... stainless steel tube JIS 1)Standard:ASTM,AISI,GB,DIN,JIS 2)OD:6mm-1220mm 3)Thkness:0.5mm-50mm Stainless Steel Tube ... Surface:Mirror,Satin/HairlineFrom the nature, To the excellence NameStainless Steel TubeItemsSquare pipes, round tubes, oval pipes, special shaped pipes, ... test, crystal rot test, heat treatment, NDT Chemical Composition of Material MaterialComposition201202304316430C≤0.15≤0.15≤0.08≤0.08 ...