[MW:14349] Sample test or tubular mock-up test for 6GR

Dear Experts

 

WPS for 6GR could be developed via 6GR coupon in accordance with AWS D1.1.

However, sample test or tubular mock-up test is required from time to time.

 

1^st question

 Are they mandatory for all 6GR qualification test?

2^nd question

Can fabricator select test method, sample test or tubular mock-up ?

 

Your prompt advice would be highly appreciated.