steel h beams for sale 1.grade:Q235,Q345, ... :6/9/12m h beamhot rolled h beamh beam 1.standardJIS standard, GB/T11263-19982.steel gradeQ235, Q345, ... or 12m5.applicationused for machinery, procesing, structure building, automobile manufacturing, shipbuilding, electric powerhot sale size please ... 199, 450*200, 496*199, 500*200mm H BEAMS GradeCHEMICAL COMPOSITION %MECHANIC PROPERTYCSiMnPSBYield Strength (N/ ...