ASTM B540 Palladium vs. ASTM B817 Type I
ASTM B540 palladium belongs to the otherwise unclassified metals classification, while ASTM B817 type I belongs to the titanium alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is ASTM B540 palladium and the bottom bar is ASTM B817 type I.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Elongation at Break, % | 1.1 to 14 | |
| 4.0 to 13 |
| Fatigue Strength, MPa | 350 | |
| 360 to 520 |
| Poisson's Ratio | 0.38 | |
| 0.32 |
| Shear Modulus, GPa | 39 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 830 to 1240 | |
| 770 to 960 |
| Tensile Strength: Yield (Proof), MPa | 620 to 1000 | |
| 700 to 860 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 410 |
| Melting Completion (Liquidus), °C | 1220 | |
| 1600 |
| Melting Onset (Solidus), °C | 1020 | |
| 1550 |
| Specific Heat Capacity, J/kg-K | 240 | |
| 560 |
| Thermal Expansion, µm/m-K | 14 | |
| 9.6 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.9 to 5.5 | |
| 1.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.5 to 3.9 | |
| 2.0 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 4.4 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 100 | |
| 30 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1790 to 4660 | |
| 2310 to 3540 |
| Stiffness to Weight: Axial, points | 4.7 | |
| 13 |
| Stiffness to Weight: Bending, points | 12 | |
| 35 |
| Strength to Weight: Axial, points | 18 to 27 | |
| 48 to 60 |
| Strength to Weight: Bending, points | 15 to 20 | |
| 42 to 49 |
| Thermal Shock Resistance, points | 41 to 61 | |
| 54 to 68 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 5.5 to 6.8 |
| Carbon (C), % | 0 | |
| 0 to 0.1 |
| Chlorine (Cl), % | 0 | |
| 0 to 0.2 |
| Copper (Cu), % | 13.5 to 14.5 | |
| 0 |
| Gold (Au), % | 9.5 to 10.5 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 | |
| 0 to 0.4 |
| Nitrogen (N), % | 0 | |
| 0 to 0.040 |
| Oxygen (O), % | 0 | |
| 0 to 0.3 |
| Palladium (Pd), % | 34 to 36 | |
| 0 |
| Platinum (Pt), % | 9.5 to 10.5 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.1 |
| Silver (Ag), % | 29 to 31 | |
| 0 |
| Sodium (Na), % | 0 | |
| 0 to 0.2 |
| Titanium (Ti), % | 0 | |
| 87 to 91 |
| Vanadium (V), % | 0 | |
| 3.5 to 4.5 |
| Zinc (Zn), % | 0.8 to 1.2 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.4 |