... ,ST37-2,S235JR 3.size:80mm-300mm 4.length:6,9 steel I beam (IPE/ IPEAA) 1.standard:chinese standard 2 ... ,ST37-2,S235JR 3.size:80mm-300mm 4.length:6,9,12m we can offer you all kindly of sizes steel ... .094±2.56.5±0.524.14320A200±3.0100±3.07.0±0.727.92920B200±3.0102±3.09.0±0.731.06922A220±3.0110 ... .0112±3.09.5±0.736.52425A250±3.0116±3.08.0±0.738.0525B250±3.0118±3.010.0±0.742.0328A280±3.0122 ...