Class 4 Tungsten vs. Solder Alloy 142
Both class 4 tungsten and solder alloy 142 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. There are 21 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is class 4 tungsten and the bottom bar is solder alloy 142.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 270 | |
| 33 |
| Elongation at Break, % | 2.3 | |
| 37 |
| Poisson's Ratio | 0.28 | |
| 0.4 |
| Shear Modulus, GPa | 110 | |
| 12 |
| Tensile Strength: Ultimate (UTS), MPa | 790 | |
| 43 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 42 |
| Specific Heat Capacity, J/kg-K | 130 | |
| 170 |
| Thermal Conductivity, W/m-K | 30 | |
| 45 |
| Thermal Expansion, µm/m-K | 4.5 | |
| 25 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 17 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.7 | |
| 11 |
Otherwise Unclassified Properties
| Density, g/cm3 | 16 | |
| 9.3 |
| Embodied Carbon, kg CO2/kg material | 24 | |
| 9.4 |
| Embodied Energy, MJ/kg | 360 | |
| 160 |
| Embodied Water, L/kg | 150 | |
| 890 |
Common Calculations
| Stiffness to Weight: Axial, points | 9.6 | |
| 2.0 |
| Stiffness to Weight: Bending, points | 14 | |
| 11 |
| Strength to Weight: Axial, points | 14 | |
| 1.3 |
| Strength to Weight: Bending, points | 12 | |
| 2.9 |
| Thermal Diffusivity, mm2/s | 15 | |
| 28 |
| Thermal Shock Resistance, points | 46 | |
| 3.7 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.0010 |
| Antimony (Sb), % | 0 | |
| 0 to 0.2 |
| Arsenic (As), % | 0 | |
| 0 to 0.030 |
| Bismuth (Bi), % | 0 | |
| 2.5 to 3.5 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0020 |
| Copper (Cu), % | 0 | |
| 0 to 0.080 |
| Gold (Au), % | 0 | |
| 0 to 0.050 |
| Indium (In), % | 0 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 | |
| 0 to 0.020 |
| Lead (Pb), % | 0 | |
| 47.4 to 50 |
| Nickel (Ni), % | 0 | |
| 0 to 0.010 |
| Silver (Ag), % | 0 | |
| 0 to 0.1 |
| Tin (Sn), % | 0 | |
| 47.5 to 48.5 |
| Tungsten (W), % | 97 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.0010 |
| Residuals, % | 3.0 | |
| 0 |