C70700 Copper-nickel vs. Class 4 Tungsten
C70700 copper-nickel belongs to the copper alloys classification, while class 4 tungsten belongs to the otherwise unclassified metals. There are 24 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 C70700 copper-nickel and the bottom bar is class 4 tungsten.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 270 |
| Elongation at Break, % | 39 | |
| 2.3 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 46 | |
| 110 |
| Tensile Strength: Ultimate (UTS), MPa | 320 | |
| 790 |
| Tensile Strength: Yield (Proof), MPa | 110 | |
| 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 170 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 130 |
| Thermal Conductivity, W/m-K | 59 | |
| 30 |
| Thermal Expansion, µm/m-K | 16 | |
| 4.5 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 17 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 12 | |
| 9.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.9 | |
| 16 |
| Embodied Carbon, kg CO2/kg material | 3.4 | |
| 24 |
| Embodied Energy, MJ/kg | 52 | |
| 360 |
| Embodied Water, L/kg | 300 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 | |
| 16 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 51 | |
| 620 |
| Stiffness to Weight: Axial, points | 7.6 | |
| 9.6 |
| Stiffness to Weight: Bending, points | 19 | |
| 14 |
| Strength to Weight: Axial, points | 10 | |
| 14 |
| Strength to Weight: Bending, points | 12 | |
| 12 |
| Thermal Diffusivity, mm2/s | 17 | |
| 15 |
| Thermal Shock Resistance, points | 12 | |
| 46 |
Alloy Composition
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| Copper (Cu), % | 88.5 to 90.5 | |
| 0 |
| Iron (Fe), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 |
| Nickel (Ni), % | 9.5 to 10.5 | |
| 0 |
| Tungsten (W), % | 0 | |
| 97 |
| Residuals, % | 0 to 0.5 | |
| 3.0 |