It is acceptable based on ASME Sec IX 2010 edition, however earlier editions of ASME i.e. before 2010, APL 5L B was assigned as S number 1, requalification was necessary then.
Note: thou it is not applicable in your present case, if you are using B31.3 and you have multiple grades API 5L each strength level requires requalification.
-----Original Message-----
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of thiru sam
Sent: Tuesday, December 21, 2010 4:14 PM
To: Materials & Welding
Subject: [MW:8853] Welding between A106 Gr.B and API 5L Gr.B
Dear All,
One of my contractor submitted and wps/pqr for approval for welding
between A106 Gr.B and API 5L Gr.B pipes.
The Wps is prepared newly for this project and PQR is from old
projects.
I reviewed and i found that the PQR is done for API 5L PSL1-Gr.B to
API 5L PSL1-Gr.B.
Is it possible to prepare the wps for A106 Gr.B and API 5L Gr.B pipes
based on the above PQR.
Please reply.
Thanks.
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