Materials:Advanced hot-dropped galvanized steel Feature: 1,Fire-proofing、anticorrosive and durable. 2,the surface presses of veins help to firm the board Specification: Horizontal channel: Width(mm)*Height(mm)*Length(mm)*Thickness(mm) 50*(25~40) *(0.35~0.8)*3000 70*22*(0.35~0.8)*3000 75*22/25/30/35/40*(0.35~0.8)*3000 100*35/40*(0.5~1.00)*3000 150*40/45/50*(0.5~1.0)*3000 200*40/45/50*(0.5~1.0)*3000 Vertical channel: Width(mm)*Height(mm)*Length(mm)*Thickness(mm) 50*32/45/50*(0.35~1.0)*3000 70*30*(0.35~0.8)*3000 75*30/32/35/40/45/50*(0.35~0.8)*3000 100*40/45/50*(0.5~1.00)*3000 150*40/45/50*(0.5~1.2)*3000 200*45/50/55*(0.5~1.2)*3000 Wall Angles: 23*23*(0.35~0.45)*3000 25*25*0.5*3000 30*30*(0.4~0.6)*3000 32*32*(0.4~0.6)*3000 20*20*30*(0.4~0.6)*3000 Dimension options available. Triangle clip-in carrier: 27X26X0.38/0.43X4000