2025 Aluminum vs. 518.0 Aluminum
Both 2025 aluminum and 518.0 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common.
For each property being compared, the top bar is 2025 aluminum and the bottom bar is 518.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 110 | |
| 80 |
| Elastic (Young's, Tensile) Modulus, GPa | 72 | |
| 67 |
| Elongation at Break, % | 15 | |
| 5.0 |
| Fatigue Strength, MPa | 130 | |
| 140 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 25 |
| Shear Strength, MPa | 240 | |
| 200 |
| Tensile Strength: Ultimate (UTS), MPa | 400 | |
| 310 |
| Tensile Strength: Yield (Proof), MPa | 260 | |
| 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 170 |
| Melting Completion (Liquidus), °C | 640 | |
| 620 |
| Melting Onset (Solidus), °C | 520 | |
| 560 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 900 |
| Thermal Conductivity, W/m-K | 150 | |
| 98 |
| Thermal Expansion, µm/m-K | 23 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 40 | |
| 24 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 81 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 9.5 |
| Density, g/cm3 | 3.0 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 7.9 | |
| 9.4 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1130 | |
| 1160 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 55 | |
| 14 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 450 | |
| 270 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 46 | |
| 51 |
| Strength to Weight: Axial, points | 37 | |
| 32 |
| Strength to Weight: Bending, points | 40 | |
| 38 |
| Thermal Diffusivity, mm2/s | 58 | |
| 40 |
| Thermal Shock Resistance, points | 18 | |
| 14 |
Alloy Composition
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| Aluminum (Al), % | 90.9 to 95.2 | |
| 88.1 to 92.5 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 |
| Copper (Cu), % | 3.9 to 5.0 | |
| 0 to 0.25 |
| Iron (Fe), % | 0 to 1.0 | |
| 0 to 1.8 |
| Magnesium (Mg), % | 0 to 0.050 | |
| 7.5 to 8.5 |
| Manganese (Mn), % | 0.4 to 1.2 | |
| 0 to 0.35 |
| Nickel (Ni), % | 0 | |
| 0 to 0.15 |
| Silicon (Si), % | 0.5 to 1.2 | |
| 0 to 0.35 |
| Tin (Sn), % | 0 | |
| 0 to 0.15 |
| Titanium (Ti), % | 0 to 0.15 | |
| 0 |
| Zinc (Zn), % | 0 to 0.25 | |
| 0 to 0.15 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.25 |