... 40AB# Channel steel 1.Q195-235,SS400,etc. 2.QB, JIS, European standard 3.length is 6m---12m. hot rolled channel ... SS400, ST37-2, A36, S235JRG1, Q235, Q345 etc. Standard: GB/JIS/EN/ASTM/DIN and others. Packing: In Bundle,Fasten by ... 40AB# Channel steel 1.Q195-235,SS400,etc. 2.QB, JIS, European standard 3.length is 6m---12m. size (mm) ... .0013.0034.60300*909.0013.0038.10 Hot Rolled JIS and G/B Channel Steel