What is Aluzinc Steel Coil?
Aluzinc steel coil, also known as aluminium-zinc coated steel, is a type of steel product that features a coating made from an aluminium-zinc alloy. This coating typically consists of 55% aluminium, 43.4% zinc, and 1.6% silicon. The combination of these metals in the coating provides the steel with enhanced properties, making it suitable for various industrial and construction applications.
Composition and Coating
- Coating: Aluzinc steel coil is coated with an alloy composed of approximately 55% aluminum, 43.4% zinc, and 1.6% silicon.
- Appearance: This composition gives Aluzinc steel a distinctive, spangled silver appearance.
- Properties: The aluminum in the coating provides enhanced barrier protection, while zinc offers sacrificial protection, combining the benefits of both metals.
Corrosion Resistance
- Superior Resistance: The aluminum content significantly improves the corrosion resistance, especially in environments exposed to high humidity or corrosive elements.
- Longevity: The combination of aluminum and zinc provides up to four times more corrosion resistance compared to galvanized steel.
Heat Resistance
- High Temperature Tolerance: Aluzinc steel can withstand higher temperatures, making it ideal for applications involving heat, such as roofing in hot climates.
Aesthetic Qualities
- Enhanced Aesthetics: The spangled silver appearance of Aluzinc steel is often preferred for architectural applications due to its modern look.
Environments Where Aluzinc Steel Coil is Superior
Marine and Coastal Areas
- Saltwater Exposure: Aluzinc steel's superior corrosion resistance makes it ideal for structures near the sea or in marine environments where salt spray and humidity are prevalent.
Industrial Environments
- Chemical Exposure: Industrial environments that release corrosive chemicals benefit from the enhanced protective qualities of Aluzinc steel, ensuring longer life and reduced maintenance.
High Humidity and Rainfall Areas
- Moisture Resistance: In regions with high humidity and frequent rainfall, Aluzinc steel offers better protection against rust and corrosion, making it suitable for roofing, cladding, and other exposed applications.
High Temperature Applications
- Heat Resistance: For applications involving high temperatures, such as industrial roofs or heat exchangers, Aluzinc steel maintains its structural integrity and appearance better than galvanized steel.
Applications and Uses of Aluzinc Steel Coils
Roofing and Cladding:
- Residential Buildings: Aluzinc steel coils are extensively used in roofing and cladding for residential homes due to their long-lasting protection against the elements and attractive finish.
- Commercial Buildings: In commercial settings, they provide robust and aesthetically pleasing solutions for exterior walls and roofs, contributing to both durability and architectural design.
Architectural Panels:
- Facades: The material is used in creating modern facades for buildings, offering a sleek, metallic look that enhances the visual appeal of structures.
- Interior Design: Aluzinc steel is also used for interior panels in industrial and commercial spaces, providing a durable and stylish finish.
Structural Components:
- Framing: Aluzinc steel is used in the structural framework of buildings due to its high strength and resistance to rust and corrosion, ensuring longevity and structural integrity.
| Category | Details |
| Thickness Range | 0.14 mm - 2.00 mm |
| Width Range | 600 mm - 1500 mm |
| Coil Weight | Up to 25 tons |
| Coil Inner Diameter | 508 mm / 610 mm |
| Coating Composition | 55% Aluminum, 43.4% Zinc, 1.6% Silicon |
| Coating Weight | AZ50 - AZ200 (50 g/m² - 200 g/m²) |
| Surface Finish | Regular Spangle, Mini Spangle, Zero Spangle |
| Surface Treatment | Chromated, Non-Chromated, Oiled, Dry, Anti-fingerprint |
| Mechanical Properties | |
| - Yield Strength | 300 - 550 MPa |
| - Tensile Strength | 300 - 600 MPa |
| - Elongation | 10% - 30% (depending on grade) |
| Spangle | Regular, Minimised, Zero |
| Coil Length | Custom lengths based on customer requirements |
| Standard Compliance | ASTM A792, JIS G3321, EN 10346 |
| Applications | Roofing, Siding, HVAC, Appliances, Automotive, Agricultural Equipment, Industrial Components |
Packing: Standard exporting sea package.
(1) Inner core with paper sleeve ID 508MM.
(2) The coil should be wrapped with waterproof paper. Then after fully wrapped with high density PE film. Then after fully covered with iron sheet with metal edge protectors, strapped with metal bands, min 4 bands horizontal, min 3bands vertical.
(3) Using buyer’s brand Labels: 3 Labels, one for steel sleeve, the others for outer shell.
Product Tags:
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AZ150+/-20 ASTM A792M CS-B Anti-Finger Print Aluzinc Steel AFP Galvalume Steel Coils Images
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