R05400 Tantalum vs. C96900 Copper-nickel
R05400 tantalum belongs to the otherwise unclassified metals classification, while C96900 copper-nickel belongs to the copper alloys. There are 18 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 R05400 tantalum and the bottom bar is C96900 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 120 |
| Elongation at Break, % | 1.1 to 28 | |
| 4.5 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 69 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 210 to 540 | |
| 850 |
| Tensile Strength: Yield (Proof), MPa | 140 to 390 | |
| 830 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 210 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 380 |
| Thermal Expansion, µm/m-K | 6.5 | |
| 17 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 8.8 |
| Embodied Water, L/kg | 650 | |
| 360 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 5.5 to 53 | |
| 38 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 50 to 420 | |
| 2820 |
| Stiffness to Weight: Axial, points | 6.2 | |
| 7.7 |
| Stiffness to Weight: Bending, points | 11 | |
| 19 |
| Strength to Weight: Axial, points | 3.6 to 9.0 | |
| 27 |
| Strength to Weight: Bending, points | 4.8 to 8.8 | |
| 23 |
| Thermal Shock Resistance, points | 13 to 32 | |
| 30 |
Alloy Composition
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| Carbon (C), % | 0 to 0.010 | |
| 0 |
| Copper (Cu), % | 0 | |
| 73.6 to 78 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iron (Fe), % | 0 to 0.010 | |
| 0 to 0.5 |
| Lead (Pb), % | 0 | |
| 0 to 0.020 |
| Magnesium (Mg), % | 0 | |
| 0 to 0.15 |
| Manganese (Mn), % | 0 | |
| 0.050 to 0.3 |
| Molybdenum (Mo), % | 0 to 0.020 | |
| 0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 14.5 to 15.5 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0 to 0.1 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 |
| Oxygen (O), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 to 0.3 |
| Tantalum (Ta), % | 99.7 to 100 | |
| 0 |
| Tin (Sn), % | 0 | |
| 7.5 to 8.5 |
| Titanium (Ti), % | 0 to 0.010 | |
| 0 |
| Tungsten (W), % | 0 to 0.050 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.5 |
| Residuals, % | 0 | |
| 0 to 0.5 |