C77000 Nickel Silver vs. C74500 Nickel Silver
Both C77000 nickel silver and C74500 nickel silver are copper alloys. They have a moderately high 90% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is C77000 nickel silver and the bottom bar is C74500 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 120 |
| Poisson's Ratio | 0.31 | |
| 0.32 |
| Rockwell B Hardness | 52 to 99 | |
| 66 to 94 |
| Rockwell Superficial 30T Hardness | 49 to 90 | |
| 60 to 79 |
| Shear Modulus, GPa | 46 | |
| 44 |
| Tensile Strength: Ultimate (UTS), MPa | 420 to 800 | |
| 390 to 700 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 170 |
| Melting Completion (Liquidus), °C | 1050 | |
| 1020 |
| Melting Onset (Solidus), °C | 1000 | |
| 970 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 390 |
| Thermal Conductivity, W/m-K | 29 | |
| 45 |
| Thermal Expansion, µm/m-K | 17 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 5.5 | |
| 9.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.0 | |
| 9.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 29 |
| Density, g/cm3 | 8.3 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 4.1 | |
| 3.4 |
| Embodied Energy, MJ/kg | 63 | |
| 54 |
| Embodied Water, L/kg | 300 | |
| 310 |
Common Calculations
| Stiffness to Weight: Axial, points | 8.1 | |
| 7.7 |
| Stiffness to Weight: Bending, points | 20 | |
| 19 |
| Strength to Weight: Axial, points | 14 to 27 | |
| 13 to 23 |
| Strength to Weight: Bending, points | 15 to 23 | |
| 14 to 21 |
| Thermal Diffusivity, mm2/s | 8.8 | |
| 14 |
| Thermal Shock Resistance, points | 15 to 28 | |
| 13 to 23 |
Alloy Composition
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| Copper (Cu), % | 53.5 to 56.5 | |
| 63.5 to 66.5 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.1 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 to 0.5 |
| Nickel (Ni), % | 16.5 to 19.5 | |
| 9.0 to 11 |
| Zinc (Zn), % | 22.7 to 30 | |
| 21.2 to 27.5 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |