Standard Designation:
BPV Section IX
Edition/Addenda:
2015
Para./Fig./Table No:
QW-200.4, QW-200.2(f)
Subject Description:
SC IX; QW-200.4, QW-200.2(f) - Combination WPS
Date Issued:
06/06/2017
Record Number:
16-3074
Interpretation Number :
BPV IX-17-30
Question(s) and Reply(ies):
Question: May a combination of two PQRs each of different welding processes, support a WPS combining the two processes in a single joint with all the essential and supplementary essential variables unchanged?
Reply: Yes, provided the base metal and deposited weld metal thickness limits of QW-451 are satisfied for each process.
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