Nickel 690 vs. C72900 Copper-nickel
Nickel 690 belongs to the nickel alloys classification, while C72900 copper-nickel belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is nickel 690 and the bottom bar is C72900 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 120 |
| Elongation at Break, % | 3.4 to 34 | |
| 6.0 to 20 |
| Poisson's Ratio | 0.28 | |
| 0.34 |
| Shear Modulus, GPa | 79 | |
| 45 |
| Shear Strength, MPa | 420 to 570 | |
| 540 to 630 |
| Tensile Strength: Ultimate (UTS), MPa | 640 to 990 | |
| 870 to 1080 |
| Tensile Strength: Yield (Proof), MPa | 250 to 760 | |
| 700 to 920 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 1010 | |
| 210 |
| Melting Completion (Liquidus), °C | 1380 | |
| 1120 |
| Melting Onset (Solidus), °C | 1340 | |
| 950 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 380 |
| Thermal Conductivity, W/m-K | 14 | |
| 29 |
| Thermal Expansion, µm/m-K | 14 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.5 | |
| 7.8 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.6 | |
| 8.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 50 | |
| 39 |
| Density, g/cm3 | 8.3 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 4.6 |
| Embodied Energy, MJ/kg | 120 | |
| 72 |
| Embodied Water, L/kg | 290 | |
| 360 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 31 to 170 | |
| 49 to 210 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 to 1440 | |
| 2030 to 3490 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.6 |
| Stiffness to Weight: Bending, points | 24 | |
| 19 |
| Strength to Weight: Axial, points | 21 to 33 | |
| 27 to 34 |
| Strength to Weight: Bending, points | 20 to 27 | |
| 23 to 27 |
| Thermal Diffusivity, mm2/s | 3.5 | |
| 8.6 |
| Thermal Shock Resistance, points | 16 to 25 | |
| 31 to 38 |
Alloy Composition
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| Carbon (C), % | 0 to 0.050 | |
| 0 |
| Chromium (Cr), % | 27 to 31 | |
| 0 |
| Copper (Cu), % | 0 to 0.5 | |
| 74.1 to 78 |
| Iron (Fe), % | 7.0 to 11 | |
| 0 to 0.5 |
| Lead (Pb), % | 0 | |
| 0 to 0.020 |
| Magnesium (Mg), % | 0 | |
| 0 to 0.15 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 to 0.3 |
| Nickel (Ni), % | 58 to 66 | |
| 14.5 to 15.5 |
| Niobium (Nb), % | 0 | |
| 0 to 0.1 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Tin (Sn), % | 0 | |
| 7.5 to 8.5 |
| Zinc (Zn), % | 0 | |
| 0 to 0.5 |
| Residuals, % | 0 | |
| 0 to 0.3 |