Hi,
As per QW-424, you can support P4 to P4 PQR for P4 to P1. However, the below are needs to be consider for its requirement.
1. Check for PWHT with time &temperature requirement. If any
2. Impact Requirement for SA 106 ( HAZ). If any
Regards,
Vasanth
-----Original Message-----
From:
Sent: 12 October 2009 09:50
To: Materials & Welding
Subject: [MW:3490] Welding of Sa-335 to SA-106
Hello Gents
Can sombody help me with a answar regarding welding of Sa-335 to
SA-106.
I have a PQR covering material 335-P11 to 335-P11( P4)
Can I use it for welding of P-no 4 to P-no 1
Regard, jimmy
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