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 ... spare parts, Iron tower steel structure, boilers making ,etcFounded in 2000, we are a leading steel enterprise in China, located in Fengrun District, Tangshan City ...