Dear Expert,
In my project, we have some tubing line ( ½” SS316L and Duplex) need to weld with reducer same material, we have WPS for both of material. The problem is the RT report show internal concavity but we do not have accept criteria for those weld joints as per drawing, Spec..etc..
Kindly please advise which code & standard are using for the tubing. ( tubing fix on the hydraulic control panel )
Regards,
Thuan
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