... GB/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* ... structure,New-Building and ,Bridge H ,T, C, Profile Steel( Beam),Rolled Steel Girder,Section Steel-->TYPE Q235 ,Q345B(SM49OYB , ...