R05400 Tantalum vs. C19010 Copper
R05400 tantalum belongs to the otherwise unclassified metals classification, while C19010 copper belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is R05400 tantalum and the bottom bar is C19010 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 120 |
| Elongation at Break, % | 1.1 to 28 | |
| 2.4 to 22 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 69 | |
| 43 |
| Tensile Strength: Ultimate (UTS), MPa | 210 to 540 | |
| 330 to 640 |
| Tensile Strength: Yield (Proof), MPa | 140 to 390 | |
| 260 to 620 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 210 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 390 |
| Thermal Conductivity, W/m-K | 59 | |
| 260 |
| Thermal Expansion, µm/m-K | 6.5 | |
| 17 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 8.9 |
| Embodied Water, L/kg | 650 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 5.5 to 53 | |
| 7.3 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 50 to 420 | |
| 290 to 1680 |
| Stiffness to Weight: Axial, points | 6.2 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 11 | |
| 18 |
| Strength to Weight: Axial, points | 3.6 to 9.0 | |
| 10 to 20 |
| Strength to Weight: Bending, points | 4.8 to 8.8 | |
| 12 to 18 |
| Thermal Diffusivity, mm2/s | 25 | |
| 75 |
| Thermal Shock Resistance, points | 13 to 32 | |
| 12 to 23 |
Alloy Composition
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| Carbon (C), % | 0 to 0.010 | |
| 0 |
| Copper (Cu), % | 0 | |
| 97.3 to 99.04 |
| 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 | |
| 0.8 to 1.8 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 |
| Oxygen (O), % | 0 to 0.030 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0.010 to 0.050 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0.15 to 0.35 |
| 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 |