Abstract:
Small and medium size stocked components intended for boiler and pressure vessel are often
manufactured and welded with reference to ASME section III and IX. This paper mainly
focuses on rules for welding qualification, monitoring welding activities during manufacturing
and the extent of supervision by independent inspection body required by the quality system.
In this work comparison required for welder procedure qualification as well as welder
qualification accordance with procedure qualification record is carried out. Finally, range of
qualified will decide the welder qualification based on WPQ and PQR.
