2024 Aluminum vs. 5056 Aluminum
Both 2024 aluminum and 5056 aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common.
For each property being compared, the top bar is 2024 aluminum and the bottom bar is 5056 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 67 |
| Elongation at Break, % | 4.0 to 16 | |
| 4.9 to 31 |
| Fatigue Strength, MPa | 90 to 180 | |
| 140 to 200 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 25 |
| Shear Strength, MPa | 130 to 320 | |
| 170 to 240 |
| Tensile Strength: Ultimate (UTS), MPa | 200 to 540 | |
| 290 to 460 |
| Tensile Strength: Yield (Proof), MPa | 100 to 490 | |
| 150 to 410 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 190 |
| Melting Completion (Liquidus), °C | 640 | |
| 640 |
| Melting Onset (Solidus), °C | 500 | |
| 570 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 910 |
| Thermal Conductivity, W/m-K | 120 | |
| 130 |
| Thermal Expansion, µm/m-K | 23 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 30 | |
| 29 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 90 | |
| 99 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 9.5 |
| Calomel Potential, mV | -600 | |
| -780 |
| Density, g/cm3 | 3.0 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 9.0 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1140 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 20 to 68 | |
| 12 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 70 to 1680 | |
| 170 to 1220 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 46 | |
| 51 |
| Strength to Weight: Axial, points | 18 to 50 | |
| 30 to 48 |
| Strength to Weight: Bending, points | 25 to 49 | |
| 36 to 50 |
| Thermal Diffusivity, mm2/s | 46 | |
| 53 |
| Thermal Shock Resistance, points | 8.6 to 24 | |
| 13 to 20 |
Alloy Composition
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| Aluminum (Al), % | 90.7 to 94.7 | |
| 93 to 95.4 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0.050 to 0.2 |
| Copper (Cu), % | 3.8 to 4.9 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.4 |
| Magnesium (Mg), % | 1.2 to 1.8 | |
| 4.5 to 5.6 |
| Manganese (Mn), % | 0.3 to 0.9 | |
| 0.050 to 0.2 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.3 |
| Titanium (Ti), % | 0 to 0.15 | |
| 0 |
| Zinc (Zn), % | 0 to 0.25 | |
| 0 to 0.1 |
| Zirconium (Zr), % | 0 to 0.2 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |