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