H01 C72200 Copper-nickel vs. H01 C76200 Nickel Silver
Both H01 C72200 copper-nickel and H01 C76200 nickel silver are copper alloys. Both are furnished in the H01 (quarter hard) temper. They have 72% of their average alloy composition in common.
For each property being compared, the top bar is H01 C72200 copper-nickel and the bottom bar is H01 C76200 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 130 | |
| 120 | 
| Poisson's Ratio | 0.33 | |
| 0.31 | 
| Rockwell B Hardness | 71 | |
| 73 | 
| Rockwell Superficial 30T Hardness | 64 | |
| 66 | 
| Shear Modulus, GPa | 48 | |
| 44 | 
| Tensile Strength: Ultimate (UTS), MPa | 420 | |
| 510 | 
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 190 | 
| Maximum Temperature: Mechanical, °C | 230 | |
| 170 | 
| Melting Completion (Liquidus), °C | 1180 | |
| 1030 | 
| Melting Onset (Solidus), °C | 1120 | |
| 980 | 
| Specific Heat Capacity, J/kg-K | 400 | |
| 390 | 
| Thermal Conductivity, W/m-K | 34 | |
| 45 | 
| Thermal Expansion, µm/m-K | 16 | |
| 19 | 
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 6.5 | |
| 9.0 | 
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.6 | |
| 9.8 | 
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 29 | 
| Density, g/cm3 | 8.9 | |
| 8.2 | 
| Embodied Carbon, kg CO2/kg material | 3.9 | |
| 3.6 | 
| Embodied Energy, MJ/kg | 59 | |
| 57 | 
| Embodied Water, L/kg | 300 | |
| 310 | 
Common Calculations
| Stiffness to Weight: Axial, points | 8.0 | |
| 7.8 | 
| Stiffness to Weight: Bending, points | 19 | |
| 20 | 
| Strength to Weight: Axial, points | 13 | |
| 17 | 
| Strength to Weight: Bending, points | 14 | |
| 17 | 
| Thermal Diffusivity, mm2/s | 9.6 | |
| 14 | 
| Thermal Shock Resistance, points | 14 | |
| 16 | 
Alloy Composition
| Chromium (Cr), % | 0.3 to 0.7 | |
| 0 | 
| Copper (Cu), % | 78.1 to 84.2 | |
| 57 to 61 | 
| Iron (Fe), % | 0.5 to 1.0 | |
| 0 to 0.25 | 
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.1 | 
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 0.5 | 
| Nickel (Ni), % | 15 to 18 | |
| 11 to 13.5 | 
| Zinc (Zn), % | 0 to 1.0 | |
| 24.2 to 32 | 
| Residuals, % | 0 | |
| 0 to 0.5 |