The 7449 T7951 aluminum alloy is known for its high strength, excellent durability, and superior corrosion resistance. This aluminum-zinc alloy is particularly used in industrial applications that require high performance, such as aerospace, defense, and aviation. The T7951 condition provides the alloy with high strength, hardness, and stress resistance through special heat treatments, while maintaining its machinability. Its high strength-to-weight ratio makes the 7449 T7951 alloy ideal for heavy-duty applications requiring high durability.

The suitability of the 7449 T7951 aluminum alloy for anodizing is limited. Its high zinc content prevents the formation of an effective oxide layer during the anodizing process, which makes protection by anodizing more difficult. Instead, other coating methods are typically used to protect the alloy. Regarding weldability, the 7449 T7951 aluminum alloy requires careful welding due to its high zinc content. Using proper welding techniques and filler materials can minimize the risk of cracking during welding.

In terms of bending and forming, the 7449 T7951 aluminum alloy requires careful processing due to its high strength. However, bending and forming operations can be successfully performed using proper processing techniques. Additionally, the 7449 T7951 alloy can be safely used in high-vibration environments. Its high elastic modulus and durability make it suitable for engine components, chassis, and other vibration-exposed parts.

Regarding corrosion resistance, the 7449 T7951 aluminum alloy shows high resistance in harsh conditions such as seawater and humid environments. This makes the 7449 T7951 alloy an ideal material for equipment used in marine and other humid applications. Its advantages include high strength, durability, light weight, and excellent corrosion resistance, while its disadvantages include limited weldability and forming challenges.
 

MATERIAL COMPOSITION STANDARDS

7449 T7951 is available in the following standards:
• 7449 T7951 Sheet; AMS 4299, ASTM B209, ISO AlZn8Mg2Cu, UNS A9744
 

Characteristic Properties of 7449 T7951: 

• Strength: Excellent
• Machinability: Good
• Weldability: Average
• Formability: Poor
• Corrosion Resistance: Excellent
• Heat Treatment: Yes
   

Some Well-Known Applications of 7449 T7951: 
Used in structural parts in the aerospace industry.
In the automotive industry, it is used in a limited number of components.
 

STOCK
We produce/supply 7449 T7951 in sheet form.

• Sheet