Class 4 Tungsten vs. AWS BVAu-7
Both class 4 tungsten and AWS BVAu-7 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. There are 13 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.
For each property being compared, the top bar is class 4 tungsten and the bottom bar is AWS BVAu-7.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 270 | |
| 130 |
| Poisson's Ratio | 0.28 | |
| 0.38 |
| Shear Modulus, GPa | 110 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 790 | |
| 200 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 140 |
| Specific Heat Capacity, J/kg-K | 130 | |
| 240 |
| Thermal Expansion, µm/m-K | 4.5 | |
| 13 |
Otherwise Unclassified Properties
| Density, g/cm3 | 16 | |
| 15 |
Common Calculations
| Stiffness to Weight: Axial, points | 9.6 | |
| 4.7 |
| Stiffness to Weight: Bending, points | 14 | |
| 11 |
| Strength to Weight: Axial, points | 14 | |
| 3.7 |
| Strength to Weight: Bending, points | 12 | |
| 5.1 |
| Thermal Shock Resistance, points | 46 | |
| 8.9 |
Alloy Composition
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| Cadmium (Cd), % | 0 | |
| 0 to 0.0010 |
| Carbon (C), % | 0 | |
| 0 to 0.0050 |
| Cobalt (Co), % | 0 | |
| 0 to 0.060 |
| Gold (Au), % | 0 | |
| 49.5 to 50.5 |
| Lead (Pb), % | 0 | |
| 0 to 0.0020 |
| Nickel (Ni), % | 0 | |
| 24.5 to 25.5 |
| Palladium (Pd), % | 0 | |
| 23.9 to 26 |
| Phosphorus (P), % | 0 | |
| 0 to 0.0020 |
| Tungsten (W), % | 97 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.0010 |
| Residuals, % | 3.0 | |
| 0 |