C17510 Copper vs. C71520 Copper-nickel
Both C17510 copper and C71520 copper-nickel are copper alloys. They have 70% of their average alloy composition in common.
For each property being compared, the top bar is C17510 copper and the bottom bar is C71520 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 140 |
| Elongation at Break, % | 5.4 to 37 | |
| 10 to 45 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Rockwell B Hardness | 44 to 99 | |
| 35 to 86 |
| Shear Modulus, GPa | 44 | |
| 51 |
| Shear Strength, MPa | 210 to 500 | |
| 250 to 340 |
| Tensile Strength: Ultimate (UTS), MPa | 310 to 860 | |
| 370 to 570 |
| Tensile Strength: Yield (Proof), MPa | 120 to 750 | |
| 140 to 430 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 230 |
| Maximum Temperature: Mechanical, °C | 220 | |
| 260 |
| Melting Completion (Liquidus), °C | 1070 | |
| 1170 |
| Melting Onset (Solidus), °C | 1030 | |
| 1120 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 400 |
| Thermal Conductivity, W/m-K | 210 | |
| 32 |
| Thermal Expansion, µm/m-K | 17 | |
| 15 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 22 to 54 | |
| 5.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 23 to 54 | |
| 5.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 49 | |
| 40 |
| Density, g/cm3 | 8.9 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 4.2 | |
| 5.0 |
| Embodied Energy, MJ/kg | 65 | |
| 73 |
| Embodied Water, L/kg | 310 | |
| 280 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 39 to 92 | |
| 54 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 64 to 2410 | |
| 67 to 680 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 8.6 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 9.7 to 27 | |
| 12 to 18 |
| Strength to Weight: Bending, points | 11 to 23 | |
| 13 to 17 |
| Thermal Diffusivity, mm2/s | 60 | |
| 8.9 |
| Thermal Shock Resistance, points | 11 to 30 | |
| 12 to 19 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.2 | |
| 0 |
| Beryllium (Be), % | 0.2 to 0.6 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Cobalt (Co), % | 0 to 0.3 | |
| 0 |
| Copper (Cu), % | 95.9 to 98.4 | |
| 65 to 71.6 |
| Iron (Fe), % | 0 to 0.1 | |
| 0.4 to 1.0 |
| Lead (Pb), % | 0 | |
| 0 to 0.020 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Nickel (Ni), % | 1.4 to 2.2 | |
| 28 to 33 |
| Phosphorus (P), % | 0 | |
| 0 to 0.2 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.020 |
| Zinc (Zn), % | 0 | |
| 0 to 0.5 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |