Galvanised aluminium zinc alloy steel coil
The galvalume process involves immersing the steel coil in a bath of molten aluminum, zinc, and silicon, which forms a thin layer of alloy on the surface of the steel. This layer acts as a barrier to protect the underlying steel from corrosion and rust.
Galvalume steel coils are commonly used for roofing, siding, gutters, and downspouts in residential, commercial, and industrial buildings. They are also used in automotive applications such as mufflers, heat shields, and exhaust pipes.
| Property | Description |
|---|---|
| Material | Galvanized Aluminum Zinc Alloy Steel Coil |
| Coating Type | Hot-dipped Galvalume |
| Coating Thickness | 50-150 g/m² (double-sided) |
| Tensile Strength | 300-550 MPa |
| Yield Strength | 250-450 MPa |
| Elongation | 20-40% |
| Corrosion Resistance | Excellent |
| Heat Resistance | Excellent |
| Applications | Roofing, siding, gutters, downspouts, automotive components |
| Standard | ASTM A792M, JIS G3321 |
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