Full-hard ASTM B780 Alloy vs. Full-hard Palladium
Both full-hard ASTM B780 alloy and full-hard palladium are otherwise unclassified metals. Both are furnished in the full-hard temper. There are 16 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is full-hard ASTM B780 alloy and the bottom bar is full-hard palladium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 83 | |
| 120 |
| Poisson's Ratio | 0.36 | |
| 0.39 |
| Shear Modulus, GPa | 30 | |
| 43 |
| Tensile Strength: Ultimate (UTS), MPa | 490 | |
| 380 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 160 |
| Melting Completion (Liquidus), °C | 860 | |
| 1550 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 240 |
| Thermal Expansion, µm/m-K | 18 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 70 | |
| 16 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 62 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 10 | |
| 12 |
Common Calculations
| Stiffness to Weight: Axial, points | 4.5 | |
| 5.6 |
| Stiffness to Weight: Bending, points | 14 | |
| 14 |
| Strength to Weight: Axial, points | 13 | |
| 8.8 |
| Strength to Weight: Bending, points | 14 | |
| 9.7 |
| Thermal Shock Resistance, points | 24 | |
| 19 |
Alloy Composition
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| Cadmium (Cd), % | 0 to 0.050 | |
| 0 |
| Copper (Cu), % | 23.5 to 25.7 | |
| 0 |
| Iron (Fe), % | 0 to 0.050 | |
| 0 |
| Lead (Pb), % | 0 to 0.030 | |
| 0 |
| Nickel (Ni), % | 0.35 to 0.65 | |
| 0 |
| Palladium (Pd), % | 0 | |
| 99.8 to 100 |
| Silver (Ag), % | 74 to 76 | |
| 0 |
| Zinc (Zn), % | 0 to 0.060 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.2 |