Does anyone know of a US based manufacturer capable of making welded (not seamless) pipe, elbows, tees, etc. 12" and down that are compliant with the PED (stainless steel)? The main problem is the welding procedures; no one in the US has PED approved WPS. There are many manufacturers of non-welded items like flanges, seamless pipe and elbows, plate, sheet, etc. that are PED approved (Mainly per the Annex I Sec. 4.3 route), but I can't find anything for welded items. Any leads would be greatly appreciated. Thanks.
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