ASTM B540 Palladium vs. EN 1.4020 Stainless Steel
ASTM B540 palladium belongs to the otherwise unclassified metals classification, while EN 1.4020 stainless steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is ASTM B540 palladium and the bottom bar is EN 1.4020 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 200 |
| Elongation at Break, % | 1.1 to 14 | |
| 13 to 34 |
| Fatigue Strength, MPa | 350 | |
| 340 to 540 |
| Poisson's Ratio | 0.38 | |
| 0.28 |
| Shear Modulus, GPa | 39 | |
| 77 |
| Shear Strength, MPa | 500 to 700 | |
| 510 to 680 |
| Tensile Strength: Ultimate (UTS), MPa | 830 to 1240 | |
| 770 to 1130 |
| Tensile Strength: Yield (Proof), MPa | 620 to 1000 | |
| 430 to 950 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 280 |
| Melting Completion (Liquidus), °C | 1220 | |
| 1390 |
| Melting Onset (Solidus), °C | 1020 | |
| 1350 |
| Specific Heat Capacity, J/kg-K | 240 | |
| 480 |
| Thermal Expansion, µm/m-K | 14 | |
| 17 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 7.6 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 100 | |
| 140 to 220 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1790 to 4660 | |
| 460 to 2290 |
| Stiffness to Weight: Axial, points | 4.7 | |
| 14 |
| Stiffness to Weight: Bending, points | 12 | |
| 25 |
| Strength to Weight: Axial, points | 18 to 27 | |
| 28 to 41 |
| Strength to Weight: Bending, points | 15 to 20 | |
| 25 to 32 |
| Thermal Shock Resistance, points | 41 to 61 | |
| 16 to 23 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0 to 0.15 |
| Chromium (Cr), % | 0 | |
| 16.5 to 19 |
| Copper (Cu), % | 13.5 to 14.5 | |
| 0 |
| Gold (Au), % | 9.5 to 10.5 | |
| 0 |
| Iron (Fe), % | 0 | |
| 62.8 to 71.8 |
| Manganese (Mn), % | 0 | |
| 11 to 14 |
| Nickel (Ni), % | 0 | |
| 0.5 to 2.5 |
| Nitrogen (N), % | 0 | |
| 0.2 to 0.45 |
| Palladium (Pd), % | 34 to 36 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Platinum (Pt), % | 9.5 to 10.5 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Silver (Ag), % | 29 to 31 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Zinc (Zn), % | 0.8 to 1.2 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |