AWS B2.1:2005 Specification for Welding Procedure and Performance Qualification (includes 2006 Errata)

standard by American Welding Society, 11/04/2004

Full Description

This universal qualification document is an excellent tool to ensure economical quality. Covers all welding processes and an exhaustive array of materials used in metal fabrication. Spells out requirements for the qualification of welding procedures, and for the performance qualification of welders and welding operators.