206.0 Aluminum vs. Grade 31 Titanium
206.0 aluminum belongs to the aluminum alloys classification, while grade 31 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is 206.0 aluminum and the bottom bar is grade 31 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 110 |
| Elongation at Break, % | 8.4 to 12 | |
| 20 |
| Fatigue Strength, MPa | 88 to 210 | |
| 300 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 27 | |
| 41 |
| Shear Strength, MPa | 260 | |
| 320 |
| Tensile Strength: Ultimate (UTS), MPa | 330 to 440 | |
| 510 |
| Tensile Strength: Yield (Proof), MPa | 190 to 350 | |
| 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 320 |
| Melting Completion (Liquidus), °C | 650 | |
| 1660 |
| Melting Onset (Solidus), °C | 570 | |
| 1610 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 540 |
| Thermal Conductivity, W/m-K | 120 | |
| 21 |
| Thermal Expansion, µm/m-K | 19 | |
| 8.7 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 33 | |
| 3.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 99 | |
| 6.9 |
Otherwise Unclassified Properties
| Density, g/cm3 | 3.0 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 36 |
| Embodied Energy, MJ/kg | 150 | |
| 600 |
| Embodied Water, L/kg | 1150 | |
| 230 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 24 to 49 | |
| 99 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 270 to 840 | |
| 940 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 46 | |
| 35 |
| Strength to Weight: Axial, points | 30 to 40 | |
| 32 |
| Strength to Weight: Bending, points | 35 to 42 | |
| 32 |
| Thermal Diffusivity, mm2/s | 46 | |
| 8.5 |
| Thermal Shock Resistance, points | 17 to 23 | |
| 39 |
Alloy Composition
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| Aluminum (Al), % | 93.3 to 95.3 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Cobalt (Co), % | 0 | |
| 0.2 to 0.8 |
| Copper (Cu), % | 4.2 to 5.0 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.15 | |
| 0 to 0.3 |
| Magnesium (Mg), % | 0.15 to 0.35 | |
| 0 |
| Manganese (Mn), % | 0.2 to 0.5 | |
| 0 |
| Nickel (Ni), % | 0 to 0.050 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.35 |
| Palladium (Pd), % | 0 | |
| 0.040 to 0.080 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 |
| Tin (Sn), % | 0 to 0.050 | |
| 0 |
| Titanium (Ti), % | 0.15 to 0.3 | |
| 97.9 to 99.76 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.4 |