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Galvalume steel is also called Aluminum-Zinc Alloy Coated Steel, Zincalume steel, aluminized zinc steel (aluzinc steel), SGLC. The galvalume metal is composed of 55% aluminium, 43.4% zinc and 1.6% silicon solidified at a high temperature of 600 ° C. Its whole structure consists of aluminium-iron-silicon-zinc, forming a dense quaternary crystal of an alloy.From the point of view of the degree of coating, the Galvanized Steel Coil is mainly the zinc plated on the coating, while the coating of the Galvalume Steel Coil not only has zinc, but also has an extra part of aluminum.Galvalume steel sheet (coil) has better atmospheric corrosion resistance.
Galvalume Steel Sheet has excellent characteristics: strong corrosion resistance, 3 times that of pure Galvanized Steel Sheet; the surface has beautiful spangles, which can be used as building exterior panels.
The corrosion resistance of "Galvalume Steel Coil " is mainly because of aluminum, the protective function of aluminum. When the zinc is worn away, the aluminum forms a dense layer of aluminum oxide, preventing corrosion-resistant substances from further corroding the interior.
G550 Hot-Dipped Galvalume Steel Coil/Aluzinc Coil has a particularly smooth and silver-color spangle surface. The special aluminum and zinc coating structure makes it have excellent corrosion resistance, good heat resistance, good adhesion between the coating and the paint film, good processing performance of be punched, cut, welded, etc.
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Main Product:
Carbon Steel Plate,
Mild Steel Plate ,
Carbon Steel Coil,
Galvanized Steel Plate,
Prepainted Galvanized Steel Coil,
Galvanized Steel Sheet
