2219 T3 Aluminum
2219 T3 aluminum alloy is an aluminum alloy that has undergone solution heat treatment, strain hardening, and natural aging. It has high mechanical strength, excellent weldability, outstanding corrosion resistance, and anodizing capabilities. It is mainly used in high-performance structural fields, particularly in aerospace, space, and other high-demand industries.
2219 T3 Aluminum Characteristics
| Characteristics | Description |
| Mechanical Strength | 2219 T3 aluminum alloy has high mechanical strength, allowing it to withstand significant loads. Although its strength ranks lower than other variants of 2219 aluminum alloy, it is still superior to most aluminum alloys. As a result, 2219 T3 aluminum alloy is an ideal material for applications that require high durability and strength. |
| Weldability | 2219 T3 aluminum alloy has excellent welding properties. Due to its high strength and durability, 2219 T3 aluminum alloy provides strong and reliable joints during welding. Compared to softer aluminum alloys, welding requires more precise techniques, but with appropriate heat treatment and welding methods, optimal welding results can be achieved. |
| Corrosion Resistance | 2219 T3 aluminum alloy has exceptional corrosion resistance, especially in atmospheric and seawater environments. It effectively resists corrosion and demonstrates excellent durability in marine and humid environments, making it particularly suitable for marine applications, aerospace, and other applications exposed to harsh environments. |
| Anodizing | 2219 T3 aluminum alloy has good anodizing capabilities. Through anodizing, the surface appearance of 2219 T3 aluminum alloy can be enhanced while further improving its corrosion resistance. The oxide film generated by anodizing provides an attractive appearance and enhances the corrosion resistance of 2219 T3 aluminum alloy, making it suitable for more demanding applications. |
| Formability and Processing | Due to the high hardness of 2219 T3 aluminum alloy, it is more difficult to bend and form, especially when compared to more flexible alloys. Nevertheless, 2219 T3 aluminum alloy can still be shaped to some extent with the proper machinery and techniques. The correct forming process is crucial to ensure the performance and integrity of 2219 T3 aluminum alloy. |
2219 T3 Aluminum Applications
| Application | Description |
| Aerospace | 2219 T3 aluminum alloy is widely used in the aerospace field due to its excellent high strength and corrosion resistance. It is used for structural components of aircraft, such as fuselage structures and wing frames. 2219 T3 aluminum alloy can withstand high loads and demonstrates exceptional durability under extreme environmental conditions, making it an essential material in the aerospace industry. |
| Defense and Military | 2219 T3 aluminum alloy is widely used in defense and military equipment, particularly for structural components that require high strength, durability, and good weldability. Due to its corrosion resistance and high strength, 2219 T3 aluminum alloy is commonly used in the manufacture of armor, transport aircraft shells, ship structures, and other equipment, ensuring long-term stable performance in harsh combat environments. |
| Marine Applications | The superior seawater corrosion resistance of 2219 T3 aluminum alloy makes it an ideal choice for marine applications. 2219 T3 aluminum alloy is often used to manufacture ships, offshore platforms, and other marine structures, withstanding the corrosion from seawater and moisture while providing long-term durability and structural integrity. Its reliability in extreme marine environments makes it an indispensable material in the marine industry. |
2219 T3 Aluminum Advantages
- High mechanical strength: Suitable for structural components under heavy loads.
- Excellent corrosion resistance: Performs excellently in harsh environments.
- Outstanding weldability: Ensures reliable welding connections.
- Anodizing capability: Enhances surface quality and corrosion resistance.
- Suitable for high-vibration environments: Increases product reliability in complex environments.
- Good durability and hardness: Maintains stable performance over long-term use.
Bending and forming difficulty: Due to the alloy's high hardness, bending and forming processes require careful handling.
Higher processing difficulty: Compared to more flexible aluminum alloys, processing 2219 T3 aluminum can be more challenging, requiring appropriate techniques and tools.
2219 T3 aluminum alloy is a high-performance material suitable for demanding environments. Although its high hardness presents some challenges in forming and processing, its excellent mechanical strength, corrosion resistance, weldability, and suitability for high-vibration environments make it highly popular in aerospace, military, marine, and other harsh industries.
2219 T3 Aluminum Mechanical Properties
| Property | 2219-T3 Aluminum |
| Elastic Modulus (Young's Modulus) (GPa) | 72 |
| Elongation at Break (%) | 13 |
| Fatigue Strength (MPa) | 94 |
| Poisson's Ratio | 0.33 |
| Shear Modulus (GPa) | 27 |
| Shear Strength (MPa) | 200 |
| Tensile Strength: Ultimate (UTS) (MPa) | 330 |
| Tensile Strength: Yield (Proof) (MPa) | 220 |
2219 T3 Aluminum Thermal Properties
| Property | 2219-T3 Aluminum |
| Latent Heat of Fusion (J/g) | 390 |
| Maximum Temperature: Mechanical (°C) | 230 |
| Melting Completion (Liquidus) (°C) | 640 |
| Melting Onset (Solidus) (°C) | 540 |
| Specific Heat Capacity (J/kg-K) | 870 |
| Thermal Conductivity (W/m-K) | 110 |
| Thermal Expansion (µm/m-K) | 22 |
2219 T3 Aluminum Electrical Properties
| Property | 2219-T3 Aluminum |
| Electrical Conductivity: Equal Volume (% IACS) | 28 |
| Electrical Conductivity: Equal Weight (Specific) (% IACS) | 81 |
2219 T3 Aluminum Chemical Composition
| Element | Composition(%) |
| Si | ≤0.2 |
| Fe | ≤0.3 |
| Cu | 5.80-6.80 |
| Mn | 0.20-0.40 |
| Mg | ≤0.02 |
| Zn | ≤0.1 |
| Ti | 0.02-0.10 |
| V | 0.05-0.15 |
| Zn | 0.10-0.25 |
| Al | Remainder |
