I beam (1) material: Q235,SS400,A36,ST37-2,EN10025,S235JR (2) ... .6mm-630*180*17mm (3)packing:bundle with strips I beam(1) material: Q235,SS400,A36,ST37-2,EN10025,S235JR(2 ... .5123.963a63017613121.40763b63017815131.29863c63018017141.189 GB standard hot rolled I-beam