The 2024 T8510 / T8511 aluminum alloy is a copper-based (Al-Cu) wrought alloy developed for applications requiring high strength and good fatigue resistance. The T8510 and T8511 tempers are stress-relieved versions with controlled mechanical properties. This alloy is widely preferred in aerospace and defense industries, especially in structural components requiring high performance. Thanks to its high strength-to-weight ratio, it plays a critical role in aircraft fuselage elements, wing structures, and fastening components.

Corrosion resistance of the 2024 alloy is moderate and requires surface protection, especially in atmospheric conditions. Therefore, it is often used in alclad form or with surface treatments. Compared to 6061 alloy, 2024 offers higher strength but lower corrosion resistance. The 7075 alloy provides even higher strength than 2024, while its corrosion resistance is similar or slightly lower. Therefore, appropriate coating and surface protection methods are critical for extending service life.

In terms of strength, the 2024 T8510/T8511 alloy offers high tensile and yield strength. Compared to lower-strength alloys such as 5052, it provides significantly higher load-bearing capacity. However, this high strength limits its bending and forming capability. Care must be taken during cold forming processes, and suitable techniques should be used to avoid cracking. While 6061 offers better formability, 2024 provides superior mechanical strength.

Regarding machinability and coatability, the 2024 alloy offers good machinability and is advantageous in precision part manufacturing. However, its weldability is poor, and riveting or mechanical fastening methods are generally preferred instead of welding. In terms of coating, anodizing and painting can improve surface performance. Similar to 7075, its high strength requires appropriate tooling and cutting parameters during machining.

In terms of vibration response and applications, the 2024 T8510/T8511 alloy exhibits good fatigue resistance and stable behavior under vibration. These properties make it ideal for aircraft structures and components exposed to dynamic loads. It is widely used in aerospace, defense, automotive, and space industries. While 5052 offers better corrosion resistance and formability, 2024 stands out with its superior strength and fatigue performance.

Alloy Description

2024 T8510/T8511 Selection Factors

Supply Forms
The 2024 T8510/T8511 is supplied in round rods and flat bars.

• Round Rod / Flat Bar