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2219 Aluminum Plate is a high-strength, heat-treatable Al-Cu alloy known for its exceptional mechanical strength, excellent high-temperature performance, superior fracture toughness, and good weldability. It is widely utilized in aerospace and defense applications, including structural components, fuel tanks, and rocket motor casings, where high strength and thermal stability are critical.
2219 Aluminum Plate is a high-strength, heat-treatable Al-Cu alloy renowned for its excellent mechanical properties, high-temperature performance, and superior fracture toughness. It is widely used in aerospace and defense applications, including aircraft structural components, fuel tanks, pressure vessels, and rocket motor casings, where high strength-to-weight ratio and reliability are critical.
The alloy is available in various tempers, including O, T3, T6, T8, T87, T31, T62, and T851, with T8, T87, and T851 being common in aerospace-grade applications due to their superior stress-corrosion resistance and high tensile strength. Typical thicknesses range from 0.2 mm to 200 mm, with standard widths from 500 mm to 2800 mm, and lengths cut to customer specifications.
2219 Aluminum Plate can be supplied with different surface finishes such as mill finish, anodized, Alclad (clad with pure aluminum), chemical film, or painted surfaces, depending on corrosion resistance and aesthetic requirements. The alloy conforms to international standards including AMS-QQ-A-250/30, AMS 4066/4162/4163, and ASTM B209/B211, ensuring consistent quality and traceable material certification. Its combination of high strength, weldability, and thermal stability makes it ideal for demanding structural applications in aerospace and high-performance engineering projects.
| Alloy | 2219 (Al-Cu Series, UNS A92219) |
| Temper | O, T3, T6, T8, T87, T31, T62, T851 |
| Thickness Range | 0.2 mm – 200 mm (commonly 0.5 – 50 mm in stock) |
| Width Range | 500 mm – 2800 mm (custom sizes available) |
| Length Range | Up to 6000 mm or as per customer requirements |
| Surface Finish | Mill finish, Alclad (clad with pure aluminum), Anodized, Chemical film, Painted, Polished |
| Standard | AMS-QQ-A-250/30, AMS 4066 / 4162 / 4163, ASTM B209 / B211 |
| Application | Aerospace structural components, fuel tanks, pressure vessels, rocket motor casings, high-temperature and high-strength engineering parts |
| Alloy | Temper | Thickness (mm) | Width (mm) | Length (mm) |
|---|---|---|---|---|
| 2219 Bare | O / T31 / T81 | 0.5 mm | ~1219 mm | ~2500 mm |
| 2219 Bare / Clad | T81 / T851 | ~6.35 mm – ~152.4 mm (0.25”–6”) | ~1219 mm – ~3800 mm | Up to ~9000 mm |
| 2219 Bare | T81 / T31 / O | ~0.020” (~0.51 mm) | 48” (~1219 mm) | 144” (~3658 mm) |
| 2219 Plate | T851 | ~150 mm (6”) | ~2540 mm (100”) | Custom length |
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2219 Aluminum Plates are primarily used in aerospace and high-performance engineering applications that require a combination of high strength, excellent fracture toughness, and reliable performance at elevated temperatures. This alloy is widely applied in the manufacture of aircraft structural components, fuel tanks, bulkheads, pressure vessels, and rocket motor casings, where both strength and weldability are critical.
Because of its good weldability and thermal stability, 2219 aluminum is ideal for cryogenic and high-temperature structures, such as missile bodies, launch vehicle skins, and spacecraft propellant tanks. It is also used in military equipment and precision machined parts that operate under stress and thermal load.
In summary, 2219 aluminum plate is chosen for demanding environments in the aerospace, defense, and transportation industries, where lightweight yet high-strength materials are essential for performance and safety.
2219 Aluminum Plate is a high-strength, heat-treatable aluminum-copper alloy distinguished by its excellent mechanical strength, fracture toughness, and thermal stability. It maintains its strength properties at elevated temperatures, making it ideal for aerospace and high-temperature structural applications.
The alloy offers good weldability compared to other 2xxx series alloys, allowing for reliable joining in complex assemblies such as fuel tanks and pressure vessels. It also provides high resistance to stress-corrosion cracking in tempers such as T8, T87, and T851.
Although its corrosion resistance is moderate, it can be improved through Alclad cladding, anodizing, or chemical film treatments. 2219 aluminum also demonstrates excellent machinability and dimensional stability, ensuring consistent performance during fabrication and service.
Overall, 2219 aluminum plate combines high strength, good weldability, and superior heat resistance, making it an ideal material for aircraft structures, rocket components, and other critical engineering applications operating under demanding thermal and mechanical conditions.
