... & lowest price AOD finery smelting stainless steel round,angle,flat,square,hexagonal,channel bars,ss wires Stainless Steel Round BarSurface settlement ... colddrawn flat bar tolerance is H10 or customized. Stainless Steel Square BarStandard: ASTM A 276/A 276M, A 484/A 484M ... 582/A 582MSpecification: the A/F range of stainless steel square bar are S10.0- S40.0(hot-rolled,pickled) S5 ...