Please advise us if the welding of two different Group metal (Gr II
with Gr III) is covered by the PQRs of both groups, according to AWS
D1.1 code.
Example:
PQR1: concern the welding of S355 JR - S355 JR (Gr II)
PQR2: concern the welding of API 5L X60 - API 5L X60 (Gr III)
Question: The welding of S355 JR - API 5L X60 is covered by the above
PQR (PQR1 & PQR2) according to AWS D1.1 code?
Thank's and regards
REDOUANE
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