... hot rolled structural shape steel H Beam steelh type steel 1.steel grade:Q235,Q345,SS400 2.standard:JIS,GB/T11263-1998, GB/T11263-2005 3.size:100*100-900 ... standard, GB/T11263-1998, GB/T11263-20052.steel gradeQ235, Q345, SS4003.size100*100-900*300mm, details please check below4.length6m or 12m5 ... , 148*100, 198*99, 200*100, 248*124, 250*125,200*200, 250*250, 250*255, 294*200, 298*149, 300*150, ...