Commercially Pure Palladium vs. ASTM B522 Class I
Both commercially pure palladium and ASTM B522 class I are otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is commercially pure palladium and the bottom bar is ASTM B522 class I.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 96 |
| Elongation at Break, % | 1.1 to 11 | |
| 1.1 to 29 |
| Knoop Hardness | 68 to 130 | |
| 88 to 150 |
| Poisson's Ratio | 0.39 | |
| 0.41 |
| Shear Modulus, GPa | 43 | |
| 34 |
| Shear Strength, MPa | 120 to 200 | |
| 180 to 280 |
| Tensile Strength: Ultimate (UTS), MPa | 200 to 380 | |
| 280 to 490 |
Thermal Properties
| Latent Heat of Fusion, J/g | 160 | |
| 77 |
| Melting Completion (Liquidus), °C | 1550 | |
| 1030 |
| Melting Onset (Solidus), °C | 1550 | |
| 1030 |
| Specific Heat Capacity, J/kg-K | 240 | |
| 160 |
| Thermal Expansion, µm/m-K | 12 | |
| 15 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 16 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 12 | |
| 5.8 |
Otherwise Unclassified Properties
| Density, g/cm3 | 12 | |
| 17 |
Common Calculations
| Stiffness to Weight: Axial, points | 5.6 | |
| 3.1 |
| Stiffness to Weight: Bending, points | 14 | |
| 8.9 |
| Strength to Weight: Axial, points | 4.5 to 8.8 | |
| 4.4 to 7.8 |
| Strength to Weight: Bending, points | 6.2 to 9.7 | |
| 5.5 to 8.0 |
| Thermal Shock Resistance, points | 9.8 to 19 | |
| 13 to 24 |
Alloy Composition
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| Gold (Au), % | 0 | |
| 68 to 70 |
| Palladium (Pd), % | 99.8 to 100 | |
| 0 |
| Platinum (Pt), % | 0 | |
| 5.0 to 7.0 |
| Silver (Ag), % | 0 | |
| 23.5 to 26.5 |
| Residuals, % | 0 to 0.2 | |
| 0 to 0.35 |