seamless stainless stainless pipe steel grade:304,316l,301,310S,321,321H ... high-temperature resistant3) The main standards are 304, 304L, 316, 316L, 321, 321H, 310S, 347H4) Standards: GB/T14975 ... T14976-2002, GB13296-91, GB9948-88, ASTM A312, ASTM A213, ASTM A269, ASTM A5115) Scope of applications: for use ... , power,papermaking, chemical, medical equipment, aviation, boiler Seamless Stainless Steel Pipe