hot rolled steel channel bar Grade: Q235B, SS400, Q235, Q345, Q345B, ST37-2, A36, S235JRG Technique: Hot Rolled We supply high quality Channel steel with reasonable price. Including Chinese standard, Japanese standard and so on.Material: SS400, ST37-2, A36, S235JRG1, Q235, Q345 etc. Standard: GB/JIS/EN/ASTM/DIN and others. Packing: In Bundle,Fasten by wire rod with tags.or according to client's ...