515.0 Aluminum vs. Titanium 15-3-3-3
515.0 aluminum belongs to the aluminum alloys classification, while titanium 15-3-3-3 belongs to the titanium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is 515.0 aluminum and the bottom bar is titanium 15-3-3-3.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 100 |
| Elongation at Break, % | 10 | |
| 5.7 to 8.0 |
| Fatigue Strength, MPa | 130 | |
| 610 to 710 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 39 |
| Shear Strength, MPa | 190 | |
| 660 to 810 |
| Tensile Strength: Ultimate (UTS), MPa | 280 | |
| 1120 to 1390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 470 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 430 |
| Melting Completion (Liquidus), °C | 620 | |
| 1620 |
| Melting Onset (Solidus), °C | 620 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 520 |
| Thermal Expansion, µm/m-K | 23 | |
| 9.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 40 |
| Density, g/cm3 | 2.6 | |
| 4.8 |
| Embodied Carbon, kg CO2/kg material | 8.4 | |
| 59 |
| Embodied Energy, MJ/kg | 150 | |
| 950 |
| Embodied Water, L/kg | 1120 | |
| 260 |
Common Calculations
| Stiffness to Weight: Axial, points | 15 | |
| 12 |
| Stiffness to Weight: Bending, points | 52 | |
| 32 |
| Strength to Weight: Axial, points | 30 | |
| 64 to 80 |
| Strength to Weight: Bending, points | 36 | |
| 50 to 57 |
| Thermal Shock Resistance, points | 13 | |
| 79 to 98 |
Alloy Composition
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| Aluminum (Al), % | 93.6 to 96.6 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 | |
| 2.5 to 3.5 |
| Copper (Cu), % | 0 to 0.2 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 1.3 | |
| 0 to 0.25 |
| Magnesium (Mg), % | 2.5 to 4.0 | |
| 0 |
| Manganese (Mn), % | 0.4 to 0.6 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.13 |
| Silicon (Si), % | 0.5 to 10 | |
| 0 |
| Tin (Sn), % | 0 | |
| 2.5 to 3.5 |
| Titanium (Ti), % | 0 | |
| 72.6 to 78.5 |
| Vanadium (V), % | 0 | |
| 14 to 16 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.4 |