Call Us Now
+86 182 9791 0985
Galvalume Steel Sheet
Galvalume Steel Sheet
Galvalume steel sheet is a flat steel sheet coated with an aluminum-zinc-silicon alloy layer through a hot-dip process. It offers excellent corrosion resistance, heat resistance, and formability. With a smooth, silver-gray surface, it provides high dimensional accuracy and flatness. Usually supplied in standard sizes, it is suitable for direct use in building walls, roofing, and appliance exteriors, offering long-lasting protection in exposed environments.
Product Specifications
| Item | Description |
| Thickness | 0.12 mm – 2.5 mm |
| Width | Common widths 600 mm – 1250 mm, customizable |
| Length | Fixed sheet lengths, typically 1m to 6m |
| Coating Composition | 55% Aluminum, 43.4% Zinc, 1.6% Silicon alloy |
| Coating Weight | AZ50 – AZ150 g/m² |
| Standards | ASTM A792 / JIS G3321 / EN 10346 |
| Surface Type | Smooth flat, orange peel, crystalline textures, various options |
Need A Custom Quote
Or more information about this product? Contact our sales staff today!
More Details
Advantages
High corrosion resistance: Ideal for long-term use to prevent rust and oxidation.
Dimensional stability: Fixed length and width facilitate direct use in finished product manufacturing.
Smooth surface: Ideal for coating and direct use, ensuring appearance and coating adhesion.
Good processability: Supports cold bending, stamping, cutting, and more.
Long service life: Low maintenance cost and extended service life.
Applications
Building roofs and wall panels: Used for metal roofs and curtain walls.
Appliance panels: Major material for refrigerator, washing machine, and air conditioner shells.
Interior decoration panels: Used in ceilings, partitions, etc.
Industrial equipment: Machine covers and protective enclosures.
Manufacturing Process
Sheet production mainly involves cutting cold-rolled steel coils into fixed-size sheets, followed by strict surface preparation, then hot-dip coating with an aluminum-zinc-silicon alloy that evenly covers the sheet surface, cooling and setting, with optional post-treatment for protection. Due to their uniform thickness and smooth surface, sheets are ready for finished product manufacturing.
