ASTM B540 Palladium vs. C18700 Copper
ASTM B540 palladium belongs to the otherwise unclassified metals classification, while C18700 copper belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is ASTM B540 palladium and the bottom bar is C18700 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 1.1 to 14 | |
| 9.0 to 9.6 |
| Poisson's Ratio | 0.38 | |
| 0.34 |
| Shear Modulus, GPa | 39 | |
| 43 |
| Shear Strength, MPa | 500 to 700 | |
| 170 to 190 |
| Tensile Strength: Ultimate (UTS), MPa | 830 to 1240 | |
| 290 to 330 |
| Tensile Strength: Yield (Proof), MPa | 620 to 1000 | |
| 230 to 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 210 |
| Melting Completion (Liquidus), °C | 1220 | |
| 1080 |
| Melting Onset (Solidus), °C | 1020 | |
| 950 |
| Specific Heat Capacity, J/kg-K | 240 | |
| 380 |
| Thermal Expansion, µm/m-K | 14 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.9 to 5.5 | |
| 98 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.5 to 3.9 | |
| 99 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 9.0 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 100 | |
| 24 to 29 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1790 to 4660 | |
| 240 to 280 |
| Stiffness to Weight: Axial, points | 4.7 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 12 | |
| 18 |
| Strength to Weight: Axial, points | 18 to 27 | |
| 9.0 to 10 |
| Strength to Weight: Bending, points | 15 to 20 | |
| 11 to 12 |
| Thermal Shock Resistance, points | 41 to 61 | |
| 10 to 12 |
Alloy Composition
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| Copper (Cu), % | 13.5 to 14.5 | |
| 98 to 99.2 |
| Gold (Au), % | 9.5 to 10.5 | |
| 0 |
| Lead (Pb), % | 0 | |
| 0.8 to 1.5 |
| 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 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.5 |