hot rolled channel steel Grade: Q235B, SS400, Q235, Q345, Q345B, ST37-2, A36, S235JRG ... ,12 We supply high quality Channel steel with reasonable price. Including Chinese standard, Japanese standard and so on.Material: SS400, ST37-2, A36 ... Expressway. Our main products include angle steel, channel, I-beam, H-beam, deformed bar, round bar, steel pipe, steel plate and more. Under the Operating ...