Filler Metal On A WPS

This article some of the issues related to the subject of filler metal on a WPS. The entire discussion is done in the context of ASME Section IX, and might not be relevant to other codes. The article focuses special attention on use of unassigned filler metals on a WPS, and also rules regarding filler … Read more

PWHT In Procedure Qualification

In this article we shall see the clauses under which Section IX addresses the subject of post weld heat treatment, that is – PWHT, in procedure qualification. PWHT As Per ASME Section IX Post Weld Heat Treatment is a significant feature of welding, and plays an important role in determining the properties of the weld. … Read more

A-Number On A WPS

This article discusses about the subject of A-Number on a WPS. The article begins with an introduction of A-number, then explains how to apply it vis-à-vis the rules of ASME Section IX. It goes on to explain various methods of determining A-number. Towards the end of the article, it explores a little the question of … Read more

WPS Qualification For Pressure Retaining Fillet Welds

This article lets you know about WPS qualification for fillet welds – pressure retaining as well as non-pressure retaining ones. At the end, a couple of paragraphs also address the subject of performance qualification for pressure retaining fillet welds. Procedure Qualification For Fillet Welds We know that, ordinarily, the WPS qualification for a fillet joint … Read more