... cold drawn and hot rolled 3).Diameter:40-600mm NameHot Rolling Stainless Steel BarBrandTISCO,BAOSTEELMaterial Grade304,304L,316,316L,310S etc ... tubes, Decoration construction, upholstery, industry machineTestSquash test, Extended test, Water pressure test, Crystal rot test, Heat treatment, NDT Chemical Composition ... %≥35%≥35%Hardness (HV)<253<253<200<200 Hot Rolling Stainless Steel Bar