The 2017A T3 aluminum alloy is a high-strength wrought alloy belonging to the Al-Cu-Mg (aluminum-copper-magnesium) system and is widely used especially in aerospace and defense industries. The T3 temper condition is achieved by solution heat treatment followed by cold working and natural aging, providing the alloy with a good balance of strength and ductility. The 2017A alloy is preferred in applications requiring high mechanical strength while offering moderate corrosion resistance, typically enhanced with surface protection treatments.

In terms of strength, the 2017A T3 alloy is comparable to 2024-T3, while in some cases offering better machinability. Compared to 7075-T6, it has lower strength values but provides advantages in ductility and machinability. However, when compared to 6061-T6, it offers significantly higher strength but falls behind in corrosion resistance and weldability.

Corrosion resistance is one of the weaker aspects of the 2017A alloy. Due to its high copper content, it is sensitive to atmospheric and galvanic corrosion. Therefore, it is typically protected by anodizing or coating processes. In terms of coatability, it is highly suitable and its performance can be significantly improved through surface treatments.

In terms of machinability and formability, the 2017A T3 alloy is quite advantageous. It is well-suited for machining and produces clean cutting surfaces. However, its bending capability is limited due to its high strength, and there is a risk of cracking in small-radius bends. Regarding vibration behavior, it has good energy damping capacity, making it advantageous in applications involving dynamic loads.

In terms of weldability, the 2017A alloy is considered poor, and mechanical fastening is generally preferred over welding. This alloy is widely used in aerospace components, fasteners, machine parts, and structural applications requiring high strength. It is particularly preferred in aircraft structural elements and motorsport components.

MATERIAL COMPOSITION STANDARDS

2017A T3 can be available in the following standards.
• 2017A T3 Extruded Round Bar; AMS QQ-A-225/5, ASTM B221, UNS A92017A, WNR 3.1325, DIN AlCuMg1, ASTM B565, ASTM B316, ISO AlCu4MgSi (A)
• 2017A T3 Extruded Tube; AMS QQ-A-225/5, ASTM B221, UNS A92017A, WNR 3.1325, DIN AlCuMg1, ASTM B565, ASTM B316, ISO AlCu4MgSi (A)
• 2017A T3 Extruded Flat Bar; AMS QQ-A-225/5, ASTM B221, UNS A92017A, WNR 3.1325, DIN AlCuMg1, ASTM B565, ASTM B316, ISO AlCu4MgSi (A)
• 2017A T3 Extruded Wire; AMS QQ-A-225/5, ASTM B221, UNS A92017A, WNR 3.1325, DIN AlCuMg1, ASTM B565, ASTM B316, ISO AlCu4MgSi (A)
• 2017A T3 Extruded Profile; AMS QQ-A-225/5, ASTM B221, UNS A92017A, WNR 3.1325, DIN AlCuMg1, ASTM B565, ASTM B316, ISO AlCu4MgSi (A)
• 2017A T3 Sheet; ASTM B209, UNS A92017A, WNR 3.1325, DIN AlCuMg1, ISO AlCu4MgSi (A)
 

Characteristic Properties for 2017A T3:

• Strength: High
• Machinability: Very good
• Weldability: Moderate
• Formability: Very good
• Corrosion Resistance: Moderate
• Heat Treatment: Yes
   

Some Well-Known Applications for 2017A T3:
High-strength small fasteners,
Bushings,
Precision machine components.

STOCK
2017A T3 is produced/supplied in sheet, bar/flat bar, and tube/profile forms.

• Bar / Flat Bar
• Tube / Profile
• Sheet