Class 2 Tungsten vs. ZK61A Magnesium
Class 2 tungsten belongs to the otherwise unclassified metals classification, while ZK61A magnesium belongs to the magnesium 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 2 tungsten and the bottom bar is ZK61A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 260 | |
| 46 |
| Elongation at Break, % | 5.7 | |
| 5.8 to 7.1 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 100 | |
| 18 |
| Tensile Strength: Ultimate (UTS), MPa | 860 | |
| 290 to 310 |
| Tensile Strength: Yield (Proof), MPa | 580 | |
| 180 to 200 |
Thermal Properties
| Latent Heat of Fusion, J/g | 160 | |
| 330 |
| Specific Heat Capacity, J/kg-K | 120 | |
| 960 |
| Thermal Conductivity, W/m-K | 20 | |
| 120 |
| Thermal Expansion, µm/m-K | 4.6 | |
| 27 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 13 | |
| 29 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.8 | |
| 130 |
Otherwise Unclassified Properties
| Density, g/cm3 | 15 | |
| 1.9 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 23 |
| Embodied Energy, MJ/kg | 350 | |
| 160 |
| Embodied Water, L/kg | 140 | |
| 940 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 44 | |
| 15 to 19 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 640 | |
| 370 to 420 |
| Stiffness to Weight: Axial, points | 9.6 | |
| 13 |
| Stiffness to Weight: Bending, points | 14 | |
| 62 |
| Strength to Weight: Axial, points | 16 | |
| 42 to 45 |
| Strength to Weight: Bending, points | 13 | |
| 50 to 53 |
| Thermal Diffusivity, mm2/s | 11 | |
| 65 |
| Thermal Shock Resistance, points | 52 | |
| 17 to 18 |
Alloy Composition
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| Copper (Cu), % | 0 | |
| 0 to 0.1 |
| Magnesium (Mg), % | 0 | |
| 92.1 to 93.9 |
| Nickel (Ni), % | 0 | |
| 0 to 0.010 |
| Tungsten (W), % | 92.5 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 5.5 to 6.5 |
| Zirconium (Zr), % | 0 | |
| 0.6 to 1.0 |
| Residuals, % | 7.5 | |
| 0 to 0.3 |