Steel grade:Q235,Q345 Standard:GB, ASTM Size: min:100*100*5*8 max:800*300*10*20 Steel grade:Q235,Q345Standard:GB, ASTMSize: min:100*100*5*8 max:800*300*10*20 Length:9000mm,10000mm,12000mmproduction technology:hot rolled, cold rolled,weldedIf you have any other requests, feel free to tell us. H-beam,steel profiles