2219 clad T8 is the T8 processed form of the 2219 aluminum alloy. This alloy offers very high mechanical strength and durability due to its high copper content and special heat treatment. In particular, the ultimate tensile strength is approximately ~450 MPa, and the yield strength is around ~330 MPa. These strength values make 2219 clad T8 suitable for structural parts that require high load-bearing capacity.

In terms of machinability, the 2219 T8 alloy is relatively workable. Although the alloy has undergone heat treatment, operations such as turning, milling, and drilling can be performed. Additionally, this alloy can be welded, providing assembly and manufacturing flexibility. This combination — high strength + reasonable machinability + weldability — makes it ideal for producing complex-shaped, precise, and high-strength parts.

Regarding corrosion resistance, the 2219 alloy has certain aspects that require attention. Its high copper content can make the alloy sensitive in some corrosive environments — especially seawater, humid conditions, or exposure to aggressive chemicals. However, the "clad" version, with pure aluminum or a suitable protective coating, provides surface protection and reduces the risk of galvanic corrosion; this allows the alloy to be used in more demanding environments. In particular, for outdoor or maritime applications, using clad 2219 significantly improves corrosion resistance.

The main applications of 2219 clad T8 are mostly in the aerospace and space industries. It is preferred for critical components such as rocket bodies, fuel tanks, structural parts operating under high temperature and stress, and spacecraft components. Additionally, it can be used in automotive, defense, and other industrial applications requiring high strength; however, in such cases, corrosion control should be carefully planned using "clad" or additional surface protection measures.
 

MATERIAL COMPOSITION STANDARDS

2219 T8 clad can be available under the following standards:
• 2219 T8 Alclad Sheet; ASTM B209, UNS A92219, ISO AlCu6Mn, MIL-A-22771
 

Characteristic Properties of 2219 T8 clad: 

• Strength: Very good
• Machinability: Poor
• Weldability: Very good
• Formability: Moderate
• Corrosion Resistance: Significant
• Heat Treatment: Yes
   

Well-Known Applications of 2219 T8 clad: 
Used in liquid oxygen and liquid hydrogen containers,
In aircraft landing gear and fuselage components,
In fuel tanks and welding applications requiring high strength.
 

​STOCK
We produce/supply 2219 T8 clad in sheet form.​

• Sheet