1> H ,T, C,Section :STeel 2> Type :Q235 ,Q 345B 3>Standard: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*8mm125*125*6.5*9 mm148*100*6*9150*75*5*7mm150*150*7*10mm175*90*5*8mm175*175*7.5*11mm200*100*5.5*8mm200*204*12*12mm250*250*9*14mm298*149*5.5* ...