Grade 3 Babbitt Metal vs. R31539 Cobalt
Grade 3 Babbitt Metal belongs to the otherwise unclassified metals classification, while R31539 cobalt belongs to the cobalt alloys. There are 16 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.
For each property being compared, the top bar is grade 3 Babbitt Metal and the bottom bar is R31539 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 56 | |
| 220 |
| Poisson's Ratio | 0.35 | |
| 0.29 |
| Shear Modulus, GPa | 21 | |
| 86 |
| Tensile Strength: Yield (Proof), MPa | 46 | |
| 590 to 940 |
Thermal Properties
| Latent Heat of Fusion, J/g | 79 | |
| 320 |
| Melting Completion (Liquidus), °C | 420 | |
| 1360 |
| Melting Onset (Solidus), °C | 240 | |
| 1290 |
| Specific Heat Capacity, J/kg-K | 230 | |
| 450 |
| Thermal Expansion, µm/m-K | 21 | |
| 13 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.4 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 12 | |
| 8.2 |
| Embodied Energy, MJ/kg | 200 | |
| 110 |
| Embodied Water, L/kg | 1210 | |
| 530 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 19 | |
| 780 to 2000 |
| Stiffness to Weight: Axial, points | 4.2 | |
| 15 |
| Stiffness to Weight: Bending, points | 17 | |
| 24 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.0050 | |
| 0.3 to 1.0 |
| Antimony (Sb), % | 7.5 to 8.5 | |
| 0 |
| Arsenic (As), % | 0 to 0.1 | |
| 0 |
| Bismuth (Bi), % | 0 to 0.080 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.050 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.14 |
| Chromium (Cr), % | 0 | |
| 26 to 30 |
| Cobalt (Co), % | 0 | |
| 57.7 to 68.7 |
| Copper (Cu), % | 7.5 to 8.5 | |
| 0 |
| Iron (Fe), % | 0 to 0.080 | |
| 0 to 0.75 |
| Lanthanum (La), % | 0 | |
| 0.030 to 0.2 |
| Lead (Pb), % | 0 to 0.35 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 5.0 to 7.0 |
| Nickel (Ni), % | 0 | |
| 0 to 1.0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.25 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Tin (Sn), % | 82.3 to 85 | |
| 0 |
| Zinc (Zn), % | 0 to 0.0050 | |
| 0 |