Class 4 Tungsten vs. C17000 Copper
Class 4 tungsten belongs to the otherwise unclassified metals classification, while C17000 copper belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is class 4 tungsten and the bottom bar is C17000 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 270 | |
| 120 |
| Elongation at Break, % | 2.3 | |
| 1.1 to 31 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Rockwell C Hardness | 31 | |
| 21 to 42 |
| Shear Modulus, GPa | 110 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 790 | |
| 490 to 1310 |
| Tensile Strength: Yield (Proof), MPa | 580 | |
| 160 to 1140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 230 |
| Specific Heat Capacity, J/kg-K | 130 | |
| 390 |
| Thermal Conductivity, W/m-K | 30 | |
| 110 |
| Thermal Expansion, µm/m-K | 4.5 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 17 | |
| 22 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.7 | |
| 22 |
Otherwise Unclassified Properties
| Density, g/cm3 | 16 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 24 | |
| 8.7 |
| Embodied Energy, MJ/kg | 360 | |
| 140 |
| Embodied Water, L/kg | 150 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 16 | |
| 4.2 to 390 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 620 | |
| 110 to 5420 |
| Stiffness to Weight: Axial, points | 9.6 | |
| 7.6 |
| Stiffness to Weight: Bending, points | 14 | |
| 19 |
| Strength to Weight: Axial, points | 14 | |
| 15 to 41 |
| Strength to Weight: Bending, points | 12 | |
| 16 to 30 |
| Thermal Diffusivity, mm2/s | 15 | |
| 32 |
| Thermal Shock Resistance, points | 46 | |
| 17 to 45 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.2 |
| Beryllium (Be), % | 0 | |
| 1.6 to 1.8 |
| Copper (Cu), % | 0 | |
| 96.3 to 98.2 |
| Iron (Fe), % | 0 | |
| 0 to 0.4 |
| Nickel (Ni), % | 0 | |
| 0.2 to 0.6 |
| Silicon (Si), % | 0 | |
| 0 to 0.2 |
| Tungsten (W), % | 97 | |
| 0 |
| Residuals, % | 3.0 | |
| 0 to 0.5 |