ASTM B540 Palladium vs. SAE-AISI M50 Steel
ASTM B540 palladium belongs to the otherwise unclassified metals classification, while SAE-AISI M50 steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is ASTM B540 palladium and the bottom bar is SAE-AISI M50 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Poisson's Ratio | 0.38 | |
| 0.29 |
| Shear Modulus, GPa | 39 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 830 to 1240 | |
| 720 to 2250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 260 |
| Melting Completion (Liquidus), °C | 1220 | |
| 1480 |
| Melting Onset (Solidus), °C | 1020 | |
| 1440 |
| Specific Heat Capacity, J/kg-K | 240 | |
| 470 |
| Thermal Expansion, µm/m-K | 14 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.9 to 5.5 | |
| 8.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.5 to 3.9 | |
| 10 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 7.9 |
Common Calculations
| Stiffness to Weight: Axial, points | 4.7 | |
| 14 |
| Stiffness to Weight: Bending, points | 12 | |
| 25 |
| Strength to Weight: Axial, points | 18 to 27 | |
| 26 to 80 |
| Strength to Weight: Bending, points | 15 to 20 | |
| 23 to 49 |
| Thermal Shock Resistance, points | 41 to 61 | |
| 21 to 66 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.78 to 0.88 |
| Chromium (Cr), % | 0 | |
| 3.8 to 4.5 |
| Copper (Cu), % | 13.5 to 14.5 | |
| 0 to 0.25 |
| Gold (Au), % | 9.5 to 10.5 | |
| 0 |
| Iron (Fe), % | 0 | |
| 87 to 90.4 |
| Manganese (Mn), % | 0 | |
| 0.15 to 0.45 |
| Molybdenum (Mo), % | 0 | |
| 3.9 to 4.8 |
| Nickel (Ni), % | 0 | |
| 0 to 0.3 |
| Palladium (Pd), % | 34 to 36 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Platinum (Pt), % | 9.5 to 10.5 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0.2 to 0.6 |
| Silver (Ag), % | 29 to 31 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Vanadium (V), % | 0 | |
| 0.8 to 1.3 |
| Zinc (Zn), % | 0.8 to 1.2 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |