R05400 Tantalum vs. C55283 Copper
R05400 tantalum belongs to the otherwise unclassified metals classification, while C55283 copper belongs to the copper alloys. There are 13 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is R05400 tantalum and the bottom bar is C55283 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 100 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 69 | |
| 39 |
| Tensile Strength: Ultimate (UTS), MPa | 210 to 540 | |
| 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 190 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 400 |
| Thermal Expansion, µm/m-K | 6.5 | |
| 16 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 8.6 |
Common Calculations
| Stiffness to Weight: Axial, points | 6.2 | |
| 6.8 |
| Stiffness to Weight: Bending, points | 11 | |
| 18 |
| Strength to Weight: Axial, points | 3.6 to 9.0 | |
| 6.1 |
| Strength to Weight: Bending, points | 4.8 to 8.8 | |
| 8.5 |
| Thermal Shock Resistance, points | 13 to 32 | |
| 8.0 |
Alloy Composition
| Carbon (C), % | 0 to 0.010 | |
| 0 |
| Copper (Cu), % | 0 | |
| 86.2 to 87.2 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| 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 0.030 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 7.0 to 7.5 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 |
| Silver (Ag), % | 0 | |
| 5.8 to 6.2 |
| Tantalum (Ta), % | 99.7 to 100 | |
| 0 |
| Titanium (Ti), % | 0 to 0.010 | |
| 0 |
| Tungsten (W), % | 0 to 0.050 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.15 |