C72900 Copper-nickel vs. C79600 Nickel Silver
Both C72900 copper-nickel and C79600 nickel silver are copper alloys. They have 56% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is C72900 copper-nickel and the bottom bar is C79600 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 6.0 to 20 | |
| 15 |
| Poisson's Ratio | 0.34 | |
| 0.3 |
| Shear Modulus, GPa | 45 | |
| 43 |
| Shear Strength, MPa | 540 to 630 | |
| 290 |
| Tensile Strength: Ultimate (UTS), MPa | 870 to 1080 | |
| 480 |
| Tensile Strength: Yield (Proof), MPa | 700 to 920 | |
| 300 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 130 |
| Melting Completion (Liquidus), °C | 1120 | |
| 930 |
| Melting Onset (Solidus), °C | 950 | |
| 880 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 390 |
| Thermal Conductivity, W/m-K | 29 | |
| 36 |
| Thermal Expansion, µm/m-K | 17 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.8 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 | |
| 8.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 39 | |
| 25 |
| Density, g/cm3 | 8.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 4.6 | |
| 3.5 |
| Embodied Energy, MJ/kg | 72 | |
| 57 |
| Embodied Water, L/kg | 360 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 49 to 210 | |
| 63 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2030 to 3490 | |
| 400 |
| Stiffness to Weight: Axial, points | 7.6 | |
| 7.8 |
| Stiffness to Weight: Bending, points | 19 | |
| 20 |
| Strength to Weight: Axial, points | 27 to 34 | |
| 17 |
| Strength to Weight: Bending, points | 23 to 27 | |
| 17 |
| Thermal Diffusivity, mm2/s | 8.6 | |
| 12 |
| Thermal Shock Resistance, points | 31 to 38 | |
| 15 |
Alloy Composition
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| Copper (Cu), % | 74.1 to 78 | |
| 43.5 to 46.5 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 |
| Lead (Pb), % | 0 to 0.020 | |
| 0.8 to 1.2 |
| Magnesium (Mg), % | 0 to 0.15 | |
| 0 |
| Manganese (Mn), % | 0 to 0.3 | |
| 1.5 to 2.5 |
| Nickel (Ni), % | 14.5 to 15.5 | |
| 9.0 to 11 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0 |
| Tin (Sn), % | 7.5 to 8.5 | |
| 0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 38.3 to 45.2 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.5 |