... A312 Seamless Stainless Steel Pipe 1)TP304,TP304L,TP316L,TP321,TP310S 2)O.D: 6-630mm 3)W.T:0.8-50mm DescriptionASTM A312/ A213 Seamless Stainless Steel Pipe ... , GB, DIN, JIS, T14975, etc.SpecificationO.D: 1/4" - 32" (inch) (6-830 mm)W.T: SCH5S, SCH10S,SCH40S,SCH80S,SCH160S ... ,etc. (0.5-40 mm)Or non-regular size to be tailored as required ...