Welding till the End!
In this article we will discuss about the Supplementary Essential variable for GTAW, SMAW, SAW and GMAW welding process as per ASME BPVC Section IX for qualifying a groove weld PQR (Procedure Qualification Record). What is supplementary Essential Variable? A supplementary essential variables are those variable in which change will affect the toughness property of […]
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
This article will cover the essential mechanical testing procedures outlined in ASME BPVC Section IX (ASME section 9)for the qualification of a groove weld PQR (Procedure Qualification Record), including details on specimen extraction location, the objectives of the testing, and criteria for acceptance. Testing Requirement: QW-451 outlines the specific type and quantity of test specimens