channel 1)Size: 50x37x4.5mm-400mx104x14.5mm 2)Material: Q195,Q215,Q235,A36,SS400,SS540 channel 1)Size: 51x25x3mm-305x80x13mm 2)Material: Q195,Q215,Q235,A36,SS400,SS540 3)Packing:bundle with strips American Channel Steel 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*4.176354.36.10 kg/mC3*576376.67.40 kg/mC3*6764098.90 kg/mC4*4. ...