1)Material:Q235,SS400,ST37-2,S235JR or equal. 2)Size:100x55x3.6mm-630x180x17mm 3) Length:6-12m 4)Packing:Bundle with strip. steel i beamModelh(mm)b(mm)d(mm)Theoretic Weight(kg/m)10100684.511.2611212074513.98712.612674514.22314140805.516.891616088620.51318180946.524.14320a200100727.92920b200102931.06922a2201107.533.0722b2201129.536.52424a240116837.47724b2401181041.24525a250116838.10525b2501181042. ...