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High-Strength 7075 Aluminum Forged Parts

Last Updated: 2023-11-26

7075 aluminum alloy is a high-strength material that is widely used in aerospace and other demanding applications. One of the most preferred forms of 7075 aluminum is the forged component, which is known for its high levels of mechanical strength and fatigue resistance.

Chemical Composition

The chemical composition of 7075 aluminum alloy is as follows:

- Zinc (Zn): 5.6%
- Magnesium (Mg): 2.5%
- Copper (Cu): 1.6%
- Chromium (Cr): 0.23%
- Iron (Fe): 0.5%
- Silicon (Si): 0.4%
- Manganese (Mn): 0.3%
- Titanium (Ti): 0.2%
- Other Elements: 0.15% each

The combination of these elements gives 7075 aluminum alloy its superior strength and resistance to corrosion.

Mechanical Properties

7075 aluminum forged components have excellent mechanical properties, including:

- Ultimate Tensile Strength: 83 ksi (572 MPa)
- Yield Strength: 73 ksi (503 MPa)
- Elongation: 11%
- Fatigue Strength: 68 ksi (469 MPa)

These properties make 7075 aluminum forged components ideal for high-stress applications where strength and durability are critical.


Prodsuct Applications

7075 aluminum forged components find their use in a variety of applications, such as:

- Aircraft Structures: 7075 aluminum forged components are extensively used in the construction of aircraft and spacecraft structures, including fuselage frames, wing skins, and landing gear.
- High-Performance Auto Parts: 7075 aluminum forged components are used in high-performance auto parts such as suspension, brakes, and wheels.
- Sports Equipment: 7075 aluminum forged components are used in sports equipment like baseball bats, tennis rackets, and bicycle frames to improve their durability and performance.
- Military and Defense: 7075 aluminum forged components serve various military applications like tanks, armored vehicles, and missile parts.


In conclusion, 7075 aluminum forged components are high-strength, lightweight, and an excellent choice for demanding applications where strength and fatigue resistance are essential. With a perfect blend of chemical composition and mechanical properties, 7075 aluminum forged components offer a superior and reliable solution compared to other materials.

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