ASTM B540 Palladium vs. C71000 Copper-nickel
ASTM B540 palladium belongs to the otherwise unclassified metals classification, while C71000 copper-nickel belongs to the copper alloys. There are 17 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.
For each property being compared, the top bar is ASTM B540 palladium and the bottom bar is C71000 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 130 |
| Poisson's Ratio | 0.38 | |
| 0.33 |
| Shear Modulus, GPa | 39 | |
| 49 |
| Tensile Strength: Ultimate (UTS), MPa | 830 to 1240 | |
| 320 to 560 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 230 |
| Melting Completion (Liquidus), °C | 1220 | |
| 1200 |
| Melting Onset (Solidus), °C | 1020 | |
| 1150 |
| Specific Heat Capacity, J/kg-K | 240 | |
| 400 |
| Thermal Expansion, µm/m-K | 14 | |
| 15 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.9 to 5.5 | |
| 6.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.5 to 3.9 | |
| 6.6 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 8.9 |
Common Calculations
| Stiffness to Weight: Axial, points | 4.7 | |
| 8.2 |
| Stiffness to Weight: Bending, points | 12 | |
| 19 |
| Strength to Weight: Axial, points | 18 to 27 | |
| 10 to 18 |
| Strength to Weight: Bending, points | 15 to 20 | |
| 12 to 17 |
| Thermal Shock Resistance, points | 41 to 61 | |
| 12 to 20 |
Alloy Composition
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| Copper (Cu), % | 13.5 to 14.5 | |
| 73.5 to 80.5 |
| Gold (Au), % | 9.5 to 10.5 | |
| 0 |
| Iron (Fe), % | 0 | |
| 0.5 to 1.0 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Nickel (Ni), % | 0 | |
| 19 to 23 |
| Palladium (Pd), % | 34 to 36 | |
| 0 |
| Platinum (Pt), % | 9.5 to 10.5 | |
| 0 |
| Silver (Ag), % | 29 to 31 | |
| 0 |
| Zinc (Zn), % | 0.8 to 1.2 | |
| 0 to 1.0 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.5 |