Friday, February 25, 2022

[MW:32935] WPQ of single process having combination PQR

Dear All,
I have PQR of GTAW + SMAW process for P1G2 to P1G2 (SA516 GR.70 to SA516 GR.70)
PQR Plate thickness = 10 mm
GTAW welded = 4 mm
SMAW welded = 6 mm
WPS range qualified = 1.5 to 20 mm.

Now, My query is, can i use this WPS for WPQ by GTAW process only?
I want to qualify my welder on 1/2"NB X SCH 160 (4.78 THK) pipe with only GTAW process using this WPS.

Kindly Clarify Experts........


Regards,
Brijesh Maurya

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