1145 aluminum coil belongs to the 1000 series of commercially pure aluminum, with an aluminum content of no less than 99.45%. It offers excellent corrosion resistance, formability, and electrical conductivity, making it a reliable and economical choice for applications requiring good purity and stable performance.
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 Aluminum Purity (≥ 99.45%)
Ensures good chemical stability and consistent material quality.
- Excellent Corrosion Resistance
Suitable for various indoor and outdoor environments.
- Good Electrical & Thermal Conductivity
Ideal for electrical and heat transfer applications.
- Very Good Formability
Suitable for bending, stamping, rolling, and general forming processes.
- Excellent Weldability
Compatible with conventional welding methods.
- Good Surface Finishing Performance
Suitable for anodizing, coating, polishing, and brushing.
Specifications
| Parameter | Description |
|---|---|
| Alloy | 1145 |
| Chemical Composition (%) | Al ≥ 99.45, Si ≤ 0.55, Fe ≤ 0.55, Cu ≤ 0.10, Mn ≤ 0.05, Mg ≤ 0.05, Zn ≤ 0.10, Ti ≤ 0.03, Others ≤ 0.05 |
| Temper | O, H12, H14, H16, H18 |
| Thickness Range | 0.2 – 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-1145 / 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
- Electrical conductors and components.
- Heat exchangers and thermal equipment.
- Architectural decoration and panels.
- Signboards and advertising materials.
- Industrial containers and general fabrication.
