Green Anti-finger Print Stone Coated Tile Galvalume Steel S350GD S550GD, Grade50 Aluzinc Steel GL Roof Panels Villa Roof

Green Anti-finger print Stone Coated Tile Galvalume Steel S350GD S550GD,

Grade50 Aluzinc Steel GL Roof Panels Villa Roof

What is aluminium-zinc plated sheet

Aluminium-zinc plated sheet is a steel plate plating on the basis of zinc with the addition of aluminium (passivation protection), the general composition of 55% aluminium, 43.5% zinc, 1.5% silicon, with excellent resistance to atmospheric corrosion, corrosion resistance of galvanized sheet 2-5 times, but also has the high temperature corrosion resistance of aluminium plate, smooth surface, good appearance, but the formation of its plating and resistance to welding a little worse. In foreign countries generally about 40% of aluminium zinc plating used directly, about 60% of the plate is further as a colour coated substrate.

Aluminum-zinc-plated light steel exhibits several outstanding characteristics:

• Strong Corrosion Resistance: It provides corrosion resistance three times stronger than pure galvanizing. The surface features attractive zinc flowers and is suitable for use as exterior panels on building roofs.
• Long-term Color Stability: Designated as AZ150, aluminum-zinc-plated steel plates maintain their color over extended periods, resisting chemical corrosion. When exposed, a physical reaction occurs, forming a protective aluminum oxide film on the surface. This film isolates the steel from external chemicals, preventing rust and preserving the integrity of the material.
• Mechanism of Corrosion Resistance: Aluminum primarily contributes to its robust corrosion resistance. In the event of zinc abrasion, aluminum reacts to form a dense layer of aluminum oxide, effectively preventing further corrosion of the underlying steel.

These properties make aluminum-zinc-plated light steel a durable and protective choice for various applications, particularly where corrosion resistance and aesthetic appeal are crucial.

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