... 1.Material:201,202,304,316 stainless steel tube Specifications:1) Round pipes - Outside diameter(mm) :8,9.5,11,12, 12 ... ,36x36,38x38,40x40,48x48,50x50,60x60,70x70,80x803 Tolerance: a) Outer diameter: ±0.15mm b) Thickness: ±10% of wall thickness c) Length ...