Stainless Steel Seamless Pipe Grade:304/304L,304H,316/316L,316Ti,317L,321/321H,309S,310S Type: round and rectangular pipe Stainless Steel Seamless PipeStandard: ASME/ASTM/AISI/ ... 316L,316Ti,317L,321/321H,309S,310SType: round and rectangular pipe OD Size:6mm to 1500mm. W.T. Size:0. ... 10204 3.1BUsage:general structure,gas and water transportation,boilers,heat exchangers,super heaters, hydraulic system