Grade 20 Titanium vs. 224.0 Aluminum
Grade 20 titanium belongs to the titanium alloys classification, while 224.0 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is grade 20 titanium and the bottom bar is 224.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 71 |
| Elongation at Break, % | 5.7 to 17 | |
| 4.0 to 10 |
| Fatigue Strength, MPa | 550 to 630 | |
| 86 to 120 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 47 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 1270 | |
| 380 to 420 |
| Tensile Strength: Yield (Proof), MPa | 850 to 1190 | |
| 280 to 330 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 370 | |
| 220 |
| Melting Completion (Liquidus), °C | 1660 | |
| 650 |
| Melting Onset (Solidus), °C | 1600 | |
| 550 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 870 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 23 |
Otherwise Unclassified Properties
| Density, g/cm3 | 5.0 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 52 | |
| 8.3 |
| Embodied Energy, MJ/kg | 860 | |
| 160 |
| Embodied Water, L/kg | 350 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 150 | |
| 16 to 35 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2940 to 5760 | |
| 540 to 770 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 33 | |
| 45 |
| Strength to Weight: Axial, points | 50 to 70 | |
| 35 to 38 |
| Strength to Weight: Bending, points | 41 to 52 | |
| 38 to 41 |
| Thermal Shock Resistance, points | 55 to 77 | |
| 17 to 18 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 4.0 | |
| 93 to 95.2 |
| Carbon (C), % | 0 to 0.050 | |
| 0 |
| Chromium (Cr), % | 5.5 to 6.5 | |
| 0 |
| Copper (Cu), % | 0 | |
| 4.5 to 5.5 |
| Hydrogen (H), % | 0 to 0.020 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 0 to 0.1 |
| Manganese (Mn), % | 0 | |
| 0.2 to 0.5 |
| Molybdenum (Mo), % | 3.5 to 4.5 | |
| 0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.12 | |
| 0 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.060 |
| Titanium (Ti), % | 71 to 77 | |
| 0 to 0.35 |
| Vanadium (V), % | 7.5 to 8.5 | |
| 0.050 to 0.15 |
| Zirconium (Zr), % | 3.5 to 4.5 | |
| 0.1 to 0.25 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.1 |