Nickel 684 vs. Class 4 Tungsten
Nickel 684 belongs to the nickel alloys classification, while class 4 tungsten belongs to the otherwise unclassified metals. There are 20 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 nickel 684 and the bottom bar is class 4 tungsten.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 270 |
| Elongation at Break, % | 11 | |
| 2.3 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 76 | |
| 110 |
| Tensile Strength: Ultimate (UTS), MPa | 1190 | |
| 790 |
| Tensile Strength: Yield (Proof), MPa | 800 | |
| 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 170 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 130 |
| Thermal Expansion, µm/m-K | 13 | |
| 4.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.3 | |
| 16 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 24 |
| Embodied Energy, MJ/kg | 140 | |
| 360 |
| Embodied Water, L/kg | 360 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 | |
| 16 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1610 | |
| 620 |
| Stiffness to Weight: Axial, points | 13 | |
| 9.6 |
| Stiffness to Weight: Bending, points | 23 | |
| 14 |
| Strength to Weight: Axial, points | 40 | |
| 14 |
| Strength to Weight: Bending, points | 30 | |
| 12 |
| Thermal Shock Resistance, points | 34 | |
| 46 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.3 | |
| 0 |
| Boron (B), % | 0.0030 to 0.010 | |
| 0 |
| Carbon (C), % | 0 to 0.15 | |
| 0 |
| Chromium (Cr), % | 15 to 20 | |
| 0 |
| Cobalt (Co), % | 13 to 20 | |
| 0 |
| Copper (Cu), % | 0 to 0.15 | |
| 0 |
| Iron (Fe), % | 0 to 4.0 | |
| 0 |
| Manganese (Mn), % | 0 to 0.75 | |
| 0 |
| Molybdenum (Mo), % | 3.0 to 5.0 | |
| 0 |
| Nickel (Ni), % | 42.7 to 64 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Titanium (Ti), % | 2.5 to 3.3 | |
| 0 |
| Tungsten (W), % | 0 | |
| 97 |
| Residuals, % | 0 | |
| 3.0 |