Galvalume Steel Coil

HONGSHENG'S Galvalume  is a highly corrosion resistant coated steel with the addition of aluminium (passivation protection) to zinc, with a composition of 55% aluminium, 43.5% zinc and 1.5% silicon, which combines the barrier protection and extended durability of aluminium with the galvanic protection of zinc.   Galvalume has excellent resistance to atmospheric corrosion. It's corrosion resistance is 2-4 times that of galvanized steel, and has the high temperature corrosion resistance of aluminium, smooth surface and good appearance.