2017 T3 aluminum alloy is an Al-Cu (Aluminum-Copper) based alloy developed for applications requiring high strength. The T3 temper condition is achieved through solution heat treatment followed by cold working. This alloy is particularly known for its high strength-to-weight ratio and holds an important place in the aerospace industry. Thanks to its mechanical properties, it provides reliable performance in structural applications.

In terms of strength, the 2017 T3 alloy exhibits values close to the 2024 alloy but generally slightly lower; however, it offers significantly higher strength compared to the 6061-T6 alloy. However, its corrosion resistance is lower than that of 5xxx series alloys (for example, 5083) and usually requires protective coating or anodization. Therefore, surface treatments are critically important in outdoor applications.

In terms of machinability, the 2017 alloy shows very good performance and is suitable for machining processes. It is especially preferred in automotive and aerospace fasteners. However, its weldability is poor, therefore mechanical joining or riveting methods are generally used. When compared to the 7075 alloy, its machinability is similar, but weldability is limited in both alloys.

The bending and forming properties are at a moderate level in the T3 temper condition. While it offers slightly better formability compared to the 2024-T3 alloy, the 6061-T6 alloy is more advantageous in this regard. In addition, it provides good results in terms of coatability (anodic oxidation and coating compatibility) and its performance can be improved with surface treatments. This feature makes it especially preferable in aerospace components.

The vibration and fatigue behavior is one of the significant advantages of the 2017 T3 alloy. It has high fatigue strength and shows stable performance in vibrating environments. Therefore, it is widely used in aircraft structural elements, connection components, and mechanical systems. In general, the 2017 alloy offers a balanced solution in engineering applications with its combination of high strength, good machinability, and adequate formability.

MATERIAL COMPOSITION STANDARDS

2017 T3 can meet the following standards:
• 2017 T3 Cold-Drawn Round Bar; AMS QQ-A-225/5, ASTM B211, UNS A92017, WNR 3.1325, DIN AlCuMg1, ASTM B565, ASTM B316, ISO AlCu4MgSi
• 2017 T3 Cold-Drawn Tube; AMS QQ-A-225/5, ASTM B211, UNS A92017, WNR 3.1325, DIN AlCuMg1, ASTM B565, ASTM B316, ISO AlCu4MgSi
• 2017 T3 Cold-Drawn Flat Bar; AMS QQ-A-225/5, ASTM B211, UNS A92017, WNR 3.1325, DIN AlCuMg1, ASTM B565, ASTM B316, ISO AlCu4MgSi
• 2017 T3 Cold-Drawn Profile; AMS QQ-A-225/5, ASTM B211, UNS A92017, WNR 3.1325, DIN AlCuMg1, ASTM B565, ASTM B316, ISO AlCu4MgSi
 

Characteristics of 2017 T3:

• Strength: Excellent
• Machinability: Above Average
• Weldability: Moderate (Filling welding and brazing preferred)
• Formability: Good
• Corrosion Resistance: Moderate (Improved with coating)
• Heat Treatment: Yes
   

Common Applications of 2017 T3:
Used in rivets and fasteners, coat hangers,
as aerospace material,
and in the transportation sector, including military equipment and vehicles.
 

Stock
2017 T3 is available and supplied in sheet, bar/flat, and tube/profile forms.

• Bar / Flat
• Tube / Profile