ASTM B540 Palladium vs. C19020 Copper
ASTM B540 palladium belongs to the otherwise unclassified metals classification, while C19020 copper belongs to the copper alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is ASTM B540 palladium and the bottom bar is C19020 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 1.1 to 14 | |
| 2.3 to 5.7 |
| Poisson's Ratio | 0.38 | |
| 0.34 |
| Shear Modulus, GPa | 39 | |
| 44 |
| Shear Strength, MPa | 500 to 700 | |
| 260 to 340 |
| Tensile Strength: Ultimate (UTS), MPa | 830 to 1240 | |
| 440 to 590 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 210 |
| Melting Completion (Liquidus), °C | 1220 | |
| 1090 |
| Melting Onset (Solidus), °C | 1020 | |
| 1030 |
| 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 | |
| 50 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.5 to 3.9 | |
| 50 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 8.9 |
Common Calculations
| Stiffness to Weight: Axial, points | 4.7 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 12 | |
| 18 |
| Strength to Weight: Axial, points | 18 to 27 | |
| 14 to 18 |
| Strength to Weight: Bending, points | 15 to 20 | |
| 14 to 18 |
| Thermal Shock Resistance, points | 41 to 61 | |
| 16 to 21 |
Alloy Composition
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| Copper (Cu), % | 13.5 to 14.5 | |
| 95.7 to 99.19 |
| Gold (Au), % | 9.5 to 10.5 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0.5 to 3.0 |
| Palladium (Pd), % | 34 to 36 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0.010 to 0.2 |
| Platinum (Pt), % | 9.5 to 10.5 | |
| 0 |
| Silver (Ag), % | 29 to 31 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0.3 to 0.9 |
| Zinc (Zn), % | 0.8 to 1.2 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.2 |