ASTM B540 Palladium vs. S45503 Stainless Steel
ASTM B540 palladium belongs to the otherwise unclassified metals classification, while S45503 stainless steel belongs to the iron alloys. There are 20 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 S45503 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 1.1 to 14 | |
| 4.6 to 6.8 |
| Fatigue Strength, MPa | 350 | |
| 710 to 800 |
| Poisson's Ratio | 0.38 | |
| 0.28 |
| Shear Modulus, GPa | 39 | |
| 75 |
| Shear Strength, MPa | 500 to 700 | |
| 940 to 1070 |
| Tensile Strength: Ultimate (UTS), MPa | 830 to 1240 | |
| 1610 to 1850 |
| Tensile Strength: Yield (Proof), MPa | 620 to 1000 | |
| 1430 to 1700 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 270 |
| Melting Completion (Liquidus), °C | 1220 | |
| 1440 |
| Melting Onset (Solidus), °C | 1020 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 240 | |
| 470 |
| Thermal Expansion, µm/m-K | 14 | |
| 11 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 7.9 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 100 | |
| 82 to 110 |
| Stiffness to Weight: Axial, points | 4.7 | |
| 14 |
| Stiffness to Weight: Bending, points | 12 | |
| 24 |
| Strength to Weight: Axial, points | 18 to 27 | |
| 57 to 65 |
| Strength to Weight: Bending, points | 15 to 20 | |
| 39 to 43 |
| Thermal Shock Resistance, points | 41 to 61 | |
| 56 to 64 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0 to 0.010 |
| Chromium (Cr), % | 0 | |
| 11 to 12.5 |
| Copper (Cu), % | 13.5 to 14.5 | |
| 1.5 to 2.5 |
| Gold (Au), % | 9.5 to 10.5 | |
| 0 |
| Iron (Fe), % | 0 | |
| 72.4 to 78.9 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 | |
| 7.5 to 9.5 |
| Niobium (Nb), % | 0 | |
| 0.1 to 0.5 |
| Palladium (Pd), % | 34 to 36 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.010 |
| Platinum (Pt), % | 9.5 to 10.5 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.2 |
| Silver (Ag), % | 29 to 31 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 | |
| 1.0 to 1.4 |
| Zinc (Zn), % | 0.8 to 1.2 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |