Stainless Steel Round Tube for furniture,handle,machine making ect Thickness:0.3~ ... -A554 From the nature, To the excellence. NameStainless Steel Round Tube / PipeStandardASTM A312, A249,A269 and A270 ... , staircase, weldmesh screen,door,window, balcony,fence,bench,furniture,etcTestSquash test, extended test, water pressure test, crystal ... 90<90 Welding Line Polishing Line Bend: Stainless Steel Round Tube