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AWS B2.1/B2.1M:2021

Specification for Welding Procedure and Performance Qualification - Second Printing - July 2023

This document provides the AWS base metal grouping for welding procedure and performance qualification and is identical to Annex C of AWS B2.1/B2.1M:2021, Specification for Welding Procedure and Performance Qualification.


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American Welding Society [aws]


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