... to 30# 6M 9M 12M We offer high quality channel steel Q235,Q345,SS400,S235JR 8# to 30# 6M 9M 12M ... channel steel1.size:8#--30#2.material:Q235 SS400 S235JR or ST37-23.length: ... 8000MTMonthly sales amount: 40000MTequal angle bar(steel bar)material:Q235,SS400,ST37-2size:20mm-200mmlength:6m,9m,12mcustomers' requestment ... sincerely looking forward to cooperating with you. U-Channel section