Scope: In part-2, of this article we had discussed the sequence to be used for qualification of procedure (PQR) which needs to be approved by customer/client/TPI. (Please click here to read that article) Now we shall proceed for performance (welder) qualification i.e Welder performance qualification – WPQ or welder qualification test – WQT (which will be discussed in brief as the steps are identical to PQR qualification). This discussion shall….
Scope: In part-1 (Click here to read), of this article we had discussed about preparation and approval of weld map, shop weld plan and proposed welder list which needs to be submitted for consent of the customer/client/TPI. In this article, we shall discuss the steps required for PQR qualification. In general the Steps as mentioned below may be followed (But not mandatory for each and every case) for PQR qualification:….
Scope: This article will deal with step by step guide for preparation of Weld Map, Shop Weld Plan, WPS, PQR & WPQ as per ASME SEC IX for a Static Pressure Vessel designed in accordance with ASME SEC VIII DIV I for non-lethal Service. The Reader must be wondering from where this requirement of Weld Map and Weld Plan arises which is very common thinking when one (Welding Engineer) is….