... cold drawn and hot rolled 3).Diameter:40-600 NameStainless Steel Bright BarBrandBSDMaterial Grade304,304L,316,316L,310S etc.Diameterfrom 4mm ... , Brush, Dull Finish)400G, 500G, 600G or 800G Mirror finishApplicationOrnamental tubes, Decoration construction, upholstery, industry machineTestSquash test, Extended test, Water pressure ... ≥30%≥30%≥35%≥35%Hardness (HV)<253<253<200<200 Stainless Steel Bright Bar