steel h beams for sale 1.grade:Q235,Q345,SS400 2.standard:JIS,GB/ ... rolled h beamh beam 1.standardJIS standard, GB/T11263-19982.steel gradeQ235, Q345, SS4003.size100*100-900*300mm, details please check ... below4.length6m or 9 or 12m5.applicationused for machinery, procesing, structure building, automobile manufacturing, shipbuilding, electric powerhot sale ...