U channel 1.Hot rolled steel ,, factory , ISO9001 2.Sizes ;50x25mm-400x110mm 3.Length : 5.8-12m' 4.Packing: Nude packing U channel (U section,U beam) material:Q235,SS400,S235JR,ST37-2 size:50x37x4.5mm -- 320x88x8mm length:6,9,12m package:bundleswe yuxuan company can offer you all kinds sizes of U channel steel. U channel (U section,U beam)material:Q235,SS400,S235JR,ST37-2size:50x37x4.5mm -- ...