Procedure Qualification with change of P-Number/Group No. @ASME -IX

[nktqc]

Hi to all

Well i just need a clear clarification regarding below situation

Case 1- I have a WPS which is P1 G1 and qualified with P43 Gr. Unassigned

Case 2- I have a WPS which is P1 G2 and qualified with P1 GI.

Impact is the requirement ( For weld as well as for HAZ )

Now , clearification need for following

Is with above two WPS i can weld P1G2 with P43 Gr. Unassigned

Waiting for your all response

Have a nice day ahead

 

[stanweld]

No, if P1Gr2 material is subject to impact testing.

 

[Quality2479]

Hi,

No because, If Impact test requirement is specified then Group No. becomes essential variable from supplementary essential variable and P No. is also an essential variable. Hence, a qualification of procedure is required.