ASTM B540 Palladium vs. EN 1.4477 Stainless Steel
ASTM B540 palladium belongs to the otherwise unclassified metals classification, while EN 1.4477 stainless steel belongs to the iron 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 EN 1.4477 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 210 |
| Elongation at Break, % | 1.1 to 14 | |
| 22 to 23 |
| Fatigue Strength, MPa | 350 | |
| 420 to 490 |
| Poisson's Ratio | 0.38 | |
| 0.27 |
| Shear Modulus, GPa | 39 | |
| 81 |
| Shear Strength, MPa | 500 to 700 | |
| 550 to 580 |
| Tensile Strength: Ultimate (UTS), MPa | 830 to 1240 | |
| 880 to 930 |
| Tensile Strength: Yield (Proof), MPa | 620 to 1000 | |
| 620 to 730 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 300 |
| Melting Completion (Liquidus), °C | 1220 | |
| 1430 |
| Melting Onset (Solidus), °C | 1020 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 240 | |
| 480 |
| Thermal Expansion, µm/m-K | 14 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.9 to 5.5 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.5 to 3.9 | |
| 2.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 7.7 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 100 | |
| 180 to 190 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1790 to 4660 | |
| 940 to 1290 |
| Stiffness to Weight: Axial, points | 4.7 | |
| 15 |
| Stiffness to Weight: Bending, points | 12 | |
| 25 |
| Strength to Weight: Axial, points | 18 to 27 | |
| 31 to 33 |
| Strength to Weight: Bending, points | 15 to 20 | |
| 26 to 27 |
| Thermal Shock Resistance, points | 41 to 61 | |
| 23 to 25 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0 | |
| 28 to 30 |
| Copper (Cu), % | 13.5 to 14.5 | |
| 0 to 0.8 |
| Gold (Au), % | 9.5 to 10.5 | |
| 0 |
| Iron (Fe), % | 0 | |
| 56.6 to 63.6 |
| Manganese (Mn), % | 0 | |
| 0.8 to 1.5 |
| Molybdenum (Mo), % | 0 | |
| 1.5 to 2.6 |
| Nickel (Ni), % | 0 | |
| 5.8 to 7.5 |
| Nitrogen (N), % | 0 | |
| 0.3 to 0.4 |
| Palladium (Pd), % | 34 to 36 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Platinum (Pt), % | 9.5 to 10.5 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Silver (Ag), % | 29 to 31 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Zinc (Zn), % | 0.8 to 1.2 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |