Dear Experts,
We have upcoming Project with below mentioned material which we required to Qualify new Procedure, need your recommendation on filler( Similar and Dissimilar weld) to be used and Precautions to be take such as Pre heat requirements, max interpass temperature to be maintained, PWHT requirements.
Material details :
25Cr‐35Ni Tube 8mm thick 4" Pipe
35Cr‐45Ni Tube 8mm thick 4" Pipe
32Cr-20Ni Tube 8mm thick 4" Pipe
A182 F347H Tube 6.4mm 4" Pipe
Material to be joined:
Dissimilar Weld
· 35Cr‐45Ni to 32Cr-20Ni
· 35Cr‐45Ni to 25Cr‐35Ni
· 25Cr‐35Ni to A182 F347H
Similar Weld
· 35Cr‐45Ni to 35Cr‐45Ni
· 32Cr-20Ni to 32Cr-20Ni
Best regards
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