0.3mm 0.5mm 1.2mm Thickness 3003 Coated Aluminium Coil
Introduction
The 3003 coated aluminium coil in thicknesses of 0.3mm, 0.5mm, and 1.2mm is a highly versatile, premium-grade material widely used in various industries that demand corrosion-resistant, durable, and aesthetically appealing aluminum products. The coating process enhances the inherent properties of the 3003 aluminium alloy, extending its life span, appearance, and application flexibility.
Product Description
- Alloy: 3003 Aluminium
- Thickness: 0.3mm / 0.5mm / 1.2mm
- Coating Type: Organic paint or PVDF (Polyvinylidene Fluoride) coating
- Temper: H14 / H16 (medium strength, good formability)
- Width: Usually available in custom widths up to 1500mm
- Thickness Tolerance: ±0.02mm to ±0.05mm depending on thickness
- Surface Finish: Painted, with smooth, uniform, scratch- and weather-resistant coating
Chemical Composition of 3003 Aluminium Alloy
| Element | Si | Fe | Cu | Mn | Mg | Zn | Ti | Al |
|---|---|---|---|---|---|---|---|---|
| Content % | 0.6 max | 0.7 max | 0.05 max | 1.0 - 1.5 | 0.05 - 0.20 max | 0.10 max | 0.15 max | Balance |
Mechanical Properties
| Property | Typical Value (H14 Temper) |
|---|---|
| Tensile Strength (MPa) | 130 - 180 |
| Yield Strength (MPa) | 85 - 115 |
| Elongation (%) | 8 - 12 |
| Hardness (Hv) | ~40 - 50 |
| Density (g/cm³) | 2.73 |
Features
1. Excellent Corrosion Resistance
The 3003 alloy naturally provides very good resistance to atmospheric corrosion. When coated with specialized paint layers like PVDF or polyester, the coil gains enhanced protection against UV rays, moisture, and various chemical pollutants.
2. Lightweight with Good Strength
Thanks to aluminium’s inherent lightness combined with the manganese alloying of 3003, this coil maintains a good strength-to-weight ratio, making it ideal for structural applications that require weight saving without aggravating strength issues.
3. Superior Coating Adhesion & Durability
The coil undergoes rigorous surface treatment education before painting to enhance coating adhesion. The PVDF coating withstands harsh environmental conditions including acid rain, salt spray, and extreme temperature variations, ensuring longevity without fading or peeling.
4. Excellent Formability and Workability
Medium strength temper (such as H14 or H16) allows the coil to be easily bent, roll-formed, or deep-drawn into final products as per design requirements.
5. Wide Thickness Range for Varied Demands
The availability of 0.3mm, 0.5mm, and 1.2mm thicknesses make it highly flexible for varied manufacturing processes ranging from ultra-light architectural panels to robust roofing sheets and automotive components.
Applications
Architectural and Building Industry
- Roofing sheets and cladding
- Wall panels and ceilings
- Door and window panels
- False ceilings and interior decoration
- Sunshade louvres
Construction
- HVAC ducting
- Rainwater pipes and gutters
- Elevator wall casings
Automotive Sector
- Interior decorative trims
- Body panels of commercial vehicles
- Heat shields
Electrical Industry
- Heat dissipation panels
- Electrical enclosure fronts and backs
Consumer Goods
- Appliances housing (e.g., refrigerators, microwave ovens)
- Household aluminum sheets with decorative coating
Packaging
- Cans and general packaging requiring coated aluminum for anti-corrosion
Storage and Handling Recommendations
- Store in a dry, covered area to avoid moisture contact before installation
- Handle using non-abrasive gloves to prevent scratches to the painted surface
- Optimal storage temperature is room temperature to avoid condensation risks
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