R05200 Tantalum vs. 85-platinum 15-iridium
Both R05200 tantalum and 85-platinum 15-iridium are otherwise unclassified metals. There are 14 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is R05200 tantalum and the bottom bar is 85-platinum 15-iridium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 220 |
| Elongation at Break, % | 1.1 to 28 | |
| 5.5 to 34 |
| Poisson's Ratio | 0.34 | |
| 0.38 |
| Shear Modulus, GPa | 69 | |
| 81 |
| Tensile Strength: Ultimate (UTS), MPa | 210 to 540 | |
| 560 to 730 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 110 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 130 |
| Thermal Expansion, µm/m-K | 6.5 | |
| 8.4 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 22 |
Common Calculations
| Stiffness to Weight: Axial, points | 6.2 | |
| 5.7 |
| Stiffness to Weight: Bending, points | 11 | |
| 9.3 |
| Strength to Weight: Axial, points | 3.6 to 9.0 | |
| 7.1 to 9.3 |
| Strength to Weight: Bending, points | 4.8 to 8.8 | |
| 6.9 to 8.3 |
| Thermal Shock Resistance, points | 13 to 32 | |
| 21 to 28 |
Alloy Composition
Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 460
| Carbon (C), % | 0 to 0.010 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iridium (Ir), % | 0 | |
| 14.5 to 15.5 |
| Iron (Fe), % | 0 to 0.010 | |
| 0 |
| Molybdenum (Mo), % | 0 to 0.020 | |
| 0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 |
| Oxygen (O), % | 0 to 0.015 | |
| 0 |
| Platinum (Pt), % | 0 | |
| 84.3 to 85.5 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 |
| Tantalum (Ta), % | 99.8 to 100 | |
| 0 |
| Titanium (Ti), % | 0 to 0.010 | |
| 0 |
| Tungsten (W), % | 0 to 0.050 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.2 |