1100 aluminum sheet belongs to the 1000 series of pure aluminum alloys, featuring an aluminum content of over 99.00%. Due to its exceptionally high purity, the alloy retains the outstanding characteristics of pure aluminum, making it one of the most widely used rust-resistant pure aluminum sheets in industrial applications. Renowned for its excellent formability, superior corrosion resistance, and exceptional electrical and thermal conductivity, it is an ideal choice for applications requiring high ductility and lightweight properties.
Description
Yutwin New Materials specializes in the production of aluminum sheets and coils in a wide range of alloys, grades, and specifications, offering stable quality, flexible customization, and reliable supply to meet the diverse needs of different industries.
Features
- Excellent Machinability and Formability
It offers outstanding ductility and deep-drawing capabilities, allowing for easy processing—such as rolling, stretching, cold bending, stamping, and welding—while ensuring a smooth, flat surface finish.
- Superior Corrosion and Oxidation Resistance
It demonstrates exceptional corrosion resistance in atmospheric and humid environments, as well as against various chemical media; it maintains stable oxidation resistance at high temperatures, ensuring a long service life.
- Excellent Electrical and Thermal Conductivity
Ranking among the best of common metals for both electrical and thermal conductivity, it is a preferred base material for manufacturing high-efficiency heat exchangers and electrical components.
- Easy Surface Treatment
It is highly suitable for surface finishing processes such as anodizing, spraying, embossing, or brushing, delivering outstanding decorative results.
Specifications
| Parameter | Description |
|---|---|
| Alloy | 1100 |
| Chemical Composition (%) | Al ≥ 99.00, Si + Fe ≤ 1.00, Cu ≤ 0.20, Mn ≤ 0.05, Zn ≤ 0.10, Others ≤ 0.05 |
| Temper | O, H12, H14, H16, H18 |
| Thickness Range | 0.2 – 6.0 mm (customizable) |
| Width | Customizable (20 – 2000 mm) |
| Length | 2000 – 6000 |
| Surface Finish | Mill Finish, Bright, Brushed, Coated, Film Laminated (optional) |
| Standard | ASTM B209 / EN AW-1100 / GB/T 3880 |
Mechanical Property
| Tensile Strength (σb) | ≥95 MPa |
| Yield Strength (σ0.2) | ≥50 MPa |
| Elongation (50 mm) | ≥9% |
Common Aluminum Surface Treatments

Polishing
Polishing uses mechanical grinding, chemical, or electrochemical methods to improve the smoothness and brightness of aluminum surfaces. Polished aluminum features a high-gloss finish and excellent decorative appearance.

Brushing
Brushing is a surface treatment process that creates fine, directional textures on aluminum using abrasive belts or brushes. The brushed surface provides a refined metallic appearance while helping conceal minor scratches.

Coating
Coating applies a protective coating onto the aluminum surface through powder coating, liquid spraying, or other coating methods. It provides excellent weather resistance, corrosion protection, and a wide range of color options. Coated aluminum offers both decorative appeal and long-term durabilit.

Anodizing
Anodizing is an electrochemical process that forms a dense oxide layer on the aluminum surface, improving corrosion resistance, wear resistance, and surface hardness. The oxide layer can also be colored to achieve various finishes.

Sand Blasting
Sand blasting uses high-speed abrasive particles to impact the aluminum surface, creating a uniform matte texture. This process provides a soft metallic appearance, reduces fingerprint marks, and improves coating adhesion for subsequent finishing processes.

Embossing
Embossing is a process that forms raised or recessed patterns on aluminum surfaces through rolling or stamping. Common patterns include stucco, diamond, and wood grain textures. Embossed aluminum offers excellent decorative effects, scratch resistance, and certain anti-slip properties.
Typical Applications
- Heat Exchange and Cooling Systems
Heat exchangers, condensers, heat sinks, and chemical industry vessels.
- Electrical and Electronic Enclosures
Instrument panels, capacitor housings, PCB substrates, and protective covers for small appliances.
- Consumer Goods and Food Packaging
Kitchenware, tableware, deep-drawn metal lids, and food-grade packaging containers.
- Construction and Architectural Hardware
Curtain wall panels, ceiling panels, signage, and various stamped parts.























