7075 - Plus Metals

7075 - UNS A97075 / AMS 4045 / AMS 4123 / AMS 4124 / DIN 3.4365 / EN AW-7075 / BS L95

7075, also known as UNS A97075 or AMS 4045, is a high-strength aluminum alloy that exhibits excellent mechanical properties. It is recognized under AMS 4123, AMS 4124, DIN 3.4365, EN AW-7075, and BS L95, ensuring adherence to international standards.

7075 is specifically designed for applications requiring high strength-to-weight ratios and resistance to stress corrosion. Its unique composition provides excellent performance in structural applications, including aerospace and military industries.

7075 Sheet | Plate

7075 sheets and plates are available in a variety of thicknesses and dimensions. These materials are critical for high-strength applications such as aircraft components and military structures.

7075 Round Bar | Rod

7075 round bars and rods are offered in various diameters and lengths. These products are essential for precision machining and manufacturing components that must endure significant mechanical stresses.

7075 Strip | Coil

Available in strips and coils, 7075 is suitable for applications requiring flexible and strong materials. These forms are commonly used for making components in aircraft and automotive applications.

7075 Applications

  • Used in high-performance vehicles for components such as chassis, frames, and suspension systems, where lightweight yet strong materials are crucial.

7075 Properties

  • Tensile Strength: 7075 exhibits high tensile strength, making it suitable for components subjected to significant mechanical stress.
  • Density: Approximately 2.81 g/cm³, providing a favorable strength-to-weight ratio for demanding applications.
  • Thermal Conductivity: Moderate thermal conductivity ensures stability and performance under operating conditions.
  • Corrosion Resistance: While it offers good resistance to corrosion, it is susceptible to stress corrosion cracking in some environments.

Machining 7075

  • Cutting: 7075 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 7075. Proper cooling and lubrication are essential to maintain tool life and ensure accurate drilling.
  • Turning: Carbide inserts are preferred for turning 7075. 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 7075, 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 0.40%
  • Iron (Fe): Max 0.50%
  • Copper (Cu): Min 1.20%, Max 2.00%
  • Manganese (Mn): Max 0.30%
  • Chromium (Cr): Min 0.18%, Max 0.28%
  • Magnesium (Mg): Min 2.10%, Max 2.90%
  • Zinc (Zn): Min 5.10%, Max 6.10%
  • Titanium (Ti): Max 0.20%
  • Aluminum (Al): Balance
Material Form Size Inches SKU Number
7075 Sheet Thickness: 0.020" to 0.500"; custom widths and lengths 7075-SHEET-0.125-12x12
7075 Plate Thickness: 0.500" and up; custom sizes 7075-PLATE-0.750-24x24
7075 Bar/Rod Diameter: 0.250" to several inches; length up to 36" or more 7075-BAR-1-36
7075 Tube/Pipe Diameter: 0.5" to several inches; custom wall thickness 7075-TUBE-1-0.125
7075 Wire Diameter: 0.010" to 0.250"; often supplied in coils 7075-WIRE-0.050-100
7075 Custom Fabrications Custom dimensions and shapes as required 7075-CUSTOM-FAB-001