C77000 Nickel Silver vs. C27400 Brass
Both C77000 nickel silver and C27400 brass are copper alloys. They have 82% of their average alloy composition in common.
For each property being compared, the top bar is C77000 nickel silver and the bottom bar is C27400 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Poisson's Ratio | 0.31 | |
| 0.31 |
| Rockwell B Hardness | 52 to 99 | |
| 53 to 91 |
| Rockwell Superficial 30T Hardness | 49 to 90 | |
| 52 to 78 |
| Shear Modulus, GPa | 46 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 420 to 800 | |
| 370 to 650 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 120 |
| Melting Completion (Liquidus), °C | 1050 | |
| 920 |
| Melting Onset (Solidus), °C | 1000 | |
| 870 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 390 |
| Thermal Conductivity, W/m-K | 29 | |
| 120 |
| Thermal Expansion, µm/m-K | 17 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 5.5 | |
| 28 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.0 | |
| 31 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 23 |
| Density, g/cm3 | 8.3 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 4.1 | |
| 2.7 |
| Embodied Energy, MJ/kg | 63 | |
| 45 |
| Embodied Water, L/kg | 300 | |
| 320 |
Common Calculations
| Stiffness to Weight: Axial, points | 8.1 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 20 | |
| 20 |
| 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 | |
| 37 |
| Thermal Shock Resistance, points | 15 to 28 | |
| 12 to 22 |
Alloy Composition
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| Copper (Cu), % | 53.5 to 56.5 | |
| 61 to 64 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 |
| Nickel (Ni), % | 16.5 to 19.5 | |
| 0 |
| Zinc (Zn), % | 22.7 to 30 | |
| 35.6 to 39 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.3 |