... AOD finery smelting stainless steel round,angle,flat,square,hexagonal,channel bars,ss wires Stainless Steel Round BarSurface settlement: hot-rolled, ... flat bar tolerance is H10 or customized. Stainless Steel Square BarStandard: ASTM A 276/A 276M, A 484/A ... , 200Cu,201Cu, 201Cu-1 etc.Application: petroleum, chemical, mechanical and electrical, hardware,construction, boiler fuel gas equipment, food ...