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ER316L VS ER304L

ER316L VS ER304L

ER316L VS ER304L

(OP)
Hy all

Q :I have a P8-P8 PQR produced on a SA 312-304L-304L base material with a ER308L filler wire.
I want to qualify a WPS of 316L-316L with ER316L F no,A no and SFA no are all the same.
Do I need to requalify my PQR in this instance or can i use the same PQR....

Regards
Tman

RE: ER316L VS ER304L

You can use the same PQR if done under ASME Section IX guidelines.

RE: ER316L VS ER304L

Per metengr, unless impact testing is required.

RE: ER316L VS ER304L

(OP)
Thank you guys well appriated......

RE: ER316L VS ER304L

(OP)
at stan what you mean about the statement on impact testing coz it is required.....it is also covered(impact) on the PQR in question?
Can u elaborate more

RE: ER316L VS ER304L

Tman,

First determine whether or not impact testing of the weld is required by the applicable construction code. If it is required, and assuming you're working to ASME Sec IX, review the applicable paragraph for the process under consideration. Eg for GTAW look at QW 404.12.

RE: ER316L VS ER304L

Filler metal classification is a Supplementary Essential Variable when impact test qualification is required.

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