The 2017-T4 aluminum alloy belongs to the Al-Cu-Mg (Aluminum-Copper-Magnesium) series and is preferred especially in applications requiring high strength. The T4 temper condition refers to solution heat treatment followed by natural aging. This alloy is widely used in aerospace and defense industries, offering a combination of high mechanical strength and moderate corrosion resistance. Being part of the 2xxx series, it provides reliable performance in structural applications.

Corrosion resistance of the 2017-T4 alloy is lower compared to pure aluminum alloys but can be improved with appropriate surface treatments. Especially anodizing and coating processes enhance its resistance to environmental conditions. In terms of strength, 2017-T4 has higher tensile strength than 6061-T6 but slightly lower than 2024-T3. Therefore, it is an ideal choice for medium-to-high strength applications where extreme loads are not present.

In terms of machinability, the 2017-T4 alloy performs very well and is preferred in machining operations. Its free-cutting characteristics allow for high surface quality. The bending capability is relatively good in the T4 condition, although it does not exhibit as much ductility as 5xxx series alloys. For example, compared to 5052 alloy, it has lower formability but offers higher strength.

Regarding coating and surface treatment, the 2017-T4 alloy provides successful results with proper pre-treatments. Especially anodizing increases surface hardness and corrosion resistance. In terms of vibration response (fatigue behavior), this alloy offers good fatigue resistance and performs stably under dynamic loads. This makes it suitable for aircraft components and mechanical parts.

Weldability is one of the weak points of this alloy; 2017 is not very suitable for welding, and mechanical fastening methods are generally preferred. Its applications include aerospace components, automotive parts, machinery equipment, and structural elements requiring high strength. Compared to 7075-T6, it has lower strength but better machinability; compared to 6061-T6, it offers higher strength but lower corrosion resistance.

Selection Factors for 2017 T4

• Plate/Sheet
• Bar / Round Bar / Flat Bar
• Tube/Profile