The 7150 T7751 aluminum alloy offers high strength, durability, and excellent corrosion resistance. Belonging to the aluminum-zinc alloy class, this alloy is particularly used in aerospace, space, defense industries, and high-performance structural applications. The T7751 temper provides the alloy with high durability, hardness, and stress resistance through special heat treatments, while maintaining good machinability. Its high strength-to-weight ratio makes the 7150 T7751 alloy ideal for heavy load-bearing components used under demanding conditions.

The suitability of the 7150 T7751 aluminum alloy for anodizing is limited. Its high zinc content prevents the formation of an effective oxide layer during the anodizing process, making anodic protection difficult. Instead, alternative coating methods are generally used to protect the alloy. In terms of weldability, the 7150 T7751 aluminum alloy requires careful processing during welding due to its high zinc content. By using appropriate welding techniques and filler materials, the risk of cracking during welding can be minimized.

With regard to bending and forming, the 7150 T7751 aluminum alloy requires careful processing due to its high strength. However, bending and forming operations can be successfully performed with proper processing techniques. Additionally, the 7150 T7751 alloy can be safely used in high-vibration environments. Thanks to its high elastic modulus and durability, it is suitable for use in engine components, chassis, and other vibration-exposed parts.

In terms of corrosion resistance, the 7150 T7751 aluminum alloy may have certain limitations due to its high zinc content. However, these limitations can be overcome with appropriate coatings and surface treatments, thereby enhancing the alloy’s corrosion resistance. The advantages of the 7150 T7751 aluminum alloy include high strength, durability, and light weight, while its disadvantages include limited corrosion resistance and welding difficulties.

MATERIAL COMPOSITION STANDARDS

7150 T7751 can be supplied in accordance with the following standards.
• 7150 T7751 Sheet / Plate; AMS 4252, UNS A97150, ISO AlZn6CuMgZr, ASTM B209

Characteristic Properties of 7150 T7751: 

• Strength: Very Good
• Machinability: Good
• Weldability: Average
• Formability: Low
• Corrosion Resistance: High
• Heat Treatable: Yes
   

Some Well-Known Applications of 7150 T7751: 
In ship keel structures,
In aircraft fuselage and wing structures,
Also used in the nuclear industry.
 

STOCK
We manufacture and supply 7150 T7751 in sheet form.

• Sheet / Plate