steel I beam (IPE/ IPEAA) 1.standard:chinese standard 2.material:Q235, ... ,S235JR 3.size:80mm-300mm 4.length:6,9 steel I beam (IPE/ IPEAA) 1.standard:chinese standard 2.material:Q235 ... ,12m we can offer you all kindly of sizes steel I beam,pls check the specifications and modles of steel ... I beam(IPE/IPEAA) as following:SizeHigh(mm)tolerance(mm)breadth( ...