2219 clad 0 aluminum alloy is a copper-based 2xxx series alloy distinguished by its high-temperature strength and excellent mechanical properties. The clad version is produced by adding a layer of pure aluminum on the surface to enhance corrosion resistance. This allows the alloy to be used in high-strength applications while also providing improved resistance against atmospheric and chemical corrosion. One of the main reasons for its preference in aerospace applications is its ability to retain mechanical properties even at elevated temperatures.

In terms of strength, 2219 alloy offers high tensile and yield strength due to precipitation hardening. Although relatively soft in the T0 temper condition, it gains significant strength after heat treatment. Compared to 2024 alloy, it maintains its strength better at elevated temperatures, while offering slightly lower maximum strength than 7075 but with superior weldability. Compared to 6061 alloy, 2219 provides higher strength and temperature resistance, while having similar machinability characteristics.

Regarding machinability and bending properties, 2219 clad 0 alloy exhibits excellent formability in the T0 condition. This makes it advantageous for manufacturing complex geometries. However, as the alloy is hardened, its bending capability decreases. It has similar formability to 2024 alloy but offers much better bendability than 7075. Thanks to its clad structure, it reduces the need for additional surface treatments and provides advantages in surface quality.

In terms of vibration behavior and weldability, 2219 alloy offers a well-balanced performance. Its high strength makes it resistant to crack formation under vibrational loads. While most 2xxx series alloys are difficult to weld, 2219 is an exception and performs well with TIG and MIG welding methods. This characteristic distinguishes it from alloys like 7075, which are difficult to weld.

In terms of applications, 2219 clad 0 aluminum alloy is widely used in aerospace industries, especially in rocket fuel tanks, cryogenic storage systems, high-temperature structural components, and defense applications. It is also preferred in pressure vessels and precision engineering applications. This wide range of applications is a result of its balanced mechanical, thermal, and corrosion properties.

MATERIAL COMPOSITION STANDARDS

2219 O clad can conform to the following standards:
• 2219 O Alclad Sheet; ASTM B209, UNS A92219, AMS 4096, ISO AlCu6Mn
 

Characteristic Properties of 2219 O clad: 

• Strength: High
• Machinability: Poor
• Weldability: Excellent
• Formability: Moderate
• Corrosion Resistance: Above average
• Heat Treatment: Yes
   

Some Well-Known Applications of 2219 O clad: 
Primarily in the aerospace sector,
In structural parts requiring high strength,
Used in fuel tanks and as aircraft material.
 

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We provide 2219 O clad in sheet form.
Sheet