1> H ,T, C,Section :STeel 2> Type :Q235 ,Q 345B 3>Standard:GB/T ... H-Beam,H profiled steel,Steel beamH type steel,Building metallic Material,Steel Beam,Welding SteelSTeel H-Beam100*100*6*8mm125*125 ... ,T, C, Profile Steel( Beam),Rolled Steel Girder,Section Steel-->TYPE Q235 ,Q345B(SM49OYB ,SM49OA )