R05400 Tantalum vs. C17500 Copper
R05400 tantalum belongs to the otherwise unclassified metals classification, while C17500 copper belongs to the copper alloys. There are 20 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 R05400 tantalum and the bottom bar is C17500 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 120 |
| Elongation at Break, % | 1.1 to 28 | |
| 6.0 to 30 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 69 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 210 to 540 | |
| 310 to 860 |
| Tensile Strength: Yield (Proof), MPa | 140 to 390 | |
| 170 to 760 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 220 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 390 |
| Thermal Conductivity, W/m-K | 59 | |
| 200 |
| Thermal Expansion, µm/m-K | 6.5 | |
| 18 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 8.9 |
| Embodied Water, L/kg | 650 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 5.5 to 53 | |
| 30 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 50 to 420 | |
| 120 to 2390 |
| Stiffness to Weight: Axial, points | 6.2 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 11 | |
| 18 |
| Strength to Weight: Axial, points | 3.6 to 9.0 | |
| 9.7 to 27 |
| Strength to Weight: Bending, points | 4.8 to 8.8 | |
| 11 to 23 |
| Thermal Diffusivity, mm2/s | 25 | |
| 59 |
| Thermal Shock Resistance, points | 13 to 32 | |
| 11 to 29 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.2 |
| Beryllium (Be), % | 0 | |
| 0.4 to 0.7 |
| Carbon (C), % | 0 to 0.010 | |
| 0 |
| Cobalt (Co), % | 0 | |
| 2.4 to 2.7 |
| Copper (Cu), % | 0 | |
| 95.6 to 97.2 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iron (Fe), % | 0 to 0.010 | |
| 0 to 0.1 |
| 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 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 to 0.2 |
| 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 0.5 |