... ASTM,AISI, DIN,GB 2.Diameter:6-630mm 3.Thicknes: 0.5~50mm 4.Surface:2B, 2D, 2E, ED, NO.4,etc. stainless steel pipe ... ,INCO800,840, Ni36, Ni42 etc. StandardJIS, ASTM, AISI,DIN,GBSpecificationDiameter 6-630mm x Thickness 0 ... or random Surface2B, 2D, 2E, ED, NO.4, HL, SLPackingstandard export package or as required.Applications ... ApplicationOur company 201 stainless steel pipe --201 stainless steel pipe