AWS BNi-7 vs. Class 4 Tungsten
AWS BNi-7 belongs to the nickel alloys classification, while class 4 tungsten belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is AWS BNi-7 and the bottom bar is class 4 tungsten.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 170 | |
| 270 |
| Poisson's Ratio | 0.3 | |
| 0.28 |
| Shear Modulus, GPa | 67 | |
| 110 |
| Tensile Strength: Ultimate (UTS), MPa | 550 | |
| 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 170 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 130 |
| Thermal Expansion, µm/m-K | 11 | |
| 4.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.0 | |
| 16 |
| Embodied Carbon, kg CO2/kg material | 8.8 | |
| 24 |
| Embodied Energy, MJ/kg | 120 | |
| 360 |
| Embodied Water, L/kg | 240 | |
| 150 |
Common Calculations
| Stiffness to Weight: Axial, points | 12 | |
| 9.6 |
| Stiffness to Weight: Bending, points | 23 | |
| 14 |
| Strength to Weight: Axial, points | 19 | |
| 14 |
| Strength to Weight: Bending, points | 19 | |
| 12 |
| Thermal Shock Resistance, points | 21 | |
| 46 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.050 | |
| 0 |
| Boron (B), % | 0 to 0.010 | |
| 0 |
| Carbon (C), % | 0 to 0.060 | |
| 0 |
| Chromium (Cr), % | 13 to 15 | |
| 0 |
| Cobalt (Co), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 |
| Manganese (Mn), % | 0 to 0.040 | |
| 0 |
| Nickel (Ni), % | 73.3 to 77.3 | |
| 0 |
| Phosphorus (P), % | 9.7 to 10.5 | |
| 0 |
| Selenium (Se), % | 0 to 0.0050 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 |
| Titanium (Ti), % | 0 to 0.050 | |
| 0 |
| Tungsten (W), % | 0 | |
| 97 |
| Zirconium (Zr), % | 0 to 0.050 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 3.0 |