I. Product Introduction
Galvalume steel sheets are cold-rolled steel sheets coated with a hot-dip alloy coating composed of 55% aluminum, 43.4% zinc, and 1.6% silicon. The surface has a silvery-white luster with a uniform, fine zinc-flower texture.
Performance Advantages
| Performance | Key Benefits |
|---|---|
| Corrosion Resistance | Service life is 4-6 times longer than ordinary galvanized steel |
| Heat Resistance | Withstands up to 315°C without discoloration or oxidation |
| Heat Reflectivity | Heat reflectivity up to 80%, energy saving and consumption reduction |
| Workability | Suitable for stamping, bending, shearing, and welding; excellent coating adhesion |
Standards: EN 10346 (DX51D+AZ), ASTM A792M, JIS G3321
Common Specifications
| Parameter | Common Specification Range |
|---|---|
| Thickness | 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.8mm, 1.0mm, 1.2mm, 1.5mm, 2.0mm |
| Width | 914mm, 1000mm, 1219mm, 1250mm, 1500mm |
| Coating Weight | AZ50, AZ70, AZ100, AZ120, AZ150, AZ185 (g/m², both sides) |
| Grade | DX51D+AZ, DX52D+AZ, S250GD+AZ, S350GD+AZ, S550GD+AZ |
| Coil ID | 508mm / 610mm |
| Coil Weight | 3-8 tons |
II. Main Applications
Construction: Metal roofing for industrial buildings, exterior wall cladding, light-gauge steel framing, greenhouse structures
Home Appliance Sector: Refrigerator back panels, outdoor air conditioner units, microwave ovens, electrical distribution cabinets
Transportation Sector: Automotive mufflers, exhaust pipes, highway sound barriers
Industrial Sector: Solar panel mounting brackets, ventilation ducts, warehouse shelving
III. Precautions
During storage and transportation, keep the product dry and protect it from rain and moisture to prevent surface oxidation that may affect performance.
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