1> H ,T, C,Section :STeel 2> Type :Q235 ,Q 345B 3>Standard:GB/T ... Section Steel ,Steel H-Beam,H profiled steel,Steel beamH type steel,Building metallic Material,Steel Beam,Welding SteelSTeel H-Beam100 ... the :structure,New-Building and ,Bridge H ,T, C, Profile Steel( Beam),Rolled Steel Girder,Section Steel-->TYPE Q235 ,Q345B(SM49OYB ,SM49OA ...