2010 ASME Boiler and Pressure Vessel Code BPVC Section IX - Welding and Brazing Qualifications

2010 ASME Boiler and Pressure Vessel Code BPVC Section IX - Welding and Brazing Qualifications relates to the qualification of welders, welding operators, brazers and brazing operators and the procedures employed in welding of brazing in accordance with the ASME Boiler and Pressure Vessel Code and the ASME B31 Code for Pressure Piping. Section IX establishes the basic criteria for welding and brazing which are observed in the preparation of welding and brazing requirements that affect procedure and performance. The purpose of the Welding Procedure Specification (WPS) and Procedure Qualification Record (PQR) is to determine that the weldment proposed for construction is capable of having the required properties for its intended application.

Summary of changes:

• Revised Appendix D (Numerical List of P-Numbers) to remove P No. 5B Group 2 and replace with .15E Group 1.
• Revised QW/QB-422 {P-Number Tables) to remove P No. 5B Group 2 and replace with 15E Group 1.
• Reassigned all the existing S-Number materials in Table QW/QB-422 as P-Number materials for welding and brazing procedure qualification purposes and deleted all reference to S-Numbers from appropriate paragraphs of Section IX.
• Revised non-mandatory welding forms (QW-482, QW-483, QW-4984A, QW-484B and QW-485) to reflect current welding variables and terminology.
• Revised QW/QB-422 to add a column to indicate the assigned ISO/TR 15608 Material Grouping Number and added a paragraph in QW-420 to clarify.

BPVC-IX-2010