... , A268, A269, A270, A312, A358, A376, A511 Stainless Steel Welded Pipe:Detail:Stainless steel pipe standard: ASTM A688, A213, A249, A268, A269, ... ... GOST 9940-81, GOST9941-81, DIN17457, DIN17455, EN10217-7.Stainless steel pipe description:1) Standard: ASTM A249,A269,A270,A312, A778 ... : 6mm - 2500mm3) Wall thickness: 0.5mm - 30mm4) Material: 304, 304L, 316, 316L, 321, 317L etc.5) Surface: Bright anneal ...