1.Standard:JIS, ASTM,AISI, DIN,GB 2.Diameter:6-630mm ... :2B, 2D, 2E, ED, NO.4,etc. stainless steel pipe 1.Desctiption : Grade201(1Cr17Mn6Ni5n), 202(1Cr18Mn8Ni5N), 301(1Cr17Ni7), ... ), 420J2,INCO800,840, Ni36, Ni42 etc. StandardJIS, ASTM, AISI,DIN,GBSpecificationDiameter 6-630mm x Thickness 0.5~50mm ... Our CertificateOur products ApplicationOur company 201 stainless steel pipe --201 stainless steel pipe