2030 Aluminum vs. Grade 20 Titanium
2030 aluminum belongs to the aluminum alloys classification, while grade 20 titanium belongs to the titanium alloys. There are 25 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 2030 aluminum and the bottom bar is grade 20 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 120 |
| Elongation at Break, % | 5.6 to 8.0 | |
| 5.7 to 17 |
| Fatigue Strength, MPa | 91 to 110 | |
| 550 to 630 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 26 | |
| 47 |
| Shear Strength, MPa | 220 to 250 | |
| 560 to 740 |
| Tensile Strength: Ultimate (UTS), MPa | 370 to 420 | |
| 900 to 1270 |
| Tensile Strength: Yield (Proof), MPa | 240 to 270 | |
| 850 to 1190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 370 |
| Melting Completion (Liquidus), °C | 640 | |
| 1660 |
| Melting Onset (Solidus), °C | 510 | |
| 1600 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 520 |
| Thermal Expansion, µm/m-K | 23 | |
| 9.6 |
Otherwise Unclassified Properties
| Density, g/cm3 | 3.1 | |
| 5.0 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 52 |
| Embodied Energy, MJ/kg | 150 | |
| 860 |
| Embodied Water, L/kg | 1140 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 21 to 26 | |
| 71 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 390 to 530 | |
| 2940 to 5760 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 45 | |
| 33 |
| Strength to Weight: Axial, points | 33 to 38 | |
| 50 to 70 |
| Strength to Weight: Bending, points | 37 to 40 | |
| 41 to 52 |
| Thermal Shock Resistance, points | 16 to 19 | |
| 55 to 77 |
Alloy Composition
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| Aluminum (Al), % | 88.9 to 95.2 | |
| 3.0 to 4.0 |
| Bismuth (Bi), % | 0 to 0.2 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 to 0.1 | |
| 5.5 to 6.5 |
| Copper (Cu), % | 3.3 to 4.5 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.020 |
| Iron (Fe), % | 0 to 0.7 | |
| 0 to 0.3 |
| Lead (Pb), % | 0.8 to 1.5 | |
| 0 |
| Magnesium (Mg), % | 0.5 to 1.3 | |
| 0 |
| Manganese (Mn), % | 0.2 to 1.0 | |
| 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 0.8 | |
| 0 |
| Titanium (Ti), % | 0 to 0.2 | |
| 71 to 77 |
| Vanadium (V), % | 0 | |
| 7.5 to 8.5 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 3.5 to 4.5 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.4 |