6063 aluminum coil is a heat-treatable aluminum alloy from the Al-Mg-Si (6xxx) series, commonly referred to as an architectural alloy. It is valued for its excellent surface finish, good corrosion resistance, and outstanding extrudability. Compared with 6061, 6063 offers lower strength but superior formability and surface quality, making it ideal for applications where appearance and finishing performance are critical.
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
- Magnesium–silicon aluminum alloy
Belongs to the 6000-series aluminum alloys, with Mg and Si as the main alloying elements, optimized for excellent surface quality and extrusion performance.
- Moderate mechanical strength
Lower strength than 6061 and 6082, but sufficient for architectural and decorative applications.
- Excellent corrosion resistance
Performs well in atmospheric environments, suitable for indoor and outdoor architectural use.
- Outstanding surface finish
Provides a smooth and uniform surface, ideal for anodizing, electrophoresis, painting, and other decorative surface treatments.
- Good thermal conductivity
Supports effective heat dissipation in profiles and structural components.
- Excellent formability
Easy to bend, roll, and form, suitable for complex shapes and thin-gauge processing.
- Good weldability
Compatible with common welding methods such as TIG and MIG.
- Excellent anodizing performance
Produces bright, uniform, and aesthetically pleasing anodized surfaces, widely used in architectural applications.
Specifications
| Item | Specification |
|---|---|
| Alloy / Grade | 6063 |
| Chemical Composition (%) | Mg 0.45–0.90, Si 0.20–0.60, Fe ≤ 0.35, Cu ≤ 0.10, Mn ≤ 0.10, Cr ≤ 0.10, Zn ≤ 0.10, Ti ≤ 0.10, Al Balance |
| Series | 6000 Series (Al-Mg-Si) |
| Temper | O, T4, T5, T6 |
| Thickness (mm) | 0.5 – 150 |
| Width (mm) | 100 – 2600 |
| Length (mm) | 1000 – 12000 (Customizable) |
| Surface Finish | Mill Finish, Anodized, Polished, Painted |
| Standard | ASTM B209, EN AW-6063, 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
- Architectural panels and decorative sheets.
- Doors, windows, and curtain wall systems.
- Interior and exterior decoration..
- Furniture and display structures.
- General structural and industrial components.























