ASTM B540 Palladium vs. C82500 Copper
ASTM B540 palladium belongs to the otherwise unclassified metals classification, while C82500 copper belongs to the copper alloys. There are 21 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 C82500 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 1.1 to 14 | |
| 1.0 to 20 |
| Poisson's Ratio | 0.38 | |
| 0.33 |
| Shear Modulus, GPa | 39 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 830 to 1240 | |
| 550 to 1100 |
| Tensile Strength: Yield (Proof), MPa | 620 to 1000 | |
| 310 to 980 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 240 |
| Melting Completion (Liquidus), °C | 1220 | |
| 980 |
| Melting Onset (Solidus), °C | 1020 | |
| 860 |
| Specific Heat Capacity, J/kg-K | 240 | |
| 390 |
| Thermal Expansion, µm/m-K | 14 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.9 to 5.5 | |
| 20 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.5 to 3.9 | |
| 21 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 8.8 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 100 | |
| 11 to 94 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1790 to 4660 | |
| 400 to 4000 |
| Stiffness to Weight: Axial, points | 4.7 | |
| 7.7 |
| Stiffness to Weight: Bending, points | 12 | |
| 19 |
| Strength to Weight: Axial, points | 18 to 27 | |
| 18 to 35 |
| Strength to Weight: Bending, points | 15 to 20 | |
| 17 to 27 |
| Thermal Shock Resistance, points | 41 to 61 | |
| 19 to 38 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.15 |
| Beryllium (Be), % | 0 | |
| 1.9 to 2.3 |
| Chromium (Cr), % | 0 | |
| 0 to 0.1 |
| Cobalt (Co), % | 0 | |
| 0.15 to 0.7 |
| Copper (Cu), % | 13.5 to 14.5 | |
| 95.3 to 97.8 |
| Gold (Au), % | 9.5 to 10.5 | |
| 0 |
| Iron (Fe), % | 0 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 | |
| 0 to 0.020 |
| Nickel (Ni), % | 0 | |
| 0 to 0.2 |
| Palladium (Pd), % | 34 to 36 | |
| 0 |
| Platinum (Pt), % | 9.5 to 10.5 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0.2 to 0.35 |
| Silver (Ag), % | 29 to 31 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.1 |
| Titanium (Ti), % | 0 | |
| 0 to 0.12 |
| Zinc (Zn), % | 0.8 to 1.2 | |
| 0 to 0.1 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.5 |