Grade 11 Titanium vs. 851.0 Aluminum
Grade 11 titanium belongs to the titanium alloys classification, while 851.0 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is grade 11 titanium and the bottom bar is 851.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 69 |
| Elongation at Break, % | 29 | |
| 3.9 to 9.1 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 38 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 310 | |
| 130 to 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 180 |
| Melting Completion (Liquidus), °C | 1660 | |
| 630 |
| Melting Onset (Solidus), °C | 1610 | |
| 360 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 850 |
| Thermal Conductivity, W/m-K | 22 | |
| 180 |
| Thermal Expansion, µm/m-K | 9.2 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.7 | |
| 46 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.3 | |
| 140 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 47 | |
| 8.4 |
| Embodied Energy, MJ/kg | 800 | |
| 160 |
| Embodied Water, L/kg | 470 | |
| 1140 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 45 |
| Strength to Weight: Axial, points | 19 | |
| 12 to 13 |
| Strength to Weight: Bending, points | 22 | |
| 19 to 20 |
| Thermal Diffusivity, mm2/s | 8.9 | |
| 69 |
| Thermal Shock Resistance, points | 22 | |
| 6.1 to 6.3 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 86.6 to 91.5 |
| Carbon (C), % | 0 to 0.080 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0.7 to 1.3 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.7 |
| Magnesium (Mg), % | 0 | |
| 0 to 0.1 |
| Manganese (Mn), % | 0 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 | |
| 0.3 to 0.7 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.18 | |
| 0 |
| Palladium (Pd), % | 0.12 to 0.25 | |
| 0 |
| Silicon (Si), % | 0 | |
| 2.0 to 3.0 |
| Tin (Sn), % | 0 | |
| 5.5 to 7.0 |
| Titanium (Ti), % | 98.8 to 99.88 | |
| 0 to 0.2 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.3 |