Aluminum 7050-T7651
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; Aluminium 7050-T7651; AA7050-T7651
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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 | 147 | 147 | 500 kg load with 10 mm ball. Calculated value. |
| Hardness, Knoop | 187 | 187 | Converted from Brinell Hardness Value |
| Hardness, Rockwell A | 53 | 53 | Converted from Brinell Hardness Value |
| Hardness, Rockwell B | 86 | 86 | Converted from Brinell Hardness Value |
| Hardness, Vickers | 171 | 171 | Converted from Brinell Hardness Value |
| Ultimate Tensile Strength | 552 MPa | 80000 psi | AA; Typical |
| Tensile Yield Strength | 490 MPa | 71000 psi | AA; Typical |
| Elongation at Break | 11 % | 11 % | 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 | |
| Fracture Toughness | 26 MPa-m½ | 23.7 ksi-in½ | K(IC) in S-L Direction |
| Fracture Toughness | 31 MPa-m½ | 28.2 ksi-in½ | K(IC) in T-L Direction |
| Fracture Toughness | 34 MPa-m½ | 30.9 ksi-in½ | K(IC) in L-T Direction |
| Shear Modulus | 26.9 GPa | 3900 ksi | |
| Shear Strength | 324 MPa | 47000 psi | AA; Typical |
Electrical Properties
| Electrical Resistivity | 4.4e-006 ohm-cm | 4.4e-006 ohm-cm |
Thermal Properties
| CTE, linear 68°F | 23 µm/m-°C | 12.8 µin/in-°F | AA; Typical; Average over 68-212°F range. |
| 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 | 153 W/m-K | 1060 BTU-in/hr-ft²-°F | |
| Melting Point | 488 – 629 °C | 910 – 1165 °F | AA; Typical range based on typical composition for wrought products 1/4 inch thickness or greater |
| Solidus | 488 °C | 910 °F | AA; Typical |
| Liquidus | 629 °C | 1165 °F | AA; Typical |
Processing Properties
| Annealing Temperature | 413 °C | 775 °F | |
| Solution Temperature | 477 °C | 890 °F | |
| Aging Temperature | 121 – 177 °C | 250 – 350 °F |