[MW:23205] Production weld coupon reference and NDT requirement.

Dear All,

Good day

We are doing welding on a spherical vessel. The client is asking for the production weld sample for the first 3m of welding for all the joints along with the RT.

My questions are:

1. Where is the detail reference for requirement of production test coupon in ASME Sec IX?

2. Can we replace RT with PAUT ? Is there any specific technical requirement that only RT needs to be done not PAUT on PTC. as in actual job we will be doing PAUT not RT.

Waiting for your genuine reply. 

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Thanks & Regards,

Syed Kashif Farhan

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