by Technological | May 13, 2020 | Welding
WPS, PQR and WPQ: Explained WPS – Welding Procedure Specifications PQR – Procedure Qualification Records WQT / WPQ – Welder Qualification Test / Welder Performance Qualifications. These all have a different purpose… Preliminary Welding Procedure...
by Technological | Apr 14, 2020 | Welding
PQR/WPQ Essential Variables ASME IX Notes: According to ASME IX:2019, tables: QW-253, QW-255, QW-256 According to ASME IX:2019, table: QW-416 WPQ performed on P‐No. 1 base metal coupon will qaulify welder for: P‐No. 1 – 15F, P‐No. 34, and P‐No. 41 – 49...
by Technological | Apr 11, 2020 | ASME IX, Welding
P-Numbers Table ASME IX QW-420 BASE METAL GROUPINGS P‐Numbers are assigned to base metals for the purpose of reducing the number of welding and brazing procedure qualifications required. P‐Numbers are alphanumeric designations: accordingly, each P‐Number shall be...