2A14 aluminum coil is a heat-treatable aluminum–copper–magnesium–silicon alloy in the 2xxx series. It is known for its very high strength, good heat resistance, and excellent machinability. Compared with 2A12, 2A14 offers higher strength, making it suitable for heavy-duty structural components and high-temperature working environments in aerospace and industrial 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
- Very High Mechanical Strength
Provides higher strength than 2A12 after heat treatment, suitable for heavy-load and high-stress structural applications.
- Good Heat Resistance
Maintains stable mechanical properties at elevated temperatures, making it suitable for components exposed to heat.
- Excellent Machinability
Easy to machine with good surface finish and dimensional accuracy, suitable for precision parts.
- Heat Treatable Alloy
Mechanical properties can be significantly improved through solution heat treatment and artificial aging.
- Reliable Performance in Structural Applications
Widely used in aviation and industrial fields with proven reliability under demanding service conditions.
Specifications
| Item | Specification |
|---|---|
| Alloy / Grade | 2A14 |
| Chemical Composition (%) | Cu 3.9–4.8, Mg 0.4–0.8, Si 0.6–1.2, Mn 0.4–1.0, Fe ≤ 0.50, Zn ≤ 0.30, Ti ≤ 0.15, Al Balance |
| Series | 2000 Series (Al-Cu-Mg-Si) |
| Temper | O, T4, T6 |
| Thickness (mm) | 0.5 – 200 |
| Width (mm) | 100 – 2600 |
| Length (mm) | 1000 – 12000 (Customizable) |
| Surface Finish | Mill Finish, Alclad, Anodized, Painted |
| Standard | GB/T 3880, ASTM B209 (Equivalent to 2014) |
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
- Aircraft structural components and fittings.
- Aerospace and aviation parts.
- High-load mechanical structures.
- Heavy-duty industrial components.
- Military and defense equipment.
