... structural steel 1.steel grade:Q235,Q345,SS400 2.standard:JIS,GB/T11263-1998 3.size:100*100-900*300mm high quality H ... shape structural steel1)Commodity:high quality H shape structural steel2)Material: Q235B, ... .steel gradeQ235, Q345, SS4003.size100*100-900*300mm, details please check below4.length6m or 12m5.applicationused for machinery, procesing, structure ...