... , C,Section :STeel 2> Type :Q235 ,Q 345B 3>Standard:GB/T 11263-2005 Hot Rolling H Section Steel ,Steel H-Beam ... *22mmApplication for the :structure,New-Building and ,Bridge H ,T, C, Profile Steel( Beam),Rolled Steel Girder,Section Steel-->TYPE Q235 ,Q345B(SM49OYB ,SM49OA )