... for bridgesQ235q, Q345q,Q370q,Q420qGB/T714—20005Hot-rolled steel plates for plasticMouldsSM3Cr2Mo,SM3Cr3NiMoYB/T107—19976Hull structural steelsH 6~160W 1500~4200L 6000~18000A ... , seamless pipe, angle, re-bar, wire, round steel, channel steel, PC steel bar, flat, bulb flat, coil steel, I-beam, H-beam, square tube, rectangular ...