201.0 Aluminum vs. Grade 20 Titanium
201.0 aluminum belongs to the aluminum alloys classification, while grade 20 titanium belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is 201.0 aluminum and the bottom bar is grade 20 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 120 |
| Elongation at Break, % | 4.4 to 20 | |
| 5.7 to 17 |
| Fatigue Strength, MPa | 120 to 150 | |
| 550 to 630 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 27 | |
| 47 |
| Shear Strength, MPa | 290 | |
| 560 to 740 |
| Tensile Strength: Ultimate (UTS), MPa | 370 to 470 | |
| 900 to 1270 |
| Tensile Strength: Yield (Proof), MPa | 220 to 400 | |
| 850 to 1190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 370 |
| Melting Completion (Liquidus), °C | 650 | |
| 1660 |
| Melting Onset (Solidus), °C | 570 | |
| 1600 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 520 |
| Thermal Expansion, µm/m-K | 19 | |
| 9.6 |
Otherwise Unclassified Properties
| Density, g/cm3 | 3.1 | |
| 5.0 |
| Embodied Carbon, kg CO2/kg material | 8.7 | |
| 52 |
| Embodied Energy, MJ/kg | 160 | |
| 860 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 19 to 63 | |
| 71 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 330 to 1160 | |
| 2940 to 5760 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 45 | |
| 33 |
| Strength to Weight: Axial, points | 33 to 42 | |
| 50 to 70 |
| Strength to Weight: Bending, points | 37 to 44 | |
| 41 to 52 |
| Thermal Shock Resistance, points | 19 to 25 | |
| 55 to 77 |
Alloy Composition
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| Aluminum (Al), % | 92.1 to 95.1 | |
| 3.0 to 4.0 |
| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 | |
| 5.5 to 6.5 |
| Copper (Cu), % | 4.0 to 5.2 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.020 |
| Iron (Fe), % | 0 to 0.15 | |
| 0 to 0.3 |
| Magnesium (Mg), % | 0.15 to 0.55 | |
| 0 |
| Manganese (Mn), % | 0.2 to 0.5 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 3.5 to 4.5 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.12 |
| Palladium (Pd), % | 0 | |
| 0.040 to 0.080 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 |
| Silver (Ag), % | 0.4 to 1.0 | |
| 0 |
| Titanium (Ti), % | 0.15 to 0.35 | |
| 71 to 77 |
| Vanadium (V), % | 0 | |
| 7.5 to 8.5 |
| Zirconium (Zr), % | 0 | |
| 3.5 to 4.5 |
| Residuals, % | 0 to 0.1 | |
| 0 to 0.4 |