7010 T74511 aluminum alloy belongs to the Al-Zn-Mg-Cu based 7000 series and is a high-strength alloy optimized especially for extrusion products. The T74511 temper refers to solution heat treatment, stress relieving, controlled overaging, and subsequent slight straightening. This temper provides dimensional stability in extruded products while offering a balanced combination of stress corrosion cracking (SCC) resistance and mechanical performance.

In terms of corrosion resistance, 7010 T74511 shows high performance within the 7000 series. Its SCC resistance is significantly higher than that of 7075-T6 and behaves similarly to T7451. However, its general corrosion resistance is lower than that of 6000 series alloys such as 6082 or 6061. Therefore, protective coatings or surface treatments are recommended, especially in aggressive and marine environments.

Regarding strength and mechanical properties, 7010 T74511 offers very high strength levels, close to those of 7075. Although there is a slight reduction in strength compared to the T6 temper, toughness, crack propagation resistance, and damage tolerance are significantly improved. Compared to 2024 alloy, it provides higher strength and better structural reliability.

In terms of machinability, bendability, and weldability, 7010 T74511 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. As it is commonly used in extruded form, it is mainly preferred in profiles and long products.

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 extruded profiles, and aircraft structural components. 7010 T74511 is an ideal alloy for extrusion products requiring high strength and SCC resistance.

STANDARDS OF MATERIAL COMPOSITION

7010 T74511 can be supplied in the following standards.
• 7010 T74511 Extrusion Round Bar; DTD 5130, EN 3337, ISO AlZn6MgCu, WNR 3.4394, UNS A97010, ASTM B209
• 7010 T74511 Extrusion Flat Bar; DTD 5130, EN 3337, ISO AlZn6MgCu, WNR 3.4394, UNS A97010, ASTM B209
• 7010 T74511 Extrusion Wire; DTD 5130, EN 3337, ISO AlZn6MgCu, WNR 3.4394, UNS A97010, ASTM B209
• 7010 T74511 Extrusion Tube; DTD 5130, EN 3337, ISO AlZn6MgCu, WNR 3.4394, UNS A97010, ASTM B209
 

Characteristic Properties of 7010 T74511: 

• Strength: Excellent
• Machinability: Average
• Weldability: Poor
• Formability: Low
• Corrosion Resistance: Very good
• Heat Treatment: Yes
   

Some Well-Known Applications of 7010 T74511: 
ABS braking systems,
Aircraft wings and fuselages,
Also used in the machinery and chemical industries.
 

STOCK
7010 T74511 is produced/supplied in rod/flat bar and tube/profile forms.

• Rod / Flat Bar
• Tube / Profile