Grade 3 Babbitt Metal vs. 90-platinum 10-iridium
Both grade 3 Babbitt Metal and 90-platinum 10-iridium are otherwise unclassified metals. There are 9 material properties with values for both materials. Properties with values for just one material (16, 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 grade 3 Babbitt Metal and the bottom bar is 90-platinum 10-iridium.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 7.4 | |
| 22 |
| Elastic (Young's, Tensile) Modulus, GPa | 56 | |
| 200 |
| Latent Heat of Fusion, J/g | 79 | |
| 100 |
| Poisson's Ratio | 0.35 | |
| 0.38 |
| Shear Modulus, GPa | 21 | |
| 74 |
| Specific Heat Capacity, J/kg-K | 230 | |
| 130 |
| Stiffness to Weight: Axial, points | 4.2 | |
| 5.3 |
| Stiffness to Weight: Bending, points | 17 | |
| 9.1 |
| Thermal Expansion, µm/m-K | 21 | |
| 8.6 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0050 | |
| 0 |
| Antimony (Sb), % | 7.5 to 8.5 | |
| 0 |
| Arsenic (As), % | 0 to 0.1 | |
| 0 |
| Bismuth (Bi), % | 0 to 0.080 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.050 | |
| 0 |
| Copper (Cu), % | 7.5 to 8.5 | |
| 0 |
| Iridium (Ir), % | 0 | |
| 9.5 to 10.5 |
| Iron (Fe), % | 0 to 0.080 | |
| 0 |
| Lead (Pb), % | 0 to 0.35 | |
| 0 |
| Platinum (Pt), % | 0 | |
| 89.3 to 90.5 |
| Tin (Sn), % | 82.3 to 85 | |
| 0 |
| Zinc (Zn), % | 0 to 0.0050 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.2 |