hot rolled channel steel Grade: Q235B, SS400, Q235, Q345, Q345B, ST37-2, A36, S235JRG Technique: Hot Rolled Length(m): 6,9,12 We supply high quality Channel steel ... standard size: 50*25*3mm-300*90*13mm size (mm)thickness (mm)thickness (mm)weight (kg/m)50*253.00~5.006 ... . Our main products include angle steel, channel, I-beam, H-beam, deformed bar, round bar, steel pipe, steel plate and more. Under the ...