2018 Aluminum vs. Grade 15 Babbitt Metal
2018 aluminum belongs to the aluminum alloys classification, while grade 15 Babbitt Metal belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is 2018 aluminum and the bottom bar is grade 15 Babbitt Metal.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 120 | |
| 21 |
| Elastic (Young's, Tensile) Modulus, GPa | 73 | |
| 23 |
| Poisson's Ratio | 0.33 | |
| 0.4 |
| Shear Modulus, GPa | 27 | |
| 8.2 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 46 |
| Melting Completion (Liquidus), °C | 640 | |
| 280 |
| Melting Onset (Solidus), °C | 510 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 140 |
| Thermal Expansion, µm/m-K | 22 | |
| 26 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 17 |
| Density, g/cm3 | 3.1 | |
| 10 |
| Embodied Carbon, kg CO2/kg material | 8.1 | |
| 3.6 |
| Embodied Energy, MJ/kg | 150 | |
| 47 |
| Embodied Water, L/kg | 1130 | |
| 840 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 1.2 |
| Stiffness to Weight: Bending, points | 45 | |
| 9.0 |
Alloy Composition
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| Aluminum (Al), % | 89.7 to 94.4 | |
| 0 to 0.0050 |
| Antimony (Sb), % | 0 | |
| 14.5 to 17.5 |
| Arsenic (As), % | 0 | |
| 0.8 to 1.4 |
| Bismuth (Bi), % | 0 | |
| 0 to 0.1 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 |
| Copper (Cu), % | 3.5 to 4.5 | |
| 0 to 0.6 |
| Iron (Fe), % | 0 to 1.0 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 79 to 83.9 |
| Magnesium (Mg), % | 0.45 to 0.9 | |
| 0 |
| Manganese (Mn), % | 0 to 0.2 | |
| 0 |
| Nickel (Ni), % | 1.7 to 2.3 | |
| 0 |
| Silicon (Si), % | 0 to 0.9 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0.8 to 1.2 |
| Zinc (Zn), % | 0 to 0.25 | |
| 0 to 0.0050 |
| Residuals, % | 0 to 0.15 | |
| 0 |