7005 aluminum coil is a high-strength Al-Zn-Mg series aluminum alloy, belonging to the 7000 series. Unlike many other 7000 series alloys, 7005 aluminum can achieve good mechanical strength without complex heat treatment, making it easier to process and weld. It offers an excellent balance of strength, corrosion resistance, and formability, and is widely used in transportation and structural 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 mechanical strength
Stronger than 6061 and 6082, suitable for structural, load-bearing, and aerospace-related applications.
- Good corrosion resistance
Provides adequate resistance to atmospheric corrosion; can be enhanced through anodizing or protective coatings.
- Good formability and workability
Can be rolled, bent, stamped, and extruded for medium-to-thin gauge applications.
- Lightweight material
Low density helps reduce overall weight while maintaining strength and durability.
- Smooth and uniform surface finish
Ideal for anodizing, painting, coating, or film lamination for both decorative and functional purposes.
- Good weldability
Compatible with TIG and MIG welding under proper conditions.
Specifications
| Item | Description |
|---|---|
| Alloy | 7005 |
| Chemical Composition (%) | Al Balance, Zn 4.0–5.0, Mg 1.0–1.8, Mn 0.2–0.7, Fe ≤ 0.40, Si ≤ 0.35, Cu ≤ 0.10, Cr ≤ 0.20, Ti ≤ 0.10, Others ≤ 0.15 |
| Alloy Series | 7000 Series (Al–Zn–Mg) |
| Temper | O / T5 / T6 |
| Thickness Range | 0.5 – 6.0 mm (customizable) |
| Width | Up to 2000 mm (customizable) |
| Coil ID | 508 / 610 mm (standard) |
| Surface Finish | Mill finish, anodized, painted, coated |
| Form | Coil / Sheet (cut-to-length available) |
| Standards | ASTM B209 / EN 485 / 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
Ideal for weight-sensitive applications.
- Transportation
Truck bodies, trailer panels, rail transit components.
- Bicycle & Sports Equipment
Bicycle frames, high-strength sports structures.
- Structural Applications
Load-bearing frames, support structures.
- Automotive Industry
Lightweight structural parts.
- Industrial Equipment
High-strength panels and components.
