Alloy AW-7075 is an aluminum alloy composed primarily of aluminium, zinc and magnesium. The alloy has high strength and is particularly resistant to corrosion. For this reason, the alloy is used in many applications, especially in the aerospace industry, but also in the automotive industry and other industries.
Properties:
High Strength: AW-7075 alloy has high strength and is one of the strongest aluminum alloys. This makes them ideal for applications that require high resilience.
Corrosion Resistance:
AW-7075 alloy is particularly resistant to corrosion, making it an ideal choice for aerospace applications.
Good Weldability:
AW-7075 alloy has good weldability and formability, making it easier to process.
Applications:
Aerospace Industry:
AW-7075 alloy is widely used in the aerospace industry due to its high strength and corrosion resistance. It is used in airplanes, helicopters and rockets.
Automotive industry:
The AW-7075 alloy is also used in the automotive industry. It is used, among other things, for chassis components, steering gears and other components.
Sports Equipment:
AW-7075 alloy is also used in sports equipment such as bicycle frames, ski poles and tennis rackets.
Chemical composition (in percent by weight):
Aluminum (Al): 90.8%
Zinc (Zn): 6.1%
Magnesium (Mg): 2.2%
Copper (Cu): 1.6%
Chromium (Cr): 0.23%
Mechanical properties:
Tensile Strength (Rm): 572 MPa
Yield strength (Rp0.2): 503 MPa
Elongation at break (A50): 11%
Hardness (HB): 150
Physical Properties:
Density: 2.81 g/cm³
Melting point: 477-635 °C (depending on alloy composition)
Thermal conductivity: 130-160 W/mK (depending on alloy composition)
Electrical conductivity: 31-39 MS/m (depending on alloy composition)
Heat treatment:
Alloy AW-7075 heat treats well to achieve desired properties. Solution annealing at a temperature of 465-477 °C and subsequent quenching leads to an increase in strength and hardness. Aging at a temperature of 120-190 °C for several hours leads to a further increase in strength and hardness.
Please note that specifications may vary depending on alloy composition, manufacturing process and conditions. The values given are for guidance only and should not be considered precise.