C71520 Copper-nickel vs. C77400 Nickel Silver
Both C71520 copper-nickel and C77400 nickel silver are copper alloys. They have 56% of their average alloy composition in common. There are 28 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 C71520 copper-nickel and the bottom bar is C77400 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 110 |
| Elongation at Break, % | 10 to 45 | |
| 25 |
| Poisson's Ratio | 0.33 | |
| 0.3 |
| Rockwell B Hardness | 35 to 86 | |
| 73 |
| Shear Modulus, GPa | 51 | |
| 42 |
| Shear Strength, MPa | 250 to 340 | |
| 360 |
| Tensile Strength: Ultimate (UTS), MPa | 370 to 570 | |
| 570 |
| Tensile Strength: Yield (Proof), MPa | 140 to 430 | |
| 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 260 | |
| 130 |
| Melting Completion (Liquidus), °C | 1170 | |
| 810 |
| Melting Onset (Solidus), °C | 1120 | |
| 770 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 390 |
| Thermal Expansion, µm/m-K | 15 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 5.7 | |
| 27 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 5.8 | |
| 31 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 40 | |
| 25 |
| Density, g/cm3 | 8.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 5.0 | |
| 3.5 |
| Embodied Energy, MJ/kg | 73 | |
| 57 |
| Embodied Water, L/kg | 280 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 54 to 130 | |
| 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 67 to 680 | |
| 290 |
| Stiffness to Weight: Axial, points | 8.6 | |
| 7.7 |
| Stiffness to Weight: Bending, points | 19 | |
| 20 |
| Strength to Weight: Axial, points | 12 to 18 | |
| 20 |
| Strength to Weight: Bending, points | 13 to 17 | |
| 19 |
| Thermal Shock Resistance, points | 12 to 19 | |
| 18 |
Alloy Composition
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| Carbon (C), % | 0 to 0.050 | |
| 0 |
| Copper (Cu), % | 65 to 71.6 | |
| 43 to 47 |
| Iron (Fe), % | 0.4 to 1.0 | |
| 0 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 to 0.2 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Nickel (Ni), % | 28 to 33 | |
| 9.0 to 11 |
| Phosphorus (P), % | 0 to 0.2 | |
| 0 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 41.3 to 48 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |