ASTM B540 Palladium vs. Grey Cast Iron
ASTM B540 palladium belongs to the otherwise unclassified metals classification, while grey cast iron belongs to the iron alloys. There are 23 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 grey cast iron.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 180 |
| Elongation at Break, % | 1.1 to 14 | |
| 9.6 |
| Fatigue Strength, MPa | 350 | |
| 69 to 170 |
| Poisson's Ratio | 0.38 | |
| 0.29 |
| Shear Modulus, GPa | 39 | |
| 69 |
| Shear Strength, MPa | 500 to 700 | |
| 180 to 610 |
| Tensile Strength: Ultimate (UTS), MPa | 830 to 1240 | |
| 160 to 450 |
| Tensile Strength: Yield (Proof), MPa | 620 to 1000 | |
| 98 to 290 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 280 |
| Melting Completion (Liquidus), °C | 1220 | |
| 1380 |
| Melting Onset (Solidus), °C | 1020 | |
| 1180 |
| Specific Heat Capacity, J/kg-K | 240 | |
| 490 |
| Thermal Expansion, µm/m-K | 14 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.9 to 5.5 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.5 to 3.9 | |
| 8.9 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 7.5 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 100 | |
| 13 to 37 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1790 to 4660 | |
| 27 to 240 |
| Stiffness to Weight: Axial, points | 4.7 | |
| 13 |
| Stiffness to Weight: Bending, points | 12 | |
| 25 |
| Strength to Weight: Axial, points | 18 to 27 | |
| 5.8 to 17 |
| Strength to Weight: Bending, points | 15 to 20 | |
| 8.7 to 17 |
| Thermal Shock Resistance, points | 41 to 61 | |
| 6.0 to 17 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 3.1 to 3.4 |
| Copper (Cu), % | 13.5 to 14.5 | |
| 0 |
| Gold (Au), % | 9.5 to 10.5 | |
| 0 |
| Iron (Fe), % | 0 | |
| 92.1 to 93.9 |
| Manganese (Mn), % | 0 | |
| 0.5 to 0.7 |
| Palladium (Pd), % | 34 to 36 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.9 |
| Platinum (Pt), % | 9.5 to 10.5 | |
| 0 |
| Silicon (Si), % | 0 | |
| 2.5 to 2.8 |
| Silver (Ag), % | 29 to 31 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.15 |
| Zinc (Zn), % | 0.8 to 1.2 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |