ASTM B540 Palladium vs. SAE-AISI 1026 Steel
ASTM B540 palladium belongs to the otherwise unclassified metals classification, while SAE-AISI 1026 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 1026 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 1.1 to 14 | |
| 17 to 27 |
| Fatigue Strength, MPa | 350 | |
| 200 to 310 |
| Poisson's Ratio | 0.38 | |
| 0.29 |
| Shear Modulus, GPa | 39 | |
| 73 |
| Shear Strength, MPa | 500 to 700 | |
| 320 to 340 |
| Tensile Strength: Ultimate (UTS), MPa | 830 to 1240 | |
| 500 to 550 |
| Tensile Strength: Yield (Proof), MPa | 620 to 1000 | |
| 270 to 470 |
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 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.9 to 5.5 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.5 to 3.9 | |
| 8.0 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 7.9 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 100 | |
| 89 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1790 to 4660 | |
| 200 to 580 |
| Stiffness to Weight: Axial, points | 4.7 | |
| 13 |
| Stiffness to Weight: Bending, points | 12 | |
| 24 |
| Strength to Weight: Axial, points | 18 to 27 | |
| 18 to 20 |
| Strength to Weight: Bending, points | 15 to 20 | |
| 18 to 19 |
| Thermal Shock Resistance, points | 41 to 61 | |
| 16 to 18 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.22 to 0.28 |
| Copper (Cu), % | 13.5 to 14.5 | |
| 0 |
| Gold (Au), % | 9.5 to 10.5 | |
| 0 |
| Iron (Fe), % | 0 | |
| 98.7 to 99.18 |
| Manganese (Mn), % | 0 | |
| 0.6 to 0.9 |
| 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 to 0.050 |
| Zinc (Zn), % | 0.8 to 1.2 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |