mild steel flat bar, flat bar Grade: SS400, ST37-2, A36, S235JRG1, Q235, ... 6, 9, 12 We supply high quality hot rolled flat bar with reasonable price. Material: SS400, ST37-2, A36 ... Thickness: 2mm-20mmWidth: 20mm-800mmLength: 6meter, 9meter, 12meterDescriptions Flat bar is a kind of steel product bearing rectangle section ... mm and that of thickness from 4 to 60mm Flat bar can be either used as hot-rolled ...