... channel steel Standard:GB, JIS, ASTM Size:63*40-220*77mm or as required Material:Q235, Q195, SS400 MOQ:5T q345 u channel ... /Q195/Q215/SS400/SS540/ST37-2 Payment : L/C and T/T Application: building structure, vehicles and ... , also used for industrial workshop beam and column, channel, also often such components used and choices. Packing: ... there are some questions about U channel steel free to contact me