ASTM B540 Palladium vs. ASTM B780 Alloy
Both ASTM B540 palladium and ASTM B780 alloy are otherwise unclassified metals. They have 44% of their average alloy composition in common. There are 17 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is ASTM B540 palladium and the bottom bar is ASTM B780 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 83 |
| Elongation at Break, % | 1.1 to 14 | |
| 1.1 to 9.1 |
| Poisson's Ratio | 0.38 | |
| 0.36 |
| Shear Modulus, GPa | 39 | |
| 30 |
| Shear Strength, MPa | 500 to 700 | |
| 200 to 340 |
| Tensile Strength: Ultimate (UTS), MPa | 830 to 1240 | |
| 330 to 590 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 140 |
| Specific Heat Capacity, J/kg-K | 240 | |
| 270 |
| Thermal Expansion, µm/m-K | 14 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.9 to 5.5 | |
| 70 to 76 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.5 to 3.9 | |
| 62 to 68 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 10 |
Common Calculations
| Stiffness to Weight: Axial, points | 4.7 | |
| 4.5 |
| Stiffness to Weight: Bending, points | 12 | |
| 14 |
| Strength to Weight: Axial, points | 18 to 27 | |
| 9.1 to 16 |
| Strength to Weight: Bending, points | 15 to 20 | |
| 11 to 15 |
| Thermal Shock Resistance, points | 41 to 61 | |
| 16 to 29 |
Alloy Composition
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| Cadmium (Cd), % | 0 | |
| 0 to 0.050 |
| Copper (Cu), % | 13.5 to 14.5 | |
| 23.5 to 25.7 |
| Gold (Au), % | 9.5 to 10.5 | |
| 0 |
| Iron (Fe), % | 0 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 | |
| 0 to 0.030 |
| Nickel (Ni), % | 0 | |
| 0.35 to 0.65 |
| Palladium (Pd), % | 34 to 36 | |
| 0 |
| Platinum (Pt), % | 9.5 to 10.5 | |
| 0 |
| Silver (Ag), % | 29 to 31 | |
| 74 to 76 |
| Zinc (Zn), % | 0.8 to 1.2 | |
| 0 to 0.060 |
| Residuals, % | 0 to 0.3 | |
| 0 |