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. %
Al87.3 - 90.3 
CrMax 0.04 
Cu2 - 2.6 
FeMax 0.15 
Component   Wt. %
Mg1.9 - 2.6 
MnMax 0.1 
Other, eachMax 0.05 
Other, totalMax 0.15 
Component   Wt. %
SiMax 0.12 
TiMax 0.06 
Zn5.7 - 6.7 
Zr0.08 - 0.15 

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

Physical PropertiesMetricEnglishComments
Density2.83 g/cc0.102 lb/in AA; Typical

Mechanical Properties
Hardness, Brinell132132 500 kg load with 10 mm ball. Calculated value.
Hardness, Knoop166166 Converted from Brinell Hardness Value
Hardness, Rockwell A49.849.8 Converted from Brinell Hardness Value
Hardness, Rockwell B8080 Converted from Brinell Hardness Value
Hardness, Vickers151151 Converted from Brinell Hardness Value
Ultimate Tensile Strength496 MPa72000 psi AA; Typical
Tensile Yield Strength434 MPa63000 psi AA; Typical
Elongation at Break12 %12 % AA; Typical; 1/2 in. (12.7 mm) Diameter
Modulus of Elasticity71.7 GPa10400 ksi AA; Typical; Average of tension and compression. Compression modulus is about 2% greater than tensile modulus.
Poisson's Ratio0.330.33 
Shear Modulus26.9 GPa3900 ksi 
Shear Strength290 MPa42100 psi Calculated value.

Electrical Properties
Electrical Resistivity4.3e-006 ohm-cm4.3e-006 ohm-cm 

Thermal Properties
CTE, linear 20C23.6 m/m-C13.1 in/in-F 20-100C
CTE, linear 250C25.4 m/m-C14.1 in/in-F Average over the range 20-300C
Specific Heat Capacity0.86 J/g-C0.206 BTU/lb-F 
Thermal Conductivity155 W/m-K1080 BTU-in/hr-ft-F Estimated from other heat treatments.
Melting Point524 - 635 C975 - 1170 F For homogeneous wrought material. Eutectic for nonhomogeneous wrought or as-cast material that has not been heat treated is 465C.
Solidus524 C975 F For homogeneous wrought material. Eutectic for nonhomogeneous wrought or as-cast material that has not been heat treated is 465C.
Liquidus635 C1170 F 

Processing Properties
Annealing Temperature413 C775 F 
Solution Temperature477 C890 F 
Aging Temperature121 - 177 C250 - 350 F 

References for this datasheet.

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