ASTM B540 Palladium vs. R05200 Tantalum
Both ASTM B540 palladium and R05200 tantalum are otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is ASTM B540 palladium and the bottom bar is R05200 tantalum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 1.1 to 14 | |
| 1.1 to 28 |
| Poisson's Ratio | 0.38 | |
| 0.34 |
| Shear Modulus, GPa | 39 | |
| 69 |
| Tensile Strength: Ultimate (UTS), MPa | 830 to 1240 | |
| 210 to 540 |
| Tensile Strength: Yield (Proof), MPa | 620 to 1000 | |
| 140 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 140 |
| Specific Heat Capacity, J/kg-K | 240 | |
| 140 |
| Thermal Expansion, µm/m-K | 14 | |
| 6.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 17 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 100 | |
| 5.5 to 53 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1790 to 4660 | |
| 50 to 420 |
| Stiffness to Weight: Axial, points | 4.7 | |
| 6.2 |
| Stiffness to Weight: Bending, points | 12 | |
| 11 |
| Strength to Weight: Axial, points | 18 to 27 | |
| 3.6 to 9.0 |
| Strength to Weight: Bending, points | 15 to 20 | |
| 4.8 to 8.8 |
| Thermal Shock Resistance, points | 41 to 61 | |
| 13 to 32 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0 to 0.010 |
| Copper (Cu), % | 13.5 to 14.5 | |
| 0 |
| Gold (Au), % | 9.5 to 10.5 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0015 |
| Iron (Fe), % | 0 | |
| 0 to 0.010 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.020 |
| Nickel (Ni), % | 0 | |
| 0 to 0.010 |
| Niobium (Nb), % | 0 | |
| 0 to 0.1 |
| Nitrogen (N), % | 0 | |
| 0 to 0.010 |
| Oxygen (O), % | 0 | |
| 0 to 0.015 |
| Palladium (Pd), % | 34 to 36 | |
| 0 |
| Platinum (Pt), % | 9.5 to 10.5 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.0050 |
| Silver (Ag), % | 29 to 31 | |
| 0 |
| Tantalum (Ta), % | 0 | |
| 99.8 to 100 |
| Titanium (Ti), % | 0 | |
| 0 to 0.010 |
| Tungsten (W), % | 0 | |
| 0 to 0.050 |
| Zinc (Zn), % | 0.8 to 1.2 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |