C71520 Copper-nickel vs. C17465 Copper
Both C71520 copper-nickel and C17465 copper are copper alloys. They have 70% of their average alloy composition in common.
For each property being compared, the top bar is C71520 copper-nickel and the bottom bar is C17465 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 120 |
| Elongation at Break, % | 10 to 45 | |
| 5.3 to 36 |
| Poisson's Ratio | 0.33 | |
| 0.34 |
| Rockwell B Hardness | 35 to 86 | |
| 44 to 110 |
| Shear Modulus, GPa | 51 | |
| 44 |
| Shear Strength, MPa | 250 to 340 | |
| 210 to 540 |
| Tensile Strength: Ultimate (UTS), MPa | 370 to 570 | |
| 310 to 930 |
| Tensile Strength: Yield (Proof), MPa | 140 to 430 | |
| 120 to 830 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 260 | |
| 210 |
| Melting Completion (Liquidus), °C | 1170 | |
| 1080 |
| Melting Onset (Solidus), °C | 1120 | |
| 1030 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 390 |
| Thermal Conductivity, W/m-K | 32 | |
| 220 |
| Thermal Expansion, µm/m-K | 15 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 5.7 | |
| 22 to 51 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 5.8 | |
| 23 to 52 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 40 | |
| 45 |
| Density, g/cm3 | 8.9 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 5.0 | |
| 4.1 |
| Embodied Energy, MJ/kg | 73 | |
| 64 |
| Embodied Water, L/kg | 280 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 54 to 130 | |
| 47 to 90 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 67 to 680 | |
| 64 to 2920 |
| Stiffness to Weight: Axial, points | 8.6 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 19 | |
| 18 |
| Strength to Weight: Axial, points | 12 to 18 | |
| 9.7 to 29 |
| Strength to Weight: Bending, points | 13 to 17 | |
| 11 to 24 |
| Thermal Diffusivity, mm2/s | 8.9 | |
| 64 |
| Thermal Shock Resistance, points | 12 to 19 | |
| 11 to 33 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.2 |
| Beryllium (Be), % | 0 | |
| 0.15 to 0.5 |
| Carbon (C), % | 0 to 0.050 | |
| 0 |
| Copper (Cu), % | 65 to 71.6 | |
| 95.7 to 98.7 |
| Iron (Fe), % | 0.4 to 1.0 | |
| 0 to 0.2 |
| Lead (Pb), % | 0 to 0.020 | |
| 0.2 to 0.6 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Nickel (Ni), % | 28 to 33 | |
| 1.0 to 1.4 |
| Phosphorus (P), % | 0 to 0.2 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.2 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.5 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |