| Hi Group Members, Please see the following and advise. Shashank Vagal Query: dear every one, i have this problem i need to know the thickness range or pipes diameter range for the wps in which standard i think its in asme sec 9 but where ??? for exmple if i have wps for thickness 15 is it cover the waiting answer please regards My Reply: A WPS is a guideline to ensure joint integrity as proven by PQR + applicable mech tests + NDT. It is intended for all job sizes once the welding technique used proves itself in these tests. The sizes etc come in to picture by qualifying welder on test coupons of a given size as per your job requirements. ASME IX stipulates weld metal deposit and not job size. Please ref to QW 450 - 461. |
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