ASTM B540 Palladium vs. Nickel 718
ASTM B540 palladium belongs to the otherwise unclassified metals classification, while nickel 718 belongs to the nickel alloys. There are 23 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 nickel 718.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 1.1 to 14 | |
| 12 to 50 |
| Fatigue Strength, MPa | 350 | |
| 460 to 760 |
| Poisson's Ratio | 0.38 | |
| 0.29 |
| Shear Modulus, GPa | 39 | |
| 75 |
| Shear Strength, MPa | 500 to 700 | |
| 660 to 950 |
| Tensile Strength: Ultimate (UTS), MPa | 830 to 1240 | |
| 930 to 1530 |
| Tensile Strength: Yield (Proof), MPa | 620 to 1000 | |
| 510 to 1330 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 310 |
| Melting Completion (Liquidus), °C | 1220 | |
| 1340 |
| Melting Onset (Solidus), °C | 1020 | |
| 1260 |
| Specific Heat Capacity, J/kg-K | 240 | |
| 450 |
| Thermal Expansion, µm/m-K | 14 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.9 to 5.5 | |
| 1.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.5 to 3.9 | |
| 1.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 8.3 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 100 | |
| 140 to 390 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1790 to 4660 | |
| 660 to 4560 |
| Stiffness to Weight: Axial, points | 4.7 | |
| 13 |
| Stiffness to Weight: Bending, points | 12 | |
| 23 |
| Strength to Weight: Axial, points | 18 to 27 | |
| 31 to 51 |
| Strength to Weight: Bending, points | 15 to 20 | |
| 25 to 35 |
| Thermal Shock Resistance, points | 41 to 61 | |
| 27 to 44 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0.2 to 0.8 |
| Boron (B), % | 0 | |
| 0 to 0.0060 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 | |
| 17 to 21 |
| Cobalt (Co), % | 0 | |
| 0 to 1.0 |
| Copper (Cu), % | 13.5 to 14.5 | |
| 0 to 0.3 |
| Gold (Au), % | 9.5 to 10.5 | |
| 0 |
| Iron (Fe), % | 0 | |
| 11.1 to 24.6 |
| Manganese (Mn), % | 0 | |
| 0 to 0.35 |
| Molybdenum (Mo), % | 0 | |
| 2.8 to 3.3 |
| Nickel (Ni), % | 0 | |
| 50 to 55 |
| Niobium (Nb), % | 0 | |
| 4.8 to 5.5 |
| Palladium (Pd), % | 34 to 36 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Platinum (Pt), % | 9.5 to 10.5 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.35 |
| Silver (Ag), % | 29 to 31 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 | |
| 0.65 to 1.2 |
| Zinc (Zn), % | 0.8 to 1.2 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |