Grade 20 Titanium vs. 5252 Aluminum
Grade 20 titanium belongs to the titanium alloys classification, while 5252 aluminum belongs to the aluminum alloys. There are 25 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 5252 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 68 |
| Elongation at Break, % | 5.7 to 17 | |
| 4.5 to 11 |
| Fatigue Strength, MPa | 550 to 630 | |
| 100 to 110 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 47 | |
| 25 |
| Shear Strength, MPa | 560 to 740 | |
| 140 to 160 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 1270 | |
| 230 to 290 |
| Tensile Strength: Yield (Proof), MPa | 850 to 1190 | |
| 170 to 240 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 370 | |
| 180 |
| Melting Completion (Liquidus), °C | 1660 | |
| 650 |
| Melting Onset (Solidus), °C | 1600 | |
| 610 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 910 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 24 |
Otherwise Unclassified Properties
| Density, g/cm3 | 5.0 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 52 | |
| 8.7 |
| Embodied Energy, MJ/kg | 860 | |
| 160 |
| Embodied Water, L/kg | 350 | |
| 1190 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 150 | |
| 12 to 23 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2940 to 5760 | |
| 210 to 430 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 33 | |
| 51 |
| Strength to Weight: Axial, points | 50 to 70 | |
| 23 to 30 |
| Strength to Weight: Bending, points | 41 to 52 | |
| 31 to 36 |
| Thermal Shock Resistance, points | 55 to 77 | |
| 10 to 13 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 4.0 | |
| 96.6 to 97.8 |
| Carbon (C), % | 0 to 0.050 | |
| 0 |
| Chromium (Cr), % | 5.5 to 6.5 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.1 |
| Hydrogen (H), % | 0 to 0.020 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 0 to 0.1 |
| Magnesium (Mg), % | 0 | |
| 2.2 to 2.8 |
| Manganese (Mn), % | 0 | |
| 0 to 0.1 |
| 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 0.080 |
| Titanium (Ti), % | 71 to 77 | |
| 0 |
| Vanadium (V), % | 7.5 to 8.5 | |
| 0 to 0.050 |
| Zinc (Zn), % | 0 | |
| 0 to 0.050 |
| Zirconium (Zr), % | 3.5 to 4.5 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.1 |