1100 1050 Plain Color Coated Aluminum Sheet
In the realm of coated aluminum sheets, the 1100 and 1050 plain color coated aluminum sheets is know as exemplary products renowned for their superb corrosion resistance, excellent thermal and electrical conductivity, and outstanding surface finish quality. These alloys, enhanced through advanced coating technologies, offer an ideal balance of aesthetic appeal and functional robustness, making them indispensable across various industries.
the Alloys: 1100 and 1050 Aluminum Series
Both 1100 and 1050 belong to the commercially pure aluminum category with aluminum content exceeding 99%. Their high purity ensures remarkable corrosion resistance and formability, making them particularly suitable for processes like anodizing or coating. 1100 is slightly superior in mechanical strength compared to 1050, which is softer and more ductile — an attribute favorable in applications requiring intricate shaping.
Alloy Temper and Mechanical Properties
The temper designation significantly dictates the mechanical performance of these aluminum sheets:
| Alloy | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
|---|---|---|---|---|
| 1050 | H14 | 85-110 | 40-55 | 10-20 |
| 1100 | H14 | 95-130 | 50-70 | 10-18 |
The common temper used for coated sheets like these is H14 (strain-hardened followed by partial annealing). It provides a pragmatic compromise — offering enough strength for structural stability while maintaining adequate ductility required during coating and fabrication.
Surface Treatment: Plain Color Coating
The plain color coating applied on 1100 and 1050 aluminum sheets enhances both aesthetics and durability. Utilizing high-quality PVDF (polyvinylidene fluoride) or polyester coatings:
- Color Stability: The coatings offer UV resistance which maintains vibrant hues over extended outdoor exposure.
- Weatherability: Resistant to oxidation, chalking, and cracking under fluctuating temperature and moisture conditions.
- Fatigue Strength: A well-bonded coating inhibits micro-cracking on the aluminum substrate during cyclic loading.
- Corrosion Protection: Forms a chemical barrier preventing the ingress of corrosive agents like salt spray in marine environments.
Chemical Composition
A precise composition dictates the performance aspects mentioned above, generally as follows:
| Element | Composition in 1050 (%) | Composition in 1100 (%) |
|---|---|---|
| Aluminum (Al) | ≥ 99.5 | ≥ 99.0 |
| Iron (Fe) | ≤ 0.4 | ≤ 0.95 |
| Silicon (Si) | ≤ 0.25 | ≤ 0.95 |
| Copper (Cu) | ≤ 0.05 | ≤ 0.05 |
| Manganese (Mn) | ≤ 0.05 | ≤ 0.05 |
| Others | ≤ 0.15 | ≤ 0.05 |
These strict chemical parameters serve industry-sanctioned standards ensuring uniform product quality.
Implementation Standards
Consistent quality is guaranteed by adherence to internationally recognized standards such as:
- ASTM B209: For Aluminum and Aluminum-Alloy Sheet and Plate, specifying dimensional tolerances, mechanical properties, and chemical requirements.
- EN 485: European standard for aluminum and aluminum alloys flat products — mechanical properties and tolerances.
- JIS H4100: Specifies aluminum rolled products including chemical composition and mechanical characteristics.
Being compliant with such robust standards assures users of the product’s fitness for precision application environments.
Application Spectrum
The 1100 and 1050 plain color coated aluminum sheets find applications differentiated by the necessity for wear resistance, visual appeal, and environmental durability:
- Architectural Cladding & Facades: Superior weather resistance and colorful finish lend modern aesthetics to building exteriors.
- Signage and Advertising Panels: Excellent formability enables last-mile shape customization, providing vibrant brand visuals.
- Home Appliances: Durable coated aluminum effectively withstands scratches and provides attractive appearances for refrigerators, air conditioners, and kitchen hoods.
- Transportation Industry: Interior trims and components use coated sheets to reduce weight while providing appealing finishes.
- Packaging Industry: Rigid yet lightweight sheets are ideal for beverage cans, aerosol containers, offering protective coating benefits that extend shelf life.
- Outstanding corrosion resistance from alloy purity and coating barrier.
- Excellent workability owing to annealed temper states.
- Long-lasting color vibrancy tailored to harsh environments.
- Compliance with global standards for operation consistency.
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