EL516 - ASME BPV Code, Section IX: Welding, Brazing, & Fusing Qualifications has been added to your cart.

ASME BPV Code, Section IX: Welding, Brazing, & Fusing Qualifications

Learn the layout, scope, and use of Section IX of the ASME Boiler and Pressure Vessel Code, rules for qualification of welding and brazing procedures and personnel.

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  • May 01-Jun 05th, 2023



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This online, instructor-supported course explains the layout, scope, and use of Section IX of the ASME Boiler and Pressure Vessel Code using illustrative examples. It explains and demonstrates the rules for qualification of welding and brazing procedures and personnel.  The course also discusses basic rules for the use of Section IX in conjunction with other construction codes.  These rules include the identification of responsibilities for procedure and personnel qualification and which activities can be subcontracted by the manufacturer.

Basic characteristics of the welding processes will be presented as a basis for understanding the essential and nonessential variables that are listed for the qualification of procedures and personnel.  Some basic metallurgy will be presented to explain the philosophy supporting the essential variable rules of the Code.  Examples of welding procedure and personnel qualification documentation will then be presented showing how the essential and nonessential variables are to be identified and documented.  Finally, a brief discussion and demonstration will be conducted to show how supplementary essential variables can be addressed when impact toughness is required.

You Will Learn to:

  • Explain layout and scope of Section IX of the ASME Boiler & Pressure Vessel Code
  • Identify basic rules for finding requirements in Section IX
  • Describe practical, instructive welding procedures that are compliant with Section IX
  • Describe the qualification of procedures & personnel in Section I
  • Describe the basic features of the commonly used welding process
  • Explain the concept of carbon equivalent and hardenability of steels
  • Identify the nonessential variables and essential variables in the WPS
  • Explain how to prepare and modify the PQR and WPS from fundamental data
  • Identify supplementary essential variables

Who Should Attend
This course is intended for engineers, supervisors, quality assurance/control personnel, auditors, and other technical personnel working in the boiler, pressure vessel, petrochemical, biopharmaceutical, or other industry whose welding qualifications are governed by ASME BPV Code Section IX.

To take this course you should have a personal computer, Web browser, Internet connection, and software to display PDF files (such as Adobe Reader®).


Module 1:  Welding Process Basics – basic features of some more commonly used welding processes

  • Overview
  • Oxyfuel Welding (OFW)
  • Shielded Metal-Arc Welding (SMAW)
  • Gas Metal-Arc Welding (GMAW)
  • Flux Cored-Arc Welding (FCAW)
  • Gas Tungsten-Arc Welding (GTAW)
  • Submerged-Arc Welding (SAW)
  • Plasma-Arc Welding (PAW)
  • Other Welding Processes

Module 2:  Metallurgy & Welding Metallurgy – basic metallurgy concepts and how they apply to welding

  • Introduction
  • Overview
  • Basic Steel Metallurgy
  • Hardenability
  • Stainless Steels
  • Other Alloy Systems
  • Basics of Mechanical Testing
  • Basics of Welding Metallurgy

Module 3:  Code Basics – layout, scope & responsibilities

  • Background
  • Layout of Section IX
  • Part QW Article I Welding General Requirements  
  • Part QW Article II Welding Procedure Qualifications  
  • Part QW Article III Welding Performance Qualifications  
  • Part QW Article IV Welding Data  
  • Part QW Article V Standard Welding Procedure Specifications (SWPSs)  
  • Part QB Brazing

Module 4:  WPS Qualification Variables for SMAW – the basic WPS qualification variables in Table QW-253

  • Introduction
  • Variables
  • QW-402 Joints
  • QW-403 Base Metals
  • QW-404 Filler Metals
  • QW-405 Positions
  • QW-406 Preheat
  • QW-407 PWHT
  • QW-409 Electrical Characteristics
  • QW-410 Technique
  • Summary

Module 5:  Notch Toughness & Supplementary Essential Variables – notch toughness & modification of a WPS using supplementary essential variables

  • Notch-Toughness
  • Supplementary Essential Variables
  • Qualification of a WPS With Notch Toughness

Module 6:  Developing a WPS –information needed to generate a WPS that is code-compliant, economical for the fabricator and useful to the welder

  • Introduction
  • Essential Variables
  • Nonessential Variables
  • Client Requirements
  • Developing a WPS

Module 7:  Qualifying Welding Personnel – the essential variables for qualifying welders/welding operators in Article III

  • Introduction
  • Essential Variables
  • Manual And Semiautomatic Welding
  • Other Processes
  • Automatic Welding Processes
  • Machine Welding Processes
  • Generating A Welding Performance Qualification

Module 8 - Brazing

  • Essential variables and requirements for qualifying brazing procedures
  • Essential variables and the tests required to qualify brazing personnel

Module 9 - Fusing

  • Essential variables and the tests required to qualify fusing procedures
  • Essential variables and the tests required to qualify fusing personnel
  • The plastic fusing processes covered by Section IX
  • Difference between fusing and brazing procedures

More Information


Guided Study

Online learning augmented with instructor-supported activities and/or graded assignments to complete at your own pace. Courses run in 6-week sessions.
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