7475, also known as UNS A97475 or AMS 4201, is a high-strength aluminum alloy recognized for its excellent mechanical properties, particularly in applications requiring high strength-to-weight ratios. It adheres to standards such as DIN 3.4345 and EN AW-7475, ensuring compliance with international quality standards.

7475 is specifically designed for applications requiring high strength, good fatigue resistance, and good corrosion resistance, making it ideal for aerospace and structural applications.

7475 Sheet | Plate

7475 sheets and plates are available in various thicknesses and dimensions. These materials are essential for high-strength applications, including aircraft structures and other critical components.

7475 Round Bar | Rod

7475 round bars and rods are available in various diameters and lengths. These products are crucial for precision machining and manufacturing components subjected to significant mechanical stresses.

7475 Strip | Coil

Available in strips and coils, 7475 is suitable for applications requiring flexible and high-strength materials. These forms are commonly used in aerospace and military components.

7475 Applications

• 7475 is extensively used in aerospace applications, including airframes, wing structures, and critical load-bearing components due to its high strength and lightweight nature.

7475 Properties

• Tensile Strength: 7475 exhibits high tensile strength, making it suitable for components subjected to significant mechanical stress.
• Density: Approximately 2.80 g/cm³, providing a favorable strength-to-weight ratio for demanding applications.
• Thermal Conductivity: Moderate thermal conductivity ensures stability and performance under high-temperature conditions.
• Corrosion Resistance: 7475 offers good resistance to corrosion, particularly when anodized or coated, enhancing its durability in various environments.

Machining 7475

• Cutting: 7475 can be cut using high-speed steel or carbide tools. Techniques such as water jet cutting or laser cutting are recommended for precision work.
• Drilling: Utilize carbide or cobalt drills for drilling 7475. Proper cooling and lubrication are essential to maintain tool life and ensure accurate drilling.
• Turning: Carbide inserts are preferred for turning 7475. Consistent cutting speeds and high-pressure 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 7475, 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 0.10%
• Iron (Fe): Max 0.12%
• Copper (Cu): Min 1.20%, Max 1.90%
• Manganese (Mn): Max 0.06%
• Magnesium (Mg): Min 1.90%, Max 2.60%
• Chromium (Cr): Min 0.18%, Max 0.25%
• Zinc (Zn): Min 5.20%, Max 6.20%
• Titanium (Ti): Max 0.06%
• Aluminum (Al): Balance