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 ... Rolled Length(m): 6,9,12We supply high quality Channel steel with reasonable price. Including Chinese standard, Japanese ... *37*4.5mm -400*104*14.5mm Japanese standard size: 50*25*3mm-300*90*13mm5#---40AB# Channel steel ...