ALUMINUM 7075

Aluminum Alloy 7075-T6 Datasheet

General Properties:

  • Material Type: Aluminum Alloy
  • Temper: T6
  • Density: 2.78 g/cm³ (0.100 lb/in³)
  • Melting Point: 477-635 °C (890-1175 °F)
  • Thermal Conductivity: 130 W/m-K (900 BTU·in/h·ft²·°F)

Mechanical Properties:

  • Tensile Strength (Ultimate): 572 MPa (83,000 psi)
  • Tensile Strength (Yield): 503 MPa (73,000 psi)
  • Elongation at Break: 11%
  • Modulus of Elasticity: 71.7 GPa (10,400 ksi)
  • Shear Strength: 331 MPa (48,000 psi)

Hardness:

  • Brinell Hardness: 150

Electrical Conductivity:

  • Electrical Conductivity: 33% IACS (International Annealed Copper Standard)

Thermal Properties:

  • Coefficient of Thermal Expansion: 23.2 x 10^-6/°C (12.9 x 10^-6/°F)
  • Specific Heat Capacity: 0.897 J/g-°C (0.214 BTU/lb-°F)

Forming and Machining:

  • Workability: Fair
  • Machinability Rating (Compared to 1100 Al): 50%
  • Weldability: Poor

Corrosion Resistance:

  • Corrosion Resistance: Poor
  • Anodizing Response: Good

Applications:

  • Aircraft structural components
  • High-stress structural parts
  • Aerospace applications
  • Military equipment
  • Automotive components
  • Bike frames