Wednesday, September 1, 2010

[MW:6811] JIS G 3115 SPV 490 Q in welding requirement

Hi everybody

 

Can you support me some information for JIS G 3115 SPV 490 Q in welding requirements with thickness over 24 mm in sphere tank according to ASME VIII Div.2:

-          Preheat

-          Post weld heat treatment

-          Hardness testing requirement for PQR

 

Thank you & Best regards

 

TRAN VAN VUONG

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