Pure Palladium (Pd 99.9%) vs Pure Platinum (Pt 99.95%)
Property comparison of Pure Palladium (Pd 99.9%) and Pure Platinum (Pt 99.95%), both precious metal.
| Property | Pure Palladium (Pd 99.9%) | Pure Platinum (Pt 99.95%) | Difference |
|---|---|---|---|
| Tensile strength | 135 MPa | 145 MPa | +7% |
| Elongation | 30 % | 35 % | +17% |
| Elastic modulus | 121,000 MPa | 170,000 MPa | +40% |
| Poisson ratio | 0.39 | 0.39 | 0% |
| Density | 12,020 kg/m³ | 21,450 kg/m³ | +78% |
| Thermal conductivity | 72 W/m·K | 72 W/m·K | 0% |
| Specific heat | 245 J/kg·K | 132 J/kg·K | -46% |
| Coefficient of thermal expansion | 0.000012 1/K | 0.000009 1/K | -23% |
| Melting point | 1,554 °C | 1,769 °C | +14% |
Difference is Pure Platinum (Pt 99.95%) relative to Pure Palladium (Pd 99.9%). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- grade
- commercially pure
- standard
- AZoM Article ID 1339 / Smithells Metals Reference Book
- heat treatment
- annealed
- grade
- commercially pure
- standard
- ESPI Metals technical data / Johnson Matthey PMR 1966
- heat treatment
- annealed 700C
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