Grade 8 Babbitt Metal vs. R30035 Cobalt
Grade 8 Babbitt Metal belongs to the otherwise unclassified metals classification, while R30035 cobalt belongs to the cobalt alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is grade 8 Babbitt Metal and the bottom bar is R30035 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 24 | |
| 220 to 230 |
| Poisson's Ratio | 0.41 | |
| 0.29 |
| Shear Modulus, GPa | 8.5 | |
| 84 to 89 |
| Tensile Strength: Yield (Proof), MPa | 23 | |
| 300 to 1650 |
Thermal Properties
| Latent Heat of Fusion, J/g | 46 | |
| 320 |
| Melting Completion (Liquidus), °C | 270 | |
| 1440 |
| Melting Onset (Solidus), °C | 240 | |
| 1320 |
| Specific Heat Capacity, J/kg-K | 150 | |
| 440 |
| Thermal Conductivity, W/m-K | 24 | |
| 11 |
| Thermal Expansion, µm/m-K | 24 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 19 | |
| 100 |
| Density, g/cm3 | 10 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 3.9 | |
| 10 |
| Embodied Energy, MJ/kg | 53 | |
| 140 |
| Embodied Water, L/kg | 840 | |
| 410 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 11 | |
| 210 to 5920 |
| Stiffness to Weight: Axial, points | 1.3 | |
| 14 to 15 |
| Stiffness to Weight: Bending, points | 9.2 | |
| 23 to 24 |
| Thermal Diffusivity, mm2/s | 16 | |
| 3.0 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.0050 | |
| 0 |
| Antimony (Sb), % | 14 to 16 | |
| 0 |
| Arsenic (As), % | 0.3 to 0.6 | |
| 0 |
| Bismuth (Bi), % | 0 to 0.1 | |
| 0 |
| Boron (B), % | 0 | |
| 0 to 0.015 |
| Cadmium (Cd), % | 0 to 0.050 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.025 |
| Chromium (Cr), % | 0 | |
| 19 to 21 |
| Cobalt (Co), % | 0 | |
| 29.1 to 39 |
| Copper (Cu), % | 0 to 0.5 | |
| 0 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 1.0 |
| Lead (Pb), % | 77.1 to 81.2 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.15 |
| Molybdenum (Mo), % | 0 | |
| 9.0 to 10.5 |
| Nickel (Ni), % | 0 | |
| 33 to 37 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 | |
| 0 to 0.15 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Tin (Sn), % | 4.5 to 5.5 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 1.0 |
| Zinc (Zn), % | 0 to 0.0050 | |
| 0 |