1.stainless and seamless steel pipe 2.for industrial 3.Section Shape: Round 4. ... Standard: ASTM / ASME, GB, DIN, JIS, T14975 stainless and seamless steel pipeGRADE : 200 (Ni : 0.8%), 201B (Ni : 3%), 201H ... 2207, etc.SPECIFICATION: O.D: 1/4" - 32" (inch) (6-830 mm) W.T: SCH5S, SCH10S,SCH40S,SCH80S,SCH160S,etc. (0 ... .20~0.551.20~1.600.0450.045/// stainless and seamless steel pipe