... :chinese standard 2.material:Q235,SS400,ST37-2,S235JR 3.size:80mm-300mm 4.length:6,9 steel I beam (IPE ... :chinese standard 2.material:Q235,SS400,ST37-2,S235JR 3.size:80mm-300mm 4.length:6,9,12m we can offer ... I beam(IPE/IPEAA) as following:SizeHigh(mm)tolerance(mm)breadth(mm)tolerance(mm)thickness(mm)tolerance(mm)weight(kg/m)880±2.050±2.04 ...