hot rolled channel steel 1.Size: 51x25x3mm-305x80x13mm 2.Material: Q195,Q215,Q235,A36,SS400,SS540 3.Length: 6m,9m,12m Channel Steel 1.Size: 51x25x3mm-305x80x13mm 2.Material: Q195,Q215,Q235,A36,SS400,SS540 3.Length: 6m,9m,12m4.Perforated:not perforated or as per your request. Standardh(mm)b(mm)d(mm)Theoretic WeightBSC2*1*1/8512532.37 kg/mBSC2*1*3/16512553.46 kg/mC3*3.576353.45.20 kg/mC3*4.176354. ...