... ,304,316 stainless steel tube Specifications:1) Round pipes - Outside diameter(mm) :8,9.5,11,12, 12.7,14.5 ... ,36x36,38x38,40x40,48x48,50x50,60x60,70x70,80x803 Tolerance: a) Outer diameter: ±0.15mm b) Thickness: ±10% of wall thickness c) Length ...