201 stainless steel pipe,201 welded tube erw 0.27mm 17mm tube Manufacture Standard:JIS,GB,DIN,ASTM,EN,AISI welded INOX ... 201 stainless steel pipe,201 welded tube erw 0.27mm 17mm tube Manufacture Standard:JIS,GB,DIN,ASTM,EN,AISI ... )Polishing: 600#,400#, 320#, 240#, 180#.etc.7)Tolerance: a) Outer diameter: ±0.15mm b) Thickness: ±10% of wall thickness c) Length ...