Grade 7 Babbitt Metal vs. Grade 3 Babbitt Metal
Both grade 7 Babbitt Metal and grade 3 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 7 Babbitt Metal and the bottom bar is grade 3 Babbitt Metal.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 23 | |
| 27 |
| Compressive (Crushing) Strength, MPa | 110 | |
| 120 |
| Elastic (Young's, Tensile) Modulus, GPa | 26 | |
| 56 |
| Poisson's Ratio | 0.4 | |
| 0.35 |
| Shear Modulus, GPa | 9.1 | |
| 21 |
| Tensile Strength: Yield (Proof), MPa | 25 | |
| 46 |
Thermal Properties
| Latent Heat of Fusion, J/g | 48 | |
| 79 |
| Melting Completion (Liquidus), °C | 270 | |
| 420 |
| Melting Onset (Solidus), °C | 240 | |
| 240 |
| Specific Heat Capacity, J/kg-K | 150 | |
| 230 |
| Thermal Expansion, µm/m-K | 26 | |
| 21 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 70 |
| Density, g/cm3 | 10 | |
| 7.4 |
| Embodied Carbon, kg CO2/kg material | 4.4 | |
| 12 |
| Embodied Energy, MJ/kg | 62 | |
| 200 |
| Embodied Water, L/kg | 880 | |
| 1210 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 12 | |
| 19 |
| Stiffness to Weight: Axial, points | 1.4 | |
| 4.2 |
| Stiffness to Weight: Bending, points | 9.6 | |
| 17 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.0050 | |
| 0 to 0.0050 |
| Antimony (Sb), % | 14 to 16 | |
| 7.5 to 8.5 |
| Arsenic (As), % | 0.3 to 0.6 | |
| 0 to 0.1 |
| Bismuth (Bi), % | 0 to 0.1 | |
| 0 to 0.080 |
| Cadmium (Cd), % | 0 to 0.050 | |
| 0 to 0.050 |
| Copper (Cu), % | 0 to 0.5 | |
| 7.5 to 8.5 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 0.080 |
| Lead (Pb), % | 71.9 to 76.4 | |
| 0 to 0.35 |
| Tin (Sn), % | 9.3 to 10.7 | |
| 82.3 to 85 |
| Zinc (Zn), % | 0 to 0.0050 | |
| 0 to 0.0050 |