Dear Sir,
We would like to know that, Our PQR Base Metal (SA 516 GR.70) thickness is 70mm with Impact, or PWHT.
What is the minimum or maximum base metal thickness range qualified.
As per ASME SEC.IX QW 451 Procedure Qualification thickness limit mentioned in Table QW.451.1 given.
5 to 200 mm.
But our Clinet approved WPS in mentioned 16 to 200mm. Where mentioned ASME SEC.IX reference is mentioned range of base metal thickness.
Please clarify base metal thickness range 16 to 200mm.
With Best regards,
Mohammad Imran Khan
QA/QC Engineer
http://www.linkedin.com/groups/MaterialsWelding-122787?home=&gid=122787&trk=anet_ug_hm
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