Grade 8 Babbitt Metal vs. SAE-AISI 8740 Steel
Grade 8 Babbitt Metal belongs to the otherwise unclassified metals classification, while SAE-AISI 8740 steel belongs to the iron alloys. There are 20 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 SAE-AISI 8740 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 15 | |
| 170 to 200 |
| Elastic (Young's, Tensile) Modulus, GPa | 24 | |
| 190 |
| Poisson's Ratio | 0.41 | |
| 0.29 |
| Shear Modulus, GPa | 8.5 | |
| 73 |
| Tensile Strength: Yield (Proof), MPa | 23 | |
| 380 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 46 | |
| 250 |
| Melting Completion (Liquidus), °C | 270 | |
| 1460 |
| Melting Onset (Solidus), °C | 240 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 150 | |
| 470 |
| Thermal Conductivity, W/m-K | 24 | |
| 39 |
| Thermal Expansion, µm/m-K | 24 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 19 | |
| 2.6 |
| Density, g/cm3 | 10 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.9 | |
| 1.5 |
| Embodied Energy, MJ/kg | 53 | |
| 20 |
| Embodied Water, L/kg | 840 | |
| 50 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 11 | |
| 390 to 850 |
| Stiffness to Weight: Axial, points | 1.3 | |
| 13 |
| Stiffness to Weight: Bending, points | 9.2 | |
| 24 |
| Thermal Diffusivity, mm2/s | 16 | |
| 10 |
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 |
| Cadmium (Cd), % | 0 to 0.050 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.38 to 0.43 |
| Chromium (Cr), % | 0 | |
| 0.4 to 0.6 |
| Copper (Cu), % | 0 to 0.5 | |
| 0 |
| Iron (Fe), % | 0 to 0.1 | |
| 96.5 to 97.7 |
| Lead (Pb), % | 77.1 to 81.2 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0.75 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 0.2 to 0.3 |
| Nickel (Ni), % | 0 | |
| 0.4 to 0.7 |
| Phosphorus (P), % | 0 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 | |
| 0 to 0.040 |
| Tin (Sn), % | 4.5 to 5.5 | |
| 0 |
| Zinc (Zn), % | 0 to 0.0050 | |
| 0 |