Stainless Steel Round Tube for furniture,handle,machine making ect Thickness:0.3~3. ... the nature, To the excellence. NameStainless Steel Round Tube / PipeStandardASTM A312, A249,A269 and A270,A554Material Grade201,202,304,316,316L,430Main ... <90<90 Welding Line Polishing Line Bend: Stainless Steel Round Tube