... , warehouse, shed, canopy6) hangar, sports centre, shopping mall,storage7)steel H-beams, C&Z purlin, steel angle, square steel, steel channel,other ... Steel Structure portal frame Material: Q345(S355JR),Q235(S235JR) steel H-beam: Welded or hot rolled Purlin: C&Z Purlin (C120 ... )Live load on roof(KN/M2)2)Wind speed(KM/H)3)Snow load (KG/M2)4)Earthquake load if have5 ...