... . 2.QB, JIS, European standard 3.length is 6m---12m. hot rolled channel steel Grade: Q235B, SS400, Q235, Q345, Q345B, ST37-2 ... , A36, S235JRG Technique: Hot Rolled Length(m): 6,9,12We supply high quality Channel steel ... /EN/ASTM/DIN and others. Packing: In Bundle,Fasten by wire rod with tags.or according to client's requests. Length: 6meter ...