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Material Name

Aluminum 7050 | EN AW-7050 | 3.4144| AlZn6CuMgZr

Material Type

Metal

Process Compatibility

CNC machining

Property Value
Mechanical Properties
Ultimate tensile strength 470 – 530 MPa
Yield strength 390 – 460 MPa
Young’s modulus (modulus of elasticity) 70 – 80 GPa
Elongation at break 5 – 12 %
Physical Properties
Corrosion resistance Good
Magnetism Non-magnetic
Weldability Poor
Thermal Properties
Thermal expansion coefficient 23 – 25.4 × 10-6/ºC
Thermal conductivity 153 W/(m⋅°C)
Electrical Properties
Electrical resistivity 4.4 μΩ*cm
Post Treatments
Post-Processing Cold working, Aging, Hardening
Anodizing compatibility Not recommended – due to the high amount of zinc that the material contains, dark spots or corroded marks may be observed
Common Applications
Fuselage frames Bulkheads
Wing skins Aerospace structures
Commercial & military aircraft applications
metal for welding

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