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 ... .40 kg/mC3*6764098.90 kg/mC4*4.5102403.26.70 kg/mC4*5.4102404.78.00 kg/mC4*7.2102438 ... kg/mC7*9.8178535.314.6 kg/mC7*12.217855818.2 kg/mC7*14.71785810.622.00 kg/mC8*11.5203575 ...