U channel steel 1)Size: 50x37x4.5mm-400mx104x14.5mm 2)Material: Q195,Q215,Q235,A36,SS400,SS540 3)Packing:bundle with strips channel steel 1)Size ... ,Q235,A36,SS400,SS540 3)Packing:bundle with strips American Channel Steel Standardh(mm)b(mm)d(mm)Theoretic WeightBSC2*1*1 ... /mC12*25305779.837.00 kg/mC12*30305801345.00 kg/m U channel steel