... , Q345, Q345B, ST37-2, A36, S235JRG Technique: Hot Rolled Length(m): 6,9,12We supply high quality Channel steel with reasonable ... to client's requests. Length: 6meter, 9meter, 12meterChinese standard size: 50*37*4.5mm -400*104*14.5mm Japanese standard size ... *90*13mm size (mm)thickness (mm)thickness (mm)weight (kg/m)50*253.00~5.006.002.37~3.4675*403.807 ...