Two consecutive test coupons for each position which he
has failed, all of which shall pass the test requirements.
QW - Welding (Article III) (Welder/Welding Operator Qualification)
QW-320: Retests & Renewal Of Qualification
106
107. QW-321.3: Immediate Retest Using Volumetric NDE
Retest shall be to examine two 6 in. (150 mm) plate
coupons.
For pipe, to examine two or more coupons of the same
diameter for a total of 12 in. (300 mm) of weld.
which shall include the entire weld circumference for pipe or
pipes (For small diameter pipe the total number of
consecutively made test coupons need not exceed eight).
QW - Welding (Article III) (Welder/Welding Operator Qualification)
QW-320: Retests & Renewal Of Qualification
107
108. QW-322.1(a): Qualification
Performancequalification remains valid,
No greater than 6 months have passed since the qualified welding
process last used.
QW-322.2(a): Renewal of Qualification
Renewal of qualification that has expired under the
rules of QW-322.1(a) may be achieved for any
a) Process by welding
b) Singletest coupon of either plate or pipe,
c) Material
d) Thickness or diameter
e) Position
as required by QW-301 and successfully completing the testing required
by QW-302.
QW - Welding (Article III) (Welder/Welding Operator Qualification)
QW-322: Expiration, Revocation & Renewal Of Qualification
108
109. QW-322.1(b): Revocation (Disqualification)
Specific reason to question the welder's or welding operator's
ability.
QW-322.2(b): Renewal of Qualification
Renewal of qualification that has expired under the
rules of QW-322.1(b)
Re-Qualification shall utilize a test coupon appropriate for the
revoked qualification(s).
QW - Welding (Article III) (Welder/Welding Operator Qualification)
QW-322: Expiration, Revocation & Renewal Of Qualification
109
111. A
B
C
D
QW - Welding (Article III) (Welder/Welding Operator Qualification)
QW-350: Welding Variables For Welders
111
112. QW-402.4 (Joints) [− Baking]: Deletion of backing is essential.
Welders were qualified with backing so they are only allowed to weld on
backing
QW-403.16 (Base Metal) [Ø Pipe Diameter ]: A change in the pipe
diameter qualified is essential
Welders were qualified on plate so they can only weld on plate
A
B
QW - Welding (Article III) (Welder/Welding Operator Qualification)
QW-350: Welding Variables For Welders
112
113. QW-403.18 (Base Metal) [Ø P number]: A change in the P-No.
material qualified is essential.
TableFrom QW-423
B
QW - Welding (Article III) (Welder/Welding Operator Qualification)
113
114. QW-404.15 (Filler Metal) [Ø F number] :
States a change in F-No. is essential.
TableFrom QW-433
also see table
QW-432 for F no.
C
114
115. QW-404.15 (Filler Metal) [Ø F number] :
C
115
The F-number is also an essential variable for performance
qualification. But it’s not as restrictive as the welding-procedure
specification. For welders using F-1 through F-4 electrodes, the
higher F-number electrode qualifies the lower just like in AWS
D1.1
116. QW-404.30 (Filler Metal) [Ø t weld deposit]:States a change
in the weld metal thickness qualified is essential.
C
QW - Welding (Article III) (Welder/Welding Operator Qualification)
QW-350: Welding VariablesFor Welders
116
117. QW-405.1 [+ Position]: States a change in the position
qualifiedis essential.(See QW-303)
D
QW - Welding (Article III) (Welder/Welding Operator Qualification)
117
118. QW-405.3 (Position) [Ø↑↓ vertical welding]: States a change
in the weld direction for vertical weld is essential.
(Uphill-Downhill)
Change from upward to downward, or from downward to
upward, in the progression specified for any pass of a vertical
weld.
(except that the cover or wash pass may be up or down)
The root pass may also be run either up or down when the
root pass is removed to sound weld metal in the preparation
for welding the second side.
D
QW - Welding (Article III) (Welder/Welding Operator Qualification)
QW-350: Welding VariablesFor Welders
118