C17200 Copper vs. R05400 Tantalum
C17200 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 (9, in this case) are not shown.
For each property being compared, the top bar is C17200 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, % | 1.1 to 37 | |
| 1.1 to 28 |
| Poisson's Ratio | 0.33 | |
| 0.34 |
| Shear Modulus, GPa | 45 | |
| 69 |
| Tensile Strength: Ultimate (UTS), MPa | 480 to 1380 | |
| 210 to 540 |
| Tensile Strength: Yield (Proof), MPa | 160 to 1250 | |
| 140 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 140 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 140 |
| Thermal Conductivity, W/m-K | 110 | |
| 59 |
| Thermal Expansion, µm/m-K | 18 | |
| 6.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.8 | |
| 17 |
| Embodied Water, L/kg | 310 | |
| 650 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.2 to 500 | |
| 5.5 to 53 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 5720 | |
| 50 to 420 |
| Stiffness to Weight: Axial, points | 7.6 | |
| 6.2 |
| Stiffness to Weight: Bending, points | 19 | |
| 11 |
| Strength to Weight: Axial, points | 15 to 44 | |
| 3.6 to 9.0 |
| Strength to Weight: Bending, points | 16 to 31 | |
| 4.8 to 8.8 |
| Thermal Diffusivity, mm2/s | 31 | |
| 25 |
| Thermal Shock Resistance, points | 16 to 46 | |
| 13 to 32 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.2 | |
| 0 |
| Beryllium (Be), % | 1.8 to 2.0 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.010 |
| Copper (Cu), % | 96.1 to 98 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0015 |
| Iron (Fe), % | 0 to 0.4 | |
| 0 to 0.010 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.020 |
| Nickel (Ni), % | 0.2 to 0.6 | |
| 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 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 to 0.0050 |
| Tantalum (Ta), % | 0 | |
| 99.7 to 100 |
| Titanium (Ti), % | 0 | |
| 0 to 0.010 |
| Tungsten (W), % | 0 | |
| 0 to 0.050 |
| Residuals, % | 0 to 0.5 | |
| 0 |