C70250 Copper vs. Class 3 Tungsten
C70250 copper belongs to the copper alloys classification, while class 3 tungsten 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 C70250 copper and the bottom bar is class 3 tungsten.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 270 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 44 | |
| 100 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 740 | |
| 830 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 170 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 120 |
| Thermal Conductivity, W/m-K | 170 | |
| 30 |
| Thermal Expansion, µm/m-K | 17 | |
| 4.5 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 36 to 50 | |
| 15 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 37 to 51 | |
| 8.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.9 | |
| 15 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 23 |
| Embodied Energy, MJ/kg | 45 | |
| 360 |
| Embodied Water, L/kg | 310 | |
| 150 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.4 | |
| 9.6 |
| Stiffness to Weight: Bending, points | 18 | |
| 14 |
| Strength to Weight: Axial, points | 16 to 23 | |
| 15 |
| Strength to Weight: Bending, points | 16 to 21 | |
| 13 |
| Thermal Diffusivity, mm2/s | 49 | |
| 15 |
| Thermal Shock Resistance, points | 18 to 26 | |
| 49 |
Alloy Composition
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| Copper (Cu), % | 92.7 to 97.5 | |
| 0 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Magnesium (Mg), % | 0.050 to 0.3 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Nickel (Ni), % | 2.2 to 4.2 | |
| 0 |
| Silicon (Si), % | 0.25 to 1.2 | |
| 0 |
| Tungsten (W), % | 0 | |
| 95 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 5.0 |