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Welder’s Diameter Restrictions and Position Qualified

This article is about diameter restrictions and welding position qualification involves in welder and welding operator qualification as per ASME Section IX. Diameter Restriction for Welder Qualification (as per QW-303) 1) If welder is qualified by groove weld during test, then the qualification range will be below (as per table QW-452.3 and table QW-452.6) Note: […]

ASME BPVC Section IX Brief Introduction

The ASME section IX specifies the requirements for the qualification of welder, welding operators, brazers, brazing operators and fusion operators and the procedure employed in welding, brazing and plastic fusing in accordance with the ASME boiler and pressure vessel code and the ASME code 31 for pressure piping and others codes and specifications. ASME section