ASTM B540 Palladium vs. AISI 205 Stainless Steel
ASTM B540 palladium belongs to the otherwise unclassified metals classification, while AISI 205 stainless steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is ASTM B540 palladium and the bottom bar is AISI 205 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 200 |
| Elongation at Break, % | 1.1 to 14 | |
| 11 to 51 |
| Fatigue Strength, MPa | 350 | |
| 410 to 640 |
| Poisson's Ratio | 0.38 | |
| 0.28 |
| Shear Modulus, GPa | 39 | |
| 77 |
| Shear Strength, MPa | 500 to 700 | |
| 560 to 850 |
| Tensile Strength: Ultimate (UTS), MPa | 830 to 1240 | |
| 800 to 1430 |
| Tensile Strength: Yield (Proof), MPa | 620 to 1000 | |
| 450 to 1100 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 280 |
| Melting Completion (Liquidus), °C | 1220 | |
| 1380 |
| Melting Onset (Solidus), °C | 1020 | |
| 1340 |
| Specific Heat Capacity, J/kg-K | 240 | |
| 480 |
| Thermal Expansion, µm/m-K | 14 | |
| 18 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 7.6 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 100 | |
| 150 to 430 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1790 to 4660 | |
| 510 to 3060 |
| Stiffness to Weight: Axial, points | 4.7 | |
| 14 |
| Stiffness to Weight: Bending, points | 12 | |
| 26 |
| Strength to Weight: Axial, points | 18 to 27 | |
| 29 to 52 |
| Strength to Weight: Bending, points | 15 to 20 | |
| 25 to 37 |
| Thermal Shock Resistance, points | 41 to 61 | |
| 16 to 29 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0.12 to 0.25 |
| Chromium (Cr), % | 0 | |
| 16.5 to 18.5 |
| Copper (Cu), % | 13.5 to 14.5 | |
| 0 |
| Gold (Au), % | 9.5 to 10.5 | |
| 0 |
| Iron (Fe), % | 0 | |
| 62.6 to 68.1 |
| Manganese (Mn), % | 0 | |
| 14 to 15.5 |
| Nickel (Ni), % | 0 | |
| 1.0 to 1.7 |
| Nitrogen (N), % | 0 | |
| 0.32 to 0.4 |
| Palladium (Pd), % | 34 to 36 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.060 |
| Platinum (Pt), % | 9.5 to 10.5 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Silver (Ag), % | 29 to 31 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Zinc (Zn), % | 0.8 to 1.2 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |