C72900 Copper-nickel vs. C11100 Copper
Both C72900 copper-nickel and C11100 copper are copper alloys. They have 76% of their average alloy composition in common.
For each property being compared, the top bar is C72900 copper-nickel and the bottom bar is C11100 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 120 |
| Elongation at Break, % | 6.0 to 20 | |
| 1.5 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 45 | |
| 44 |
| Shear Strength, MPa | 540 to 630 | |
| 230 |
| Tensile Strength: Ultimate (UTS), MPa | 870 to 1080 | |
| 460 |
| Tensile Strength: Yield (Proof), MPa | 700 to 920 | |
| 420 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 200 |
| Melting Completion (Liquidus), °C | 1120 | |
| 1080 |
| Melting Onset (Solidus), °C | 950 | |
| 1070 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 390 |
| Thermal Conductivity, W/m-K | 29 | |
| 390 |
| Thermal Expansion, µm/m-K | 17 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.8 | |
| 100 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 | |
| 100 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 39 | |
| 31 |
| Density, g/cm3 | 8.8 | |
| 9.0 |
| Embodied Carbon, kg CO2/kg material | 4.6 | |
| 2.6 |
| Embodied Energy, MJ/kg | 72 | |
| 41 |
| Embodied Water, L/kg | 360 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 49 to 210 | |
| 6.6 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2030 to 3490 | |
| 750 |
| Stiffness to Weight: Axial, points | 7.6 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 19 | |
| 18 |
| Strength to Weight: Axial, points | 27 to 34 | |
| 14 |
| Strength to Weight: Bending, points | 23 to 27 | |
| 15 |
| Thermal Diffusivity, mm2/s | 8.6 | |
| 110 |
| Thermal Shock Resistance, points | 31 to 38 | |
| 16 |
Alloy Composition
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| Copper (Cu), % | 74.1 to 78 | |
| 99.9 to 100 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 |
| Magnesium (Mg), % | 0 to 0.15 | |
| 0 |
| Manganese (Mn), % | 0 to 0.3 | |
| 0 |
| Nickel (Ni), % | 14.5 to 15.5 | |
| 0 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0 |
| Tin (Sn), % | 7.5 to 8.5 | |
| 0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.1 |