... /T 11263-2005 Hot Rolling H Section Steel ,Steel H-Beam,H profiled steel,Steel beamH type steel,Building metallic Material,Steel Beam,Welding SteelSTeel H-Beam100*100*6*8mm125*125 ... *20*22mmApplication for the :structure,New-Building and ,Bridge H ,T, C, Profile Steel( Beam),Rolled Steel Girder,Section Steel-->TYPE Q235 ,Q345B(SM49OYB ,SM49OA )