How To Write A WPS

This article discusses a few things that a welding engineer must keep in mind while writing a WPS, in accordance with Section IX of ASME BPVC. WPS is short for Welding Procedure Specification. Being a welding engineer myself, I have touched upon a few things that do not find an obvious mention in the Section … Read more

Welding Procedure Qualification As Per ASME Section IX

In this article, I have discussed various aspects related to welding procedure qualification in accordance with ASME BPVC Section IX. These observations are borne out of almost a decade long personal experiences on this subject. What is a Welding Procedure Specification? Simply put, a WPS, short for Welding Procedure Specification, is a document (generally not … Read more

How to Address Groove Design and Root Spacing on a WPS

This article discusses about the subject of root spacing and groove design. How to address these variables on a WPS made in accordance with ASME Section IX? Let’s begin right away. Groove Design Groove design is a non-essential variable for most processes, except EBW. So a change from one groove type to another does not … Read more

ASME Section IX – Interesting Tidbits

Section IX of ASME BPVC is a qualification standard for welding procedures and welding operators. It is a very widely used standard today. In some places, it is a statutory requirement – that is, it is mandated by law. In other places, it is adopted by companies for welding qualifications. Sometimes it becomes compulsory by … Read more

Dissimilar Base Metal Thicknesses

This article discusses in some detail the subject of dissimilar base metal thicknesses for welding procedure qualification in the context of ASME Section IX. A couple of ASME Interpretations have been made use of to explain some points. What Constitutes Dissimilar Base Metal Thickness? QW 451 sets the limits for qualified base metal thicknesses for … Read more