Form: round, square, rectangularú¼oval , channel u, etc. Finish:180#, 320#ú¼hairline, satin , mirror, etc. Od:6mm to 273mm for round tube; 8mmíß8mm to 100mmíß100mm for square tube; 10mmíß20mm to 60mmíß120mm for rectangular tube. Wall thickness:0.5mm to 5.0mm. Tolerance: od:+/-0.15mm;thickness:+/-10%. Material:304, 304l, 316l, 321, 301, 201, 202, 409, 430, 410, etc. Application :decoration , furniture, railing making, paper making, automobile , food processing, medical Packing: each one in a soft poly bag into bundle with knitted bag or steel crate , or wooden case.