R05400 Tantalum vs. C73500 Nickel Silver
R05400 tantalum belongs to the otherwise unclassified metals classification, while C73500 nickel silver belongs to the copper alloys. There are 16 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is R05400 tantalum and the bottom bar is C73500 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 130 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Shear Modulus, GPa | 69 | |
| 47 |
| Tensile Strength: Ultimate (UTS), MPa | 210 to 540 | |
| 380 to 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 210 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 400 |
| Thermal Conductivity, W/m-K | 59 | |
| 36 |
| Thermal Expansion, µm/m-K | 6.5 | |
| 17 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 8.7 |
| Embodied Water, L/kg | 650 | |
| 300 |
Common Calculations
| Stiffness to Weight: Axial, points | 6.2 | |
| 8.0 |
| Stiffness to Weight: Bending, points | 11 | |
| 19 |
| Strength to Weight: Axial, points | 3.6 to 9.0 | |
| 12 to 19 |
| Strength to Weight: Bending, points | 4.8 to 8.8 | |
| 13 to 18 |
| Thermal Diffusivity, mm2/s | 25 | |
| 10 |
| Thermal Shock Resistance, points | 13 to 32 | |
| 13 to 19 |
Alloy Composition
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| Carbon (C), % | 0 to 0.010 | |
| 0 |
| Copper (Cu), % | 0 | |
| 70.5 to 73.5 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iron (Fe), % | 0 to 0.010 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 | |
| 0 to 0.1 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0 to 0.020 | |
| 0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 16.5 to 19.5 |
| 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 |
| Tantalum (Ta), % | 99.7 to 100 | |
| 0 |
| Titanium (Ti), % | 0 to 0.010 | |
| 0 |
| Tungsten (W), % | 0 to 0.050 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 5.7 to 13 |
| Residuals, % | 0 | |
| 0 to 0.5 |