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 ... ), 347, Duplex 2205, Duplex 2207, etc.SPECIFICATION: O.D: 1/4" - 32" (inch) (6-830 mm) W.T: SCH5S, SCH10S,SCH40S ... .200.20~0.551.20~1.600.0450.045/// stainless and seamless steel pipe