... series Stainless Steel Welded Pipe, Duplex Stainless Steel Welded Pipe Standard: ASTM, JIS, DIN, EN, GB, KS Material: 310S, 309S, 316, 316L, 321, 317, 317L, 347H, 304, 304L, 301 ... delivery, welcome to contact for more details. DescriptionStainless steel welded pipe,stainless steel welded tubeStandardASTMA312,A213,A376,A789,A790,A376,A249,EN10217-7-2005,GB14976 ...