C71640 Copper-nickel vs. C77100 Nickel Silver
Both C71640 copper-nickel and C77100 nickel silver are copper alloys. They have 66% of their average alloy composition in common.
For each property being compared, the top bar is C71640 copper-nickel and the bottom bar is C77100 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 140 | |
110 |
Poisson's Ratio | 0.33 | |
0.31 |
Shear Modulus, GPa | 52 | |
45 |
Tensile Strength: Ultimate (UTS), MPa | 490 to 630 | |
600 |
Tensile Strength: Yield (Proof), MPa | 190 to 460 | |
540 |
Thermal Properties
Latent Heat of Fusion, J/g | 240 | |
180 |
Maximum Temperature: Mechanical, °C | 260 | |
150 |
Melting Completion (Liquidus), °C | 1180 | |
990 |
Melting Onset (Solidus), °C | 1120 | |
950 |
Specific Heat Capacity, J/kg-K | 410 | |
390 |
Thermal Conductivity, W/m-K | 29 | |
40 |
Thermal Expansion, µm/m-K | 15 | |
20 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
7.6 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 7.1 | |
8.5 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 40 | |
27 |
Density, g/cm3 | 8.9 | |
8.1 |
Embodied Carbon, kg CO2/kg material | 5.0 | |
3.5 |
Embodied Energy, MJ/kg | 73 | |
56 |
Embodied Water, L/kg | 280 | |
310 |
Common Calculations
Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 750 | |
1280 |
Stiffness to Weight: Axial, points | 8.7 | |
7.8 |
Stiffness to Weight: Bending, points | 20 | |
20 |
Strength to Weight: Axial, points | 15 to 20 | |
21 |
Strength to Weight: Bending, points | 16 to 18 | |
20 |
Thermal Diffusivity, mm2/s | 8.2 | |
13 |
Thermal Shock Resistance, points | 16 to 21 | |
19 |
Alloy Composition
Copper (Cu), % | 61.7 to 67.8 | |
52 to 56 |
Iron (Fe), % | 1.7 to 2.3 | |
0 |
Lead (Pb), % | 0 to 0.050 | |
0 to 0.030 |
Manganese (Mn), % | 1.5 to 2.5 | |
0 to 0.9 |
Nickel (Ni), % | 29 to 32 | |
9.0 to 12 |
Zinc (Zn), % | 0 to 1.0 | |
30.6 to 39 |
Residuals, % | 0 | |
0 to 0.5 |