1070 aluminum sheet belongs to the 1000 series of commercially pure aluminum, with an aluminum content of no less than 99.70%. As one of the highest-purity aluminum grades in this series, 1070 offers outstanding electrical conductivity, thermal conductivity, and corrosion resistance, making it especially suitable for applications where high conductivity and material purity are critical.
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
- High-purity aluminum (Al ≥ 99.7%)
Belongs to the 1000-series aluminum alloys, with extremely low impurity content and excellent material consistency.
- Outstanding electrical conductivity
Electrical conductivity up to approximately 62–63% IACS, making it ideal for electrical and conductive applications.
- Excellent thermal conductivity
Provides efficient heat transfer and heat dissipation for thermal management applications.
- Superior corrosion resistance
Forms a stable and dense oxide layer, offering reliable resistance to atmospheric and humid environments.
- Excellent formability and workability
Very soft and highly ductile, easy to process by bending, stamping, stretching, rolling, and deep drawing.
- Smooth and uniform surface quality
Suitable for anodizing, painting, coating, embossing, and film lamination.
- Good weldability
Compatible with common aluminum welding methods such as TIG and MIG.
Specifications
| Parameter | Description |
|---|---|
| Alloy | 1070 |
| Chemical Composition (%) | Al ≥ 99.70, Si ≤ 0.20, Fe ≤ 0.25, Cu ≤ 0.04, Mn ≤ 0.03, Mg ≤ 0.03, Zn ≤ 0.04, Ti ≤ 0.03, 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-1070 / GB/T 3880 |
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
- Electrical applications
Ideal for bus bars, electrical panels, transformer components, and other conductive parts due to high electrical conductivity.
- Architectural and building applications
Suitable for roofing, wall cladding, ceiling panels, decorative sheets, and interior panels because of excellent corrosion resistance.
- Heat transfer and thermal applications
Used in heat exchangers, heat shields, insulation panels, and other components requiring effective thermal management.
- Chemical and industrial equipment
Applicable for tanks, covers, containers, and protective panels in mild chemical environments.
- Signage and decorative products
Commonly used for nameplates, signboards, reflectors, and decorative panels with anodizing or coating treatment.
- General fabrication and forming
Excellent for bending, stamping, stretching, rolling, and deep drawing of non-structural components.
