7068, also known as UNS A97068 or AMS 4331, is one of the highest strength aluminum alloys available, recognized for its exceptional mechanical properties. It conforms to international standards such as DIN 3.4344 and EN AW-7068, ensuring quality and reliability.

7068 is specifically designed for applications requiring ultra-high strength, lightweight characteristics, and good fatigue resistance, making it suitable for aerospace, defense, and other demanding industries.

7068 Sheet | Plate

7068 sheets and plates are offered in various thicknesses and dimensions. These materials are crucial for high-performance applications, including structural components in aircraft and military vehicles.

7068 Round Bar | Rod

7068 round bars and rods are available in various diameters and lengths. These products are essential for precision machining and manufacturing parts that must withstand significant mechanical stresses.

7068 Strip | Coil

Available in strips and coils, 7068 is suitable for applications requiring flexible yet high-strength materials. These forms are commonly used in aerospace and automotive components.

7068 Applications

• 7068 is widely used in aerospace applications, including airframe structures, wing components, and other critical parts due to its superior strength-to-weight ratio.

7068 Properties

• Tensile Strength: 7068 exhibits extremely high tensile strength, making it suitable for components subjected to significant mechanical stress.
• Density: Approximately 2.68 g/cm³, providing an excellent strength-to-weight ratio for demanding applications.
• Thermal Conductivity: Moderate thermal conductivity ensures stability and performance under high-temperature conditions.
• Corrosion Resistance: 7068 has good resistance to corrosion, especially when anodized, enhancing its durability in various environments.

Machining 7068

• Cutting: 7068 can be cut using high-speed steel or carbide tools. Water jet or laser cutting is recommended for precision work.
• Drilling: Utilize carbide or cobalt drills for drilling 7068. Proper cooling and lubrication are essential to maintain tool life and ensure accurate drilling.
• Turning: Carbide inserts are preferred for turning 7068. Consistent cutting speeds and adequate cooling are crucial for achieving optimal results.
• Milling: Milling operations should use carbide end mills with adequate cooling to manage heat and maintain precision during processing.
• Grinding: For grinding 7068, use diamond or CBN wheels to achieve precise tolerances and a high-quality surface finish. Adequate cooling is necessary to prevent overheating and maintain dimensional accuracy.

Chemical Composition

• Silicon (Si): Max 0.12%
• Iron (Fe): Max 0.15%
• Copper (Cu): Min 1.6%, Max 2.4%
• Manganese (Mn): Max 0.10%
• Magnesium (Mg): Min 2.2%, Max 3.0%
• Chromium (Cr): Max 0.05%
• Zinc (Zn): Min 7.3%, Max 8.3%
• Titanium (Ti): Max 0.10%
• Zirconium (Zr): Min 0.05%, Max 0.15%