stainless steel flat bar with perfect surface settlement, strict tolerance, high quality, most reasonable price stainless steel flat bar 1.Stainless steel flat bar's ... ,310S,316,321,410,420,430,etc.,2.Stainless steel flat bar's production procedure: raw elements(C ... by automatically machine--cutting into pieces--checking quality--package3.Stainless steel flat bar's surface:black,pickling,polish, mirror ...