... 9001:2008 CERTIFICATED 3.(6-830) x (0.5-40)mm 4.ASTM / ASME, GB, DIN, DescriptionSeamless Stainless Steel Pipe/TubeSupply Capacity10000 tons/yearProcess ... : 0.8%), 201B (Ni : 3%), 201H (Ni : 5%)301 (Ni : 6%), 304, TP304, TP304L/304L, 321, TP321, 316, TP316L, 316L, 316Ti317 ... , DIN, JIS, T14975, etc.SpecificationO.D: 1/4" - 32" (inch) (6-830 mm)W.T: SCH5S, SCH10S,SCH40S,SCH80S,SCH160S,etc ...