7075 Aluminum vs. 2024 Aluminum
Both 7075 aluminum and 2024 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common.
For each property being compared, the top bar is 7075 aluminum and the bottom bar is 2024 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 71 |
| Elongation at Break, % | 1.8 to 12 | |
| 4.0 to 16 |
| Fatigue Strength, MPa | 110 to 190 | |
| 90 to 180 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 27 |
| Shear Strength, MPa | 150 to 340 | |
| 130 to 320 |
| Tensile Strength: Ultimate (UTS), MPa | 240 to 590 | |
| 200 to 540 |
| Tensile Strength: Yield (Proof), MPa | 120 to 510 | |
| 100 to 490 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 200 |
| Melting Completion (Liquidus), °C | 640 | |
| 640 |
| Melting Onset (Solidus), °C | 480 | |
| 500 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 880 |
| Thermal Conductivity, W/m-K | 130 | |
| 120 |
| Thermal Expansion, µm/m-K | 23 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 33 | |
| 30 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 98 | |
| 90 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 11 |
| Calomel Potential, mV | -750 | |
| -600 |
| Density, g/cm3 | 3.0 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 8.3 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1120 | |
| 1140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 7.8 to 44 | |
| 20 to 68 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 1870 | |
| 70 to 1680 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 46 | |
| 46 |
| Strength to Weight: Axial, points | 22 to 54 | |
| 18 to 50 |
| Strength to Weight: Bending, points | 28 to 52 | |
| 25 to 49 |
| Thermal Diffusivity, mm2/s | 50 | |
| 46 |
| Thermal Shock Resistance, points | 10 to 25 | |
| 8.6 to 24 |
Alloy Composition
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| Aluminum (Al), % | 86.9 to 91.4 | |
| 90.7 to 94.7 |
| Chromium (Cr), % | 0.18 to 0.28 | |
| 0 to 0.1 |
| Copper (Cu), % | 1.2 to 2.0 | |
| 3.8 to 4.9 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.5 |
| Magnesium (Mg), % | 2.1 to 2.9 | |
| 1.2 to 1.8 |
| Manganese (Mn), % | 0 to 0.3 | |
| 0.3 to 0.9 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.5 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 to 0.15 |
| Zinc (Zn), % | 5.1 to 6.1 | |
| 0 to 0.25 |
| Zirconium (Zr), % | 0 to 0.25 | |
| 0 to 0.2 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |