hot rolled steel flat bar,flat Grade: SS400, ST37-2, A36, S235JRG1, Q235, Q345. Technique: hot rolled Length(m): 6, 9, 12 We supply high quality hot rolled flat bar ... with reasonable price. Material: SS400, ST37-2, A36, S235JRG1, Q235, Q345 etc.Thickness ... thickness from 4 to 60mm Flat bar can be either used as hot-rolled finished product or billet cut ...