Hot Rolled H-Beam Grade:Q235B,Q345B,S235JRG2,S235JR,SS400,A36,A572,A992,Gr50,S275JR/S335JR Hot Rolled H-beam h-beam, h beam steel, h-beam steel, h steel, h section steel1. Standard: GB50205-2001 ... : 100*100*6*8 ~500*500*20*253. Grade: Q235B, Q345B, S235JRG2, S235JR, SS400, A36, A572, A992 Gr50, S275JR /S335J SizeTheoreticalweight (kg/m ...