C19700 Copper vs. R05400 Tantalum
C19700 copper belongs to the copper alloys classification, while R05400 tantalum belongs to the otherwise unclassified metals. 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 C19700 copper and the bottom bar is R05400 tantalum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 190 |
| Elongation at Break, % | 2.4 to 13 | |
| 1.1 to 28 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 43 | |
| 69 |
| Tensile Strength: Ultimate (UTS), MPa | 400 to 530 | |
| 210 to 540 |
| Tensile Strength: Yield (Proof), MPa | 330 to 520 | |
| 140 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 140 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 140 |
| Thermal Conductivity, W/m-K | 250 | |
| 59 |
| Thermal Expansion, µm/m-K | 17 | |
| 6.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.9 | |
| 17 |
| Embodied Water, L/kg | 310 | |
| 650 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 12 to 49 | |
| 5.5 to 53 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 1160 | |
| 50 to 420 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 6.2 |
| Stiffness to Weight: Bending, points | 18 | |
| 11 |
| Strength to Weight: Axial, points | 12 to 16 | |
| 3.6 to 9.0 |
| Strength to Weight: Bending, points | 14 to 16 | |
| 4.8 to 8.8 |
| Thermal Diffusivity, mm2/s | 73 | |
| 25 |
| Thermal Shock Resistance, points | 14 to 19 | |
| 13 to 32 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0 to 0.010 |
| Cobalt (Co), % | 0 to 0.050 | |
| 0 |
| Copper (Cu), % | 97.4 to 99.59 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0015 |
| Iron (Fe), % | 0.3 to 1.2 | |
| 0 to 0.010 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Magnesium (Mg), % | 0.010 to 0.2 | |
| 0 |
| Manganese (Mn), % | 0 to 0.050 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.020 |
| Nickel (Ni), % | 0 to 0.050 | |
| 0 to 0.010 |
| Niobium (Nb), % | 0 | |
| 0 to 0.1 |
| Nitrogen (N), % | 0 | |
| 0 to 0.010 |
| Oxygen (O), % | 0 | |
| 0 to 0.030 |
| Phosphorus (P), % | 0.1 to 0.4 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.0050 |
| Tantalum (Ta), % | 0 | |
| 99.7 to 100 |
| Tin (Sn), % | 0 to 0.2 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.010 |
| Tungsten (W), % | 0 | |
| 0 to 0.050 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 |
| Residuals, % | 0 to 0.2 | |
| 0 |