... 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. ... A213/A269JapanJIS G3459/G3463GermanDIN174563Material and GradeU.S.A.TP304,TP304L,TP310S,TP316,TP316L,TP316Ti,TP321, TP347, TP410, TP430, ...