ASTM B540 Palladium vs. AISI 305 Stainless Steel
ASTM B540 palladium belongs to the otherwise unclassified metals classification, while AISI 305 stainless steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is ASTM B540 palladium and the bottom bar is AISI 305 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 200 |
| Elongation at Break, % | 1.1 to 14 | |
| 34 to 45 |
| Fatigue Strength, MPa | 350 | |
| 210 to 280 |
| Poisson's Ratio | 0.38 | |
| 0.28 |
| Shear Modulus, GPa | 39 | |
| 77 |
| Shear Strength, MPa | 500 to 700 | |
| 400 to 470 |
| Tensile Strength: Ultimate (UTS), MPa | 830 to 1240 | |
| 580 to 710 |
| Tensile Strength: Yield (Proof), MPa | 620 to 1000 | |
| 230 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 290 |
| Melting Completion (Liquidus), °C | 1220 | |
| 1450 |
| Melting Onset (Solidus), °C | 1020 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 240 | |
| 480 |
| Thermal Expansion, µm/m-K | 14 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.9 to 5.5 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.5 to 3.9 | |
| 2.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 7.8 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 100 | |
| 200 to 210 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1790 to 4660 | |
| 130 to 320 |
| Stiffness to Weight: Axial, points | 4.7 | |
| 14 |
| Stiffness to Weight: Bending, points | 12 | |
| 25 |
| Strength to Weight: Axial, points | 18 to 27 | |
| 20 to 25 |
| Strength to Weight: Bending, points | 15 to 20 | |
| 20 to 23 |
| Thermal Shock Resistance, points | 41 to 61 | |
| 13 to 15 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0 to 0.12 |
| Chromium (Cr), % | 0 | |
| 17 to 19 |
| Copper (Cu), % | 13.5 to 14.5 | |
| 0 |
| Gold (Au), % | 9.5 to 10.5 | |
| 0 |
| Iron (Fe), % | 0 | |
| 65.1 to 72.5 |
| Manganese (Mn), % | 0 | |
| 0 to 2.0 |
| Nickel (Ni), % | 0 | |
| 10.5 to 13 |
| Palladium (Pd), % | 34 to 36 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Platinum (Pt), % | 9.5 to 10.5 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.75 |
| 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 |