ASTM B540 Palladium vs. C55181 Copper
ASTM B540 palladium belongs to the otherwise unclassified metals classification, while C55181 copper belongs to the copper alloys. There are 15 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.
For each property being compared, the top bar is ASTM B540 palladium and the bottom bar is C55181 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Poisson's Ratio | 0.38 | |
| 0.34 |
| Shear Modulus, GPa | 39 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 830 to 1240 | |
| 200 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 190 |
| Melting Completion (Liquidus), °C | 1220 | |
| 790 |
| Melting Onset (Solidus), °C | 1020 | |
| 710 |
| Specific Heat Capacity, J/kg-K | 240 | |
| 410 |
| Thermal Expansion, µm/m-K | 14 | |
| 16 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 8.5 |
Common Calculations
| Stiffness to Weight: Axial, points | 4.7 | |
| 7.0 |
| Stiffness to Weight: Bending, points | 12 | |
| 19 |
| Strength to Weight: Axial, points | 18 to 27 | |
| 6.5 |
| Strength to Weight: Bending, points | 15 to 20 | |
| 8.9 |
| Thermal Shock Resistance, points | 41 to 61 | |
| 8.2 |
Alloy Composition
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| Copper (Cu), % | 13.5 to 14.5 | |
| 92.4 to 93 |
| Gold (Au), % | 9.5 to 10.5 | |
| 0 |
| Palladium (Pd), % | 34 to 36 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 7.0 to 7.5 |
| Platinum (Pt), % | 9.5 to 10.5 | |
| 0 |
| Silver (Ag), % | 29 to 31 | |
| 0 |
| Zinc (Zn), % | 0.8 to 1.2 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.15 |