ASTM B540 Palladium vs. SAE-AISI 1146 Steel
ASTM B540 palladium belongs to the otherwise unclassified metals classification, while SAE-AISI 1146 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 SAE-AISI 1146 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 1.1 to 14 | |
| 13 to 17 |
| Fatigue Strength, MPa | 350 | |
| 240 to 400 |
| Poisson's Ratio | 0.38 | |
| 0.29 |
| Shear Modulus, GPa | 39 | |
| 72 |
| Shear Strength, MPa | 500 to 700 | |
| 410 to 440 |
| Tensile Strength: Ultimate (UTS), MPa | 830 to 1240 | |
| 670 to 730 |
| Tensile Strength: Yield (Proof), MPa | 620 to 1000 | |
| 360 to 630 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 250 |
| 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 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.9 to 5.5 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.5 to 3.9 | |
| 8.1 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 7.8 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 100 | |
| 93 to 97 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1790 to 4660 | |
| 340 to 1050 |
| Stiffness to Weight: Axial, points | 4.7 | |
| 13 |
| Stiffness to Weight: Bending, points | 12 | |
| 24 |
| Strength to Weight: Axial, points | 18 to 27 | |
| 24 to 26 |
| Strength to Weight: Bending, points | 15 to 20 | |
| 22 to 23 |
| Thermal Shock Resistance, points | 41 to 61 | |
| 20 to 22 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.42 to 0.49 |
| Copper (Cu), % | 13.5 to 14.5 | |
| 0 |
| Gold (Au), % | 9.5 to 10.5 | |
| 0 |
| Iron (Fe), % | 0 | |
| 98.3 to 98.8 |
| Manganese (Mn), % | 0 | |
| 0.7 to 1.0 |
| Palladium (Pd), % | 34 to 36 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Platinum (Pt), % | 9.5 to 10.5 | |
| 0 |
| Silver (Ag), % | 29 to 31 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0.080 to 0.13 |
| Zinc (Zn), % | 0.8 to 1.2 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |