... A333, DIN1629, DIN17175, Russian standard, Franch stan.)2. stainless steel pipe (304, 316, 316L, 304L, 321, 410, 444, 430) ... coated, 3PE, IPN8710, 2PE, Epoxy powder)5. welded steel pipe (A53, API 5L, BS1387, EN10025) 1Productstainless steel pipe2StandardU.S ... 3mm~80mm6Length4-12m(usually to be 6 meters)7ProtectionPlastic caps/ Wooden case/Woven bag8Surfaceblack or bright9Packing termslabeled and bundled ...