Flat bar 1. Width:12~300mm; Thickness: 3~25mm 2. SS400, ST37- ... ~12m 4. Hot rolled Flat bar:Widely used in ship-building,electrical,post information,steel structure,steel frame,highway,bridge,car making area ... special needsplace of origin:chinamodel number:3~25mm~300mm 2013 High Quality Steel Flat Bar