1070 aluminum coil belongs to the 1000 series of high-purity aluminum, with an aluminum content of no less than 99.7%. This alloy is known for its excellent corrosion resistance, outstanding workability, and good electrical and thermal conductivity, making it suitable for construction, decoration, electrical equipment, industrial manufacturing, and packaging applications. The coil is easy to process and suitable for rolling, stamping, stretching, and bending, making it a foundational material in high-purity aluminum applications.
Description
Yutwin New Materials specializes in the production of aluminum coils and sheets 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, offering extremely low impurity content and excellent material consistency.
- Outstanding electrical conductivity
Electrical conductivity up to approximately 62–63% IACS, making it especially suitable for electrical and conductive applications.
- Excellent thermal conductivity
Enables efficient heat transfer and dissipation, ideal for heat exchangers, heat sinks, and thermal management components.
- Superior corrosion resistance
Forms a stable and dense oxide film, providing reliable resistance to atmospheric corrosion and humid environments.
- Excellent formability and easy processing
Very soft and highly ductile, suitable for stamping, bending, stretching, rolling, and deep drawing, even for complex shapes and thin gauges.
- Smooth and uniform surface quality
Suitable for anodizing, coating, painting, and film lamination, meeting both functional and decorative requirements.
- Good weldability and joining performance
Compatible with common welding methods such as TIG and MIG, ensuring efficient fabrication and stable joints.
Specifications
| Parameter | Description |
|---|---|
| Alloy | 1070 |
| Chemical Composition (%) | Al ≥ 99.7, Fe ≤ 0.30, Si ≤ 0.25, Cu ≤ 0.05, Mn ≤ 0.03, Zn ≤ 0.10, Ti ≤ 0.03, Others ≤ 0.05 |
| Temper | O (Soft) |
| Thickness Range | 6 – 100 μm (commonly 9 / 12 / 15 μm) |
| Width | Customizable |
| Coil Weight | Customizable |
| Surface Finish | Bright / Matte |
| 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.
Applications
- Construction & Decoration
Curtain walls, ceilings, decorative panels.
- Electrical Industry
Busbars, conductors, transformer components.
- Packaging Materials
Food containers, lids, packaging sheets.
- Industrial Manufacturing
Stamped parts, sheet metal components, equipment enclosures.
- Heat Dissipation & Conductivity
Heat sinks, heat exchangers.
- Transportation & Equipment
Signboards, reflectors, equipment housings.
