Aluminum 7050-T73511; 7050-T73510

Aluminum 7050-T73511; 7050-T73510

Subcategory: 7000 Series Aluminum Alloy; Aluminum Alloy; Metal; Nonferrous Metal

Close Analogs:

Composition Notes:
Aluminum content reported is calculated as remainder.
Composition information provided by the Aluminum Association and is not for design.

Key Words: UNS A97050; ISO AlZn6CuMgZr; Aluminum 7050-T73510; AA7050-T73511

Component    Wt. %
Al 87.3 – 90.3
Cr Max 0.04
Cu 2 – 2.6
Fe Max 0.15
Component    Wt. %
Mg 1.9 – 2.6
Mn Max 0.1
Other, each Max 0.05
Other, total Max 0.15
Component    Wt. %
Si Max 0.12
Ti Max 0.06
Zn 5.7 – 6.7
Zr 0.08 – 0.15

Material Notes: 
Data points with the AA note have been provided by the Aluminum Association, Inc. and are NOT FOR DESIGN.

Physical Properties

Physical Properties Metric English Comments
Density 2.83 g/cc 0.102 lb/in³  AA; Typical

Mechanical Properties

Hardness, Brinell 132 132  500 kg load with 10 mm ball. Calculated value.
Hardness, Knoop 166 166  Converted from Brinell Hardness Value
Hardness, Rockwell A 49.8 49.8  Converted from Brinell Hardness Value
Hardness, Rockwell B 80 80  Converted from Brinell Hardness Value
Hardness, Vickers 151 151  Converted from Brinell Hardness Value
Ultimate Tensile Strength 496 MPa 72000 psi  AA; Typical
Tensile Yield Strength 434 MPa 63000 psi  AA; Typical
Elongation at Break 12 % 12 %  AA; Typical; 1/2 in. (12.7 mm) Diameter
Modulus of Elasticity 71.7 GPa 10400 ksi  AA; Typical; Average of tension and compression. Compression modulus is about 2% greater than tensile modulus.
Poisson’s Ratio 0.33 0.33
Shear Modulus 26.9 GPa 3900 ksi
Shear Strength 290 MPa 42100 psi  Calculated value.

Electrical Properties

Electrical Resistivity 4.3e-006 ohm-cm 4.3e-006 ohm-cm

Thermal Properties

CTE, linear 20°C 23.6 µm/m-°C 13.1 µin/in-°F  20-100ºC
CTE, linear 250°C 25.4 µm/m-°C 14.1 µin/in-°F  Average over the range 20-300ºC
Specific Heat Capacity 0.86 J/g-°C 0.206 BTU/lb-°F
Thermal Conductivity 155 W/m-K 1080 BTU-in/hr-ft²-°F  Estimated from other heat treatments.
Melting Point 524 – 635 °C 975 – 1170 °F  For homogeneous wrought material. Eutectic for nonhomogeneous wrought or as-cast material that has not been heat treated is 465ºC.
Solidus 524 °C 975 °F  For homogeneous wrought material. Eutectic for nonhomogeneous wrought or as-cast material that has not been heat treated is 465ºC.
Liquidus 635 °C 1170 °F

Processing Properties

Annealing Temperature 413 °C 775 °F
Solution Temperature 477 °C 890 °F
Aging Temperature 121 – 177 °C 250 – 350 °F