Class 1 Tungsten vs. C71640 Copper-nickel
Class 1 tungsten belongs to the otherwise unclassified metals classification, while C71640 copper-nickel belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is class 1 tungsten and the bottom bar is C71640 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 250 | |
| 140 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 98 | |
| 52 |
| Tensile Strength: Ultimate (UTS), MPa | 860 | |
| 490 to 630 |
| Tensile Strength: Yield (Proof), MPa | 580 | |
| 190 to 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 160 | |
| 240 |
| Specific Heat Capacity, J/kg-K | 120 | |
| 410 |
| Thermal Conductivity, W/m-K | 21 | |
| 29 |
| Thermal Expansion, µm/m-K | 5.1 | |
| 15 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 12 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.4 | |
| 7.1 |
Otherwise Unclassified Properties
| Density, g/cm3 | 15 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 22 | |
| 5.0 |
| Embodied Energy, MJ/kg | 340 | |
| 73 |
| Embodied Water, L/kg | 140 | |
| 280 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 660 | |
| 130 to 750 |
| Stiffness to Weight: Axial, points | 9.6 | |
| 8.7 |
| Stiffness to Weight: Bending, points | 14 | |
| 20 |
| Strength to Weight: Axial, points | 16 | |
| 15 to 20 |
| Strength to Weight: Bending, points | 14 | |
| 16 to 18 |
| Thermal Diffusivity, mm2/s | 12 | |
| 8.2 |
| Thermal Shock Resistance, points | 48 | |
| 16 to 21 |
Alloy Composition
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| Copper (Cu), % | 0 | |
| 61.7 to 67.8 |
| Iron (Fe), % | 0 | |
| 1.7 to 2.3 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 | |
| 1.5 to 2.5 |
| Nickel (Ni), % | 0 | |
| 29 to 32 |
| Tungsten (W), % | 90 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 1.0 |
| Residuals, % | 10 | |
| 0 to 0.5 |