The 7150 T6151 aluminum alloy is known for its high strength, excellent durability, and good corrosion resistance. As part of the aluminum-zinc alloy family, it is primarily used in aerospace, space, and high-performance structural applications. The T6151 temper, achieved through specific heat treatments, provides the alloy with high durability and hardness while maintaining machinability. These properties make the 7150 T6151 alloy ideal for heavy-load-bearing components used in demanding environments.

The 7150 T6151 aluminum alloy has limited suitability for anodizing. Its high zinc content prevents the formation of an effective oxide layer during anodizing, making it difficult to protect the alloy through this process. Therefore, other coating methods are typically used for protection. In terms of weldability, the 7150 T6151 alloy requires careful handling during welding. The high zinc content increases the risk of cracking, so special welding techniques and appropriate filler materials are necessary to minimize this risk.

In terms of bending and forming, the 7150 T6151 aluminum alloy presents challenges due to its high strength. However, with the proper processing techniques, successful bending and forming can be achieved. Additionally, the 7150 T6151 alloy is suitable for use in high-vibration environments. Its high elastic modulus and durability make it ideal for vibration-resistant components such as engine parts, chassis, and other components exposed to vibrations.

Regarding corrosion resistance, the 7150 T6151 aluminum alloy may exhibit limited resistance due to its high zinc content compared to other aluminum alloys. However, its corrosion resistance can be improved with proper surface coatings and treatments. The advantages of the 7150 T6151 alloy include high strength, durability, and lightweight properties, while its disadvantages include limited corrosion resistance and challenges in welding.

• Strength: Very good
• Machining: Good
• Weldability: Mediocre
• Formability: Poor
• Corrosion Resistance: Excellent
• Heat Treating: Yes

Some Well-Known Applications for 7150 T6151

It is used in the upper wing structures of passenger airplanes,

In the flanges of the body plate beam,

Also in landing gears as structural components.