... channel steel Grade: Q235B, SS400, Q235, Q345, Q345B, ST37-2, A36, S235JRG Technique: Hot Rolled Length(m): 6,9,12We ... Chinese standard, Japanese standard and so on.Material: SS400, ST37-2, A36, S235JRG1, Q235, Q345 etc. Standard: GB/JIS/EN/ ... 90*13mm5#---40AB# Channel steel 1.Q195-235,SS400,etc. 2.QB, JIS, European standard 3.length is 6m---12m. ... *909.0013.0038.10 Hot Rolled JIS and G/B Channel Steel