7010 T7651 aluminum alloy belongs to the Al-Zn-Mg-Cu based 7000 series and is developed for critical applications requiring high strength along with improved corrosion resistance and crack resistance. The T7651 temper refers to solution heat treatment, stress relieving, and controlled overaging. This temper is specifically applied to maximize resistance to stress corrosion cracking (SCC) and provides a safer structure compared to the T6 temper.

In terms of corrosion resistance, 7010 T7651 exhibits very high performance within the 7000 series. Its resistance to stress corrosion cracking is significantly higher than that of 7075-T6 and provides performance similar to or more balanced than T7351 in some cases. However, its general corrosion resistance is lower than that of 6000 series alloys, and protective coatings are recommended in aggressive environments.

Regarding strength and mechanical properties, 7010 T7651 offers very high strength levels, close to those of 7075. However, due to overaging, there is a slight reduction in strength compared to the T6 condition. In return, toughness, crack propagation resistance, and damage tolerance are significantly improved. Compared to 2024 alloy, it provides both higher strength and better structural reliability.

In terms of machinability, bendability, and weldability, 7010 T7651 provides moderate machinability. Machining is possible but not as easy as with 6000 series alloys. Its weldability is limited and it is generally not preferred for welded applications. Its bending capability is low, and forming operations are typically performed before heat treatment. Similar to 7075 and 7050, it is mainly used in machined and forged components.

Regarding coating ability, vibration behavior, and applications, 7010 alloy can be used with anodizing and protective coatings. Its decorative surface quality is limited, but performance can be enhanced with functional coatings. Its vibration damping capacity is low. Main application areas include aerospace industry, military applications, high load-bearing structural elements, and aircraft fuselage components. 7010 T7651 is preferred in critical engineering applications requiring high strength, SCC resistance, and safety.

MATERIAL COMPOSITION STANDARDS

The 7010 T7651 alloy can be produced according to the following standards:
• 7010 T7651 Sheet/Plate; AMS 4204, ISO AlZn6MgCu, WNR 3.4394, UNS A97010, EN 2684, DTD 5120, ASTM B209
 

Characteristic Properties of 7010 T7651: 

• Strength: Very good
• Machinability: Good
• Weldability: Poor
• Formability: Poor
• Corrosion Resistance: Very good
• Heat Treatment: Yes
   

Common Applications of 7010 T7651: 
Used in mold and model making,
Structural components in aircraft fuselages,
Used in aircraft wings and structural parts.
 

STOCK
We provide 7010 T7651 in sheet form.

• Sheet/Plate