ASTM B540 Palladium vs. EN 1.4938 Stainless Steel
ASTM B540 palladium belongs to the otherwise unclassified metals classification, while EN 1.4938 stainless steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is ASTM B540 palladium and the bottom bar is EN 1.4938 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 200 |
| Elongation at Break, % | 1.1 to 14 | |
| 16 to 17 |
| Fatigue Strength, MPa | 350 | |
| 390 to 520 |
| Poisson's Ratio | 0.38 | |
| 0.28 |
| Shear Modulus, GPa | 39 | |
| 76 |
| Shear Strength, MPa | 500 to 700 | |
| 540 to 630 |
| Tensile Strength: Ultimate (UTS), MPa | 830 to 1240 | |
| 870 to 1030 |
| Tensile Strength: Yield (Proof), MPa | 620 to 1000 | |
| 640 to 870 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 270 |
| Melting Completion (Liquidus), °C | 1220 | |
| 1460 |
| Melting Onset (Solidus), °C | 1020 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 240 | |
| 470 |
| Thermal Expansion, µm/m-K | 14 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.9 to 5.5 | |
| 2.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.5 to 3.9 | |
| 3.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 7.8 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 100 | |
| 140 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1790 to 4660 | |
| 1050 to 1920 |
| Stiffness to Weight: Axial, points | 4.7 | |
| 14 |
| Stiffness to Weight: Bending, points | 12 | |
| 25 |
| Strength to Weight: Axial, points | 18 to 27 | |
| 31 to 37 |
| Strength to Weight: Bending, points | 15 to 20 | |
| 26 to 29 |
| Thermal Shock Resistance, points | 41 to 61 | |
| 30 to 35 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.080 to 0.15 |
| Chromium (Cr), % | 0 | |
| 11 to 12.5 |
| Copper (Cu), % | 13.5 to 14.5 | |
| 0 |
| Gold (Au), % | 9.5 to 10.5 | |
| 0 |
| Iron (Fe), % | 0 | |
| 80.5 to 84.8 |
| Manganese (Mn), % | 0 | |
| 0.4 to 0.9 |
| Molybdenum (Mo), % | 0 | |
| 1.5 to 2.0 |
| Nickel (Ni), % | 0 | |
| 2.0 to 3.0 |
| Nitrogen (N), % | 0 | |
| 0.020 to 0.040 |
| Palladium (Pd), % | 34 to 36 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.025 |
| 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 |
| Vanadium (V), % | 0 | |
| 0.25 to 0.4 |
| Zinc (Zn), % | 0.8 to 1.2 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |