Channel steel 5#---40AB# Channel steel 1.Q195-235,SS400,etc. 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 with reasonable ...