Class 1 Tungsten vs. 7005 Aluminum
Class 1 tungsten belongs to the otherwise unclassified metals classification, while 7005 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is class 1 tungsten and the bottom bar is 7005 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 250 | |
| 70 |
| Elongation at Break, % | 5.7 | |
| 10 to 20 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 98 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 860 | |
| 200 to 400 |
| Tensile Strength: Yield (Proof), MPa | 580 | |
| 95 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 160 | |
| 380 |
| Specific Heat Capacity, J/kg-K | 120 | |
| 880 |
| Thermal Conductivity, W/m-K | 21 | |
| 140 to 170 |
| Thermal Expansion, µm/m-K | 5.1 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 12 | |
| 35 to 43 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.4 | |
| 110 to 130 |
Otherwise Unclassified Properties
| Density, g/cm3 | 15 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 22 | |
| 8.3 |
| Embodied Energy, MJ/kg | 340 | |
| 150 |
| Embodied Water, L/kg | 140 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 44 | |
| 32 to 57 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 660 | |
| 65 to 850 |
| Stiffness to Weight: Axial, points | 9.6 | |
| 13 |
| Stiffness to Weight: Bending, points | 14 | |
| 47 |
| Strength to Weight: Axial, points | 16 | |
| 19 to 38 |
| Strength to Weight: Bending, points | 14 | |
| 26 to 41 |
| Thermal Diffusivity, mm2/s | 12 | |
| 54 to 65 |
| Thermal Shock Resistance, points | 48 | |
| 8.7 to 18 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 91 to 94.7 |
| Chromium (Cr), % | 0 | |
| 0.060 to 0.2 |
| Copper (Cu), % | 0 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 | |
| 0 to 0.4 |
| Magnesium (Mg), % | 0 | |
| 1.0 to 1.8 |
| Manganese (Mn), % | 0 | |
| 0.2 to 0.7 |
| Silicon (Si), % | 0 | |
| 0 to 0.35 |
| Titanium (Ti), % | 0 | |
| 0.010 to 0.060 |
| Tungsten (W), % | 90 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 4.0 to 5.0 |
| Zirconium (Zr), % | 0 | |
| 0.080 to 0.2 |
| Residuals, % | 10 | |
| 0 to 0.15 |