Material type

Metal

Material name

Aluminum 7075-T6 | AlZn5,5MgCu

Alternative names

AlZn5,5MgCu, 3.4365

Process compatibility

CNC machining

Mechanical properties

Ultimate tensile strength                 434 – 580 MPa
 
Yield strength                                    359 – 530 MPa
 
Young’s modulus
(modulus of elasticity)                      69 – 76 GPa
 
Elongation at break                              2 – 11 %
 
Hardness                                             79-86 HRB

Thermal properties

Maximum service temperature                100 °C
 
Thermal expansion coefficent      22,9 – 24,1 10^-6/ºC
 
Thermal conductivity                       131 – 137 W/(m⋅°C)

Post treatments

Post-Processing               Annealing & Cold working
 
Anodizing compatibility                Suitable

Physical properties

Corrosion resistance                      Moderate
 
Magnetism                                 Non-magnetic
 
Weldability                                           Poor

Electrical properties

Electrical resistivity                         5,2 μΩ*cm

Common applications

Aircraft and aerospace
 
Marine
 
Transportation
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