



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.
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 |
Description
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.
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.
















