Aluminum 7050 | AlZn6CuMgZr
Material type


Material name

Aluminum 7050 | AlZn6CuMgZr

Alternative names


Process compatibility

CNC machining

Mechanical properties

Ultimate tensile strength               500 – 552 MPa
Yield strength                                  455 – 490 MPa
Young’s modulus
(modulus of elasticity)                   70 – 80 GPa
Elongation at break                               11 %
Hardness                                              147 HB

Thermal properties

Thermal expansion coefficent       23 – 25.4 10^-6/ºC
Thermal conductivity                       153 W/(m⋅°C)

Post treatments

Post-Processing                        Cold working, Aging,                                                                    Hardening
Anodizing compatibility                    Suitable

Physical properties

Corrosion resistance                          Good
Magnetism                                    Non-magnetic
Weldability                                             Poor

Electrical properties

Electrical resistivity                      4.4 μΩ*cm

Common applications

Fuselage frames                 
Wing skins
Aerospace structures
Commercial & military aircraft applications

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