[MW:24968] IMPACT TEST REQUIREMENT

Dear All,

As per ASME SEC-IX   change in material Group is Supplementry  essential variable (403.5)

based on above i need your experience  If iam qualified PQR p1 group-1 to p1 group-2 tow different group welded it self so the  qualfied range will be p1 group1 and p1 group 2.

or only this PQR is qualified group 1 to group-2 qualified.

also please advice i need to qualify group 1 separate and group 2 separate PQR.

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