Grade 21 Titanium vs. Grade 15 Babbitt Metal
Grade 21 titanium belongs to the titanium alloys classification, while grade 15 Babbitt Metal belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.
For each property being compared, the top bar is grade 21 titanium and the bottom bar is grade 15 Babbitt Metal.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 23 |
| Poisson's Ratio | 0.32 | |
| 0.4 |
| Shear Modulus, GPa | 51 | |
| 8.2 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 46 |
| Melting Completion (Liquidus), °C | 1740 | |
| 280 |
| Melting Onset (Solidus), °C | 1690 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 500 | |
| 140 |
| Thermal Expansion, µm/m-K | 7.1 | |
| 26 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 60 | |
| 17 |
| Density, g/cm3 | 5.4 | |
| 10 |
| Embodied Carbon, kg CO2/kg material | 32 | |
| 3.6 |
| Embodied Energy, MJ/kg | 490 | |
| 47 |
| Embodied Water, L/kg | 180 | |
| 840 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 1.2 |
| Stiffness to Weight: Bending, points | 32 | |
| 9.0 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.5 | |
| 0 to 0.0050 |
| Antimony (Sb), % | 0 | |
| 14.5 to 17.5 |
| Arsenic (As), % | 0 | |
| 0.8 to 1.4 |
| Bismuth (Bi), % | 0 | |
| 0 to 0.1 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.050 |
| Carbon (C), % | 0 to 0.050 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.6 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.4 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 79 to 83.9 |
| Molybdenum (Mo), % | 14 to 16 | |
| 0 |
| Niobium (Nb), % | 2.2 to 3.2 | |
| 0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.17 | |
| 0 |
| Silicon (Si), % | 0.15 to 0.25 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0.8 to 1.2 |
| Titanium (Ti), % | 76 to 81.2 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.0050 |
| Residuals, % | 0 to 0.4 | |
| 0 |