Commercially Pure Palladium vs. ASTM Grade HP Steel
Commercially pure palladium belongs to the otherwise unclassified metals classification, while ASTM grade HP steel belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.
For each property being compared, the top bar is commercially pure palladium and the bottom bar is ASTM grade HP steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 200 |
| Elongation at Break, % | 1.1 to 11 | |
| 5.1 |
| Poisson's Ratio | 0.39 | |
| 0.28 |
| Shear Modulus, GPa | 43 | |
| 78 |
| Tensile Strength: Ultimate (UTS), MPa | 200 to 380 | |
| 490 |
Thermal Properties
| Latent Heat of Fusion, J/g | 160 | |
| 320 |
| Melting Completion (Liquidus), °C | 1550 | |
| 1370 |
| Melting Onset (Solidus), °C | 1550 | |
| 1330 |
| Specific Heat Capacity, J/kg-K | 240 | |
| 480 |
| Thermal Expansion, µm/m-K | 12 | |
| 16 |
Otherwise Unclassified Properties
| Density, g/cm3 | 12 | |
| 7.9 |
Common Calculations
| Stiffness to Weight: Axial, points | 5.6 | |
| 14 |
| Stiffness to Weight: Bending, points | 14 | |
| 25 |
| Strength to Weight: Axial, points | 4.5 to 8.8 | |
| 17 |
| Strength to Weight: Bending, points | 6.2 to 9.7 | |
| 17 |
| Thermal Shock Resistance, points | 9.8 to 19 | |
| 11 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0.35 to 0.75 |
| Chromium (Cr), % | 0 | |
| 24 to 28 |
| Iron (Fe), % | 0 | |
| 29.2 to 42.7 |
| Manganese (Mn), % | 0 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 | |
| 33 to 37 |
| Palladium (Pd), % | 99.8 to 100 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 0 to 2.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.040 |
| Residuals, % | 0 to 0.2 | |
| 0 |