6061 aluminum coil belongs to the 6000 series aluminum-magnesium-silicon alloy, with magnesium (Mg) content of approximately 0.8 – 1.2%, silicon (Si) 0.4 – 0.8%, and aluminum content ≥ 97.9%. This alloy features high strength, excellent corrosion resistance, and good mechanical properties, and can be strengthened by heat treatment. 6061 Aluminum Coil is widely used in aerospace, transportation, mechanical manufacturing, construction decoration, and industrial equipment, making it an ideal material for structural and load-bearing components.
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, offering a good balance of strength and corrosion resistance.
- Medium to high mechanical strength
Significantly higher strength than 1000-series aluminum, suitable for structural and load-bearing applications.
- Good corrosion resistance
Performs well in atmospheric environments and many industrial conditions, suitable for outdoor use.
- Good thermal conductivity
Provides effective heat dissipation for mechanical and structural components.
- Excellent machinability
Easy to cut, drill, mill, and machine, making it suitable for precision parts and complex fabrication.
- Good formability
Can be formed in O or T4 temper, with heat treatment applied after forming to achieve higher strength (such as T6).
- Good weldability
Suitable for common welding methods such as TIG and MIG, with stable joint performance.
- Good surface treatment performance
Suitable for anodizing, painting, and coating, producing a uniform and decorative surface finish.
Specifications
| Parameter | Description |
|---|---|
| Alloy | 6061 |
| Chemical Composition (%) | Al ≥ 97.9, Mg 0.8 – 1.2, Si 0.4 – 0.8, Cu 0.15 – 0.40, Fe ≤ 0.7, Mn ≤ 0.15, Cr 0.04 – 0.35, Zn ≤ 0.25, Ti ≤ 0.15, Others ≤ 0.15 |
| Temper | O (Soft), T4, T6, T651 |
| Thickness Range | 0.5 – 6.0 mm (customizable) |
| Width | Customizable (20 – 2000 mm) |
| Coil Weight | Customizable |
| Inner Diameter (ID) | 150 / 300 / 505 mm |
| Surface Finish | Mill Finish, Bright, Brushed, Coated, Film Laminated (optional) |
| Standard | ASTM B209 / EN AW-6061 / GB/T 3190 |
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
- Aerospace & Transportation
Aircraft structural parts, automotive components, ship panels.
- Mechanical Manufacturing
Machine frames, load-bearing structural parts, industrial equipment.
- Construction & Decoration
Curtain walls, ceilings, roofing panels.
- Industrial Equipment
Pressure vessels, storage tanks, heat exchangers.
- Other
Precision structural components, load-bearing parts.























