518.0 Aluminum vs. 384.0 Aluminum
Both 518.0 aluminum and 384.0 aluminum are aluminum alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 83% of their average alloy composition in common.
For each property being compared, the top bar is 518.0 aluminum and the bottom bar is 384.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 80 | |
| 85 |
| Elastic (Young's, Tensile) Modulus, GPa | 67 | |
| 74 |
| Elongation at Break, % | 5.0 | |
| 2.5 |
| Fatigue Strength, MPa | 140 | |
| 140 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 25 | |
| 28 |
| Shear Strength, MPa | 200 | |
| 200 |
| Tensile Strength: Ultimate (UTS), MPa | 310 | |
| 330 |
| Tensile Strength: Yield (Proof), MPa | 190 | |
| 170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 550 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 170 |
| Melting Completion (Liquidus), °C | 620 | |
| 580 |
| Melting Onset (Solidus), °C | 560 | |
| 530 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 870 |
| Thermal Conductivity, W/m-K | 98 | |
| 96 |
| Thermal Expansion, µm/m-K | 24 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 24 | |
| 22 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 81 | |
| 69 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 11 |
| Density, g/cm3 | 2.7 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 9.4 | |
| 7.4 |
| Embodied Energy, MJ/kg | 150 | |
| 140 |
| Embodied Water, L/kg | 1160 | |
| 1010 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 14 | |
| 6.9 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 270 | |
| 190 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 51 | |
| 49 |
| Strength to Weight: Axial, points | 32 | |
| 32 |
| Strength to Weight: Bending, points | 38 | |
| 37 |
| Thermal Diffusivity, mm2/s | 40 | |
| 39 |
| Thermal Shock Resistance, points | 14 | |
| 15 |
Alloy Composition
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| Aluminum (Al), % | 88.1 to 92.5 | |
| 77.3 to 86.5 |
| Copper (Cu), % | 0 to 0.25 | |
| 3.0 to 4.5 |
| Iron (Fe), % | 0 to 1.8 | |
| 0 to 1.3 |
| Magnesium (Mg), % | 7.5 to 8.5 | |
| 0 to 0.1 |
| Manganese (Mn), % | 0 to 0.35 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 to 0.15 | |
| 0 to 0.5 |
| Silicon (Si), % | 0 to 0.35 | |
| 10.5 to 12 |
| Tin (Sn), % | 0 to 0.15 | |
| 0 to 0.35 |
| Zinc (Zn), % | 0 to 0.15 | |
| 0 to 3.0 |
| Residuals, % | 0 to 0.25 | |
| 0 to 0.5 |