AWS BAg-20 vs. Grade 15 Babbitt Metal
Both AWS BAg-20 and grade 15 Babbitt Metal are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. There are 13 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is AWS BAg-20 and the bottom bar is grade 15 Babbitt Metal.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 93 | |
| 23 |
| Poisson's Ratio | 0.32 | |
| 0.4 |
| Shear Modulus, GPa | 35 | |
| 8.2 |
Thermal Properties
| Latent Heat of Fusion, J/g | 150 | |
| 46 |
| Melting Completion (Liquidus), °C | 770 | |
| 280 |
| Melting Onset (Solidus), °C | 680 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 340 | |
| 140 |
| Thermal Expansion, µm/m-K | 21 | |
| 26 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.6 | |
| 10 |
| Embodied Carbon, kg CO2/kg material | 30 | |
| 3.6 |
| Embodied Energy, MJ/kg | 480 | |
| 47 |
Common Calculations
| Stiffness to Weight: Axial, points | 6.0 | |
| 1.2 |
| Stiffness to Weight: Bending, points | 17 | |
| 9.0 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 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 |
| Copper (Cu), % | 37 to 39 | |
| 0 to 0.6 |
| Iron (Fe), % | 0 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 79 to 83.9 |
| Silver (Ag), % | 29 to 31 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0.8 to 1.2 |
| Zinc (Zn), % | 30 to 34 | |
| 0 to 0.0050 |
| Residuals, % | 0 to 0.15 | |
| 0 |