Nickel 684 vs. C55281 Copper
Nickel 684 belongs to the nickel alloys classification, while C55281 copper belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is nickel 684 and the bottom bar is C55281 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 110 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 76 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 1190 | |
| 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 1000 | |
| 200 |
| Melting Completion (Liquidus), °C | 1370 | |
| 810 |
| Melting Onset (Solidus), °C | 1320 | |
| 640 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 400 |
| Thermal Expansion, µm/m-K | 13 | |
| 16 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.3 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 7.0 |
| Embodied Energy, MJ/kg | 140 | |
| 110 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 6.9 |
| Stiffness to Weight: Bending, points | 23 | |
| 18 |
| Strength to Weight: Axial, points | 40 | |
| 6.1 |
| Strength to Weight: Bending, points | 30 | |
| 8.5 |
| Thermal Shock Resistance, points | 34 | |
| 7.7 |
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 | |
| 88.5 to 89.4 |
| 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 | |
| 5.8 to 6.2 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 |
| Silver (Ag), % | 0 | |
| 4.8 to 5.2 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Titanium (Ti), % | 2.5 to 3.3 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.15 |