Stainless Steel Round Tube for furniture,handle,machine making ect Thickness:0.3~3.0mm OD:10~ ... ASTM-A554 From the nature, To the excellence. NameStainless Steel Round Tube / PipeStandardASTM A312, A249,A269 and A270,A554Material Grade201,202 ... <100<90<90 Welding Line Polishing Line Bend: Stainless Steel Round Tube