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What material is aluminum 7075-T6?

December 29, 2023

What material is aluminum 7075-T6?

Aluminum 7075-T6 is a high-strength aluminum alloy whose material specifications have been standardized. Composed primarily of aluminum, zinc, magnesium, copper and other elements, this alloy has excellent mechanical properties and is particularly suitable for applications requiring high strength and lightweight. Here are some key features of Aluminum 7075-T6:

1. High strength: Aluminum 7075-T6 alloy has very high tensile strength, usually reaching more than 75,000 psi (about 517 MPa). This makes it an ideal material for applications requiring high strength and low density, such as aerospace and high-performance mechanical components.

2. Lightweight: Aluminum is a lightweight metal, and aluminum 7075-T6 has an excellent strength-to-weight ratio. Therefore, it is widely used in aerospace, automotive manufacturing and other fields that require lightweight design.

3. Corrosion resistance: Although not as excellent as stainless steel, aluminum 7075-T6 alloy still has some corrosion resistance, especially in dry environments. However, in humid or corrosive environments it may require additional protection.

4. Hardness: Aluminum 7075-T6 has high hardness and usually requires high cutting speeds and tools to process. This also makes it suitable for use in the manufacture of high-performance parts and structural components.

5. Heat treatability: Aluminum 7075-T6 can be heat treated to further improve its strength and hardness. T6 status indicates that it has undergone heat treatment, which usually includes quenching and artificial aging.

6. Aircraft and aerospace applications: Due to its excellent strength and lightweight properties, aluminum 7075-T6 is commonly used in aircraft structures, aircraft parts, rocket components, and other aerospace applications.

It should be noted that although aluminum 7075-T6 has excellent strength, it also has a relatively high cost. Therefore, when selecting materials, careful consideration must be given to the needs of the application, especially to find a balance between strength, weight and cost.

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