Nickel 718 vs. C96700 Copper
Nickel 718 belongs to the nickel alloys classification, while C96700 copper belongs to the copper alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is nickel 718 and the bottom bar is C96700 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 140 |
| Elongation at Break, % | 12 to 50 | |
| 10 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Rockwell C Hardness | 40 | |
| 26 |
| Shear Modulus, GPa | 75 | |
| 53 |
| Tensile Strength: Ultimate (UTS), MPa | 930 to 1530 | |
| 1210 |
| Tensile Strength: Yield (Proof), MPa | 510 to 1330 | |
| 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 980 | |
| 310 |
| Melting Completion (Liquidus), °C | 1340 | |
| 1170 |
| Melting Onset (Solidus), °C | 1260 | |
| 1110 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 400 |
| Thermal Conductivity, W/m-K | 11 | |
| 30 |
| Thermal Expansion, µm/m-K | 13 | |
| 15 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 90 |
| Density, g/cm3 | 8.3 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 13 | |
| 9.5 |
| Embodied Energy, MJ/kg | 190 | |
| 140 |
| Embodied Water, L/kg | 250 | |
| 280 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 390 | |
| 99 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 660 to 4560 | |
| 1080 |
| Stiffness to Weight: Axial, points | 13 | |
| 8.9 |
| Stiffness to Weight: Bending, points | 23 | |
| 20 |
| Strength to Weight: Axial, points | 31 to 51 | |
| 38 |
| Strength to Weight: Bending, points | 25 to 35 | |
| 29 |
| Thermal Diffusivity, mm2/s | 3.0 | |
| 8.5 |
| Thermal Shock Resistance, points | 27 to 44 | |
| 40 |
Alloy Composition
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| Aluminum (Al), % | 0.2 to 0.8 | |
| 0 |
| Beryllium (Be), % | 0 | |
| 1.1 to 1.2 |
| Boron (B), % | 0 to 0.0060 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0 |
| Chromium (Cr), % | 17 to 21 | |
| 0 |
| Cobalt (Co), % | 0 to 1.0 | |
| 0 |
| Copper (Cu), % | 0 to 0.3 | |
| 62.4 to 68.8 |
| Iron (Fe), % | 11.1 to 24.6 | |
| 0.4 to 1.0 |
| Lead (Pb), % | 0 | |
| 0 to 0.010 |
| Manganese (Mn), % | 0 to 0.35 | |
| 0.4 to 1.0 |
| Molybdenum (Mo), % | 2.8 to 3.3 | |
| 0 |
| Nickel (Ni), % | 50 to 55 | |
| 29 to 33 |
| Niobium (Nb), % | 4.8 to 5.5 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 |
| Silicon (Si), % | 0 to 0.35 | |
| 0 to 0.15 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Titanium (Ti), % | 0.65 to 1.2 | |
| 0.15 to 0.35 |
| Zirconium (Zr), % | 0 | |
| 0.15 to 0.35 |
| Residuals, % | 0 | |
| 0 to 0.5 |