Grade 2 Babbitt Metal vs. Grade 7 Babbitt Metal
Both grade 2 Babbitt Metal and grade 7 Babbitt Metal are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition.
For each property being compared, the top bar is grade 2 Babbitt Metal and the bottom bar is grade 7 Babbitt Metal.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 25 | |
| 23 |
| Compressive (Crushing) Strength, MPa | 100 | |
| 110 |
| Elastic (Young's, Tensile) Modulus, GPa | 53 | |
| 26 |
| Poisson's Ratio | 0.35 | |
| 0.4 |
| Shear Modulus, GPa | 19 | |
| 9.1 |
| Tensile Strength: Yield (Proof), MPa | 42 | |
| 25 |
Thermal Properties
| Latent Heat of Fusion, J/g | 72 | |
| 48 |
| Melting Completion (Liquidus), °C | 350 | |
| 270 |
| Melting Onset (Solidus), °C | 240 | |
| 240 |
| Specific Heat Capacity, J/kg-K | 230 | |
| 150 |
| Thermal Expansion, µm/m-K | 21 | |
| 26 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 70 | |
| 23 |
| Density, g/cm3 | 7.3 | |
| 10 |
| Embodied Carbon, kg CO2/kg material | 12 | |
| 4.4 |
| Embodied Energy, MJ/kg | 200 | |
| 62 |
| Embodied Water, L/kg | 1240 | |
| 880 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 17 | |
| 12 |
| Stiffness to Weight: Axial, points | 4.0 | |
| 1.4 |
| Stiffness to Weight: Bending, points | 17 | |
| 9.6 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.0050 | |
| 0 to 0.0050 |
| Antimony (Sb), % | 7.0 to 8.0 | |
| 14 to 16 |
| Arsenic (As), % | 0 to 0.1 | |
| 0.3 to 0.6 |
| Bismuth (Bi), % | 0 to 0.080 | |
| 0 to 0.1 |
| Cadmium (Cd), % | 0 to 0.050 | |
| 0 to 0.050 |
| Copper (Cu), % | 3.0 to 4.0 | |
| 0 to 0.5 |
| Iron (Fe), % | 0 to 0.080 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 to 0.35 | |
| 71.9 to 76.4 |
| Tin (Sn), % | 87.3 to 90 | |
| 9.3 to 10.7 |
| Zinc (Zn), % | 0 to 0.0050 | |
| 0 to 0.0050 |