Materials / Aluminum
Aluminum 7075-T6
Aluminum 7075-T6 (high-strength) strength, stiffness, density and thermal properties, with their source.
A bracket in Aluminum 7075-T6, brushed finish.
| Process | Wrought |
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| Mechanical |
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| Yield strength | 503MPasourcetypical, 0.2% offset, .500 in dia specimen |
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| Ultimate tensile strength | 572MPasourcetypical |
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| Elongation at break | 11%sourcetypical, in 4D |
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| Young's modulus (stiffness) | 71GPasourcetypical |
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| Density | 2,800kg/m³sourcenominal |
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| Strength to weight | 180kN·m/kg |
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| Stiffness to weight | 25.4MN·m/kg |
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| Poisson's ratio | 0.33sourcetypical (handbook physical constant) |
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| Shear modulus | 26.7GPa |
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| Bulk modulus | 69.6GPa |
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| Speed of sound | 5,036m/s |
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| Thermal |
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| Thermal conductivity | 130W/m·Ksourcetypical, 20 °C, T651 |
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| Thermal expansion | 23.4µm/m·Ksourcetypical, mean 20-100 °C |
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| 100 mm part over a 50 °C swing | 117µm growth |
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| Specific heat | 960J/kg·Ksourcetypical, at 100 °C |
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| Heats up and cools (diffusivity) | 48.4mm²/s |
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| Thermal shock resistance | 26,370W/m |
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| Melting point | 532–635°Csourcemelting range |
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| Values for | 7075-T6/T651, Kaiser Aluminum rod & bar (mechanical) and sheet/coil/plate (physical) typical datasheets; Poisson from MIL-HDBK-5J |
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Among 59 materials
Stiffness against densityStrength against density
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