... , Q345, Q345B, ST37-2, A36, S235JRG Technique: Hot Rolled Length(m): 6,9,12We supply high quality Channel steel with reasonable ... 6m---12m. size (mm)thickness (mm)thickness (mm)weight (kg/m)50*253.00~5.006.002.37~3.4675*403 ... .60300*909.0013.0038.10 Hot Rolled JIS and G/B Channel Steel