1> H ,T, C,Section :STeel 2> Type :Q235 ,Q 345B 3>Standard:GB/T ... Steel ,Steel H-Beam,H profiled steel,Steel beamH type steel,Building metallic Material,Steel Beam,Welding SteelSTeel H-Beam100*100*6 ... *302*12*12mm290*340*20*22mmApplication for the :structure,New-Building and ,Bridge H ,T, C, Profile Steel( Beam),Rolled Steel ...