Titanium 15-3-3-3 vs. 7108A Aluminum
Titanium 15-3-3-3 belongs to the titanium alloys classification, while 7108A aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is titanium 15-3-3-3 and the bottom bar is 7108A aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 69 |
| Elongation at Break, % | 5.7 to 8.0 | |
| 11 to 13 |
| Fatigue Strength, MPa | 610 to 710 | |
| 120 to 130 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 39 | |
| 26 |
| Shear Strength, MPa | 660 to 810 | |
| 210 |
| Tensile Strength: Ultimate (UTS), MPa | 1120 to 1390 | |
| 350 |
| Tensile Strength: Yield (Proof), MPa | 1100 to 1340 | |
| 290 to 300 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 430 | |
| 210 |
| Melting Completion (Liquidus), °C | 1620 | |
| 630 |
| Melting Onset (Solidus), °C | 1560 | |
| 520 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 870 |
| Thermal Conductivity, W/m-K | 8.1 | |
| 150 |
| Thermal Expansion, µm/m-K | 9.8 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.2 | |
| 36 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.3 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 40 | |
| 10 |
| Density, g/cm3 | 4.8 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 59 | |
| 8.3 |
| Embodied Energy, MJ/kg | 950 | |
| 150 |
| Embodied Water, L/kg | 260 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 78 to 89 | |
| 38 to 44 |
| Stiffness to Weight: Axial, points | 12 | |
| 13 |
| Stiffness to Weight: Bending, points | 32 | |
| 47 |
| Strength to Weight: Axial, points | 64 to 80 | |
| 33 to 34 |
| Strength to Weight: Bending, points | 50 to 57 | |
| 38 |
| Thermal Diffusivity, mm2/s | 3.2 | |
| 59 |
| Thermal Shock Resistance, points | 79 to 98 | |
| 15 to 16 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.5 | |
| 91.6 to 94.4 |
| Carbon (C), % | 0 to 0.050 | |
| 0 |
| Chromium (Cr), % | 2.5 to 3.5 | |
| 0 to 0.040 |
| Copper (Cu), % | 0 | |
| 0 to 0.050 |
| Gallium (Ga), % | 0 | |
| 0 to 0.030 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 0.3 |
| Magnesium (Mg), % | 0 | |
| 0.7 to 1.5 |
| Manganese (Mn), % | 0 | |
| 0 to 0.050 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.13 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.2 |
| Tin (Sn), % | 2.5 to 3.5 | |
| 0 |
| Titanium (Ti), % | 72.6 to 78.5 | |
| 0 to 0.030 |
| Vanadium (V), % | 14 to 16 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 4.8 to 5.8 |
| Zirconium (Zr), % | 0 | |
| 0.15 to 0.25 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.15 |