H01 C71520 Copper-nickel vs. H01 C74500 Nickel Silver
Both H01 C71520 copper-nickel and H01 C74500 nickel silver are copper alloys. Both are furnished in the H01 (quarter hard) temper. They have 76% of their average alloy composition in common.
For each property being compared, the top bar is H01 C71520 copper-nickel and the bottom bar is H01 C74500 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 120 |
| Elongation at Break, % | 17 | |
| 24 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Rockwell B Hardness | 74 | |
| 66 |
| Rockwell Superficial 30T Hardness | 66 | |
| 60 |
| Shear Modulus, GPa | 51 | |
| 44 |
| Shear Strength, MPa | 280 | |
| 330 |
| Tensile Strength: Ultimate (UTS), MPa | 460 | |
| 520 |
| Tensile Strength: Yield (Proof), MPa | 340 | |
| 380 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 260 | |
| 170 |
| Melting Completion (Liquidus), °C | 1170 | |
| 1020 |
| Melting Onset (Solidus), °C | 1120 | |
| 970 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 390 |
| Thermal Conductivity, W/m-K | 32 | |
| 45 |
| Thermal Expansion, µm/m-K | 15 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 5.7 | |
| 9.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 5.8 | |
| 9.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 40 | |
| 29 |
| Density, g/cm3 | 8.9 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 5.0 | |
| 3.4 |
| Embodied Energy, MJ/kg | 73 | |
| 54 |
| Embodied Water, L/kg | 280 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 420 | |
| 620 |
| Stiffness to Weight: Axial, points | 8.6 | |
| 7.7 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 14 | |
| 17 |
| Strength to Weight: Bending, points | 15 | |
| 17 |
| Thermal Diffusivity, mm2/s | 8.9 | |
| 14 |
| Thermal Shock Resistance, points | 16 | |
| 17 |
Alloy Composition
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| Carbon (C), % | 0 to 0.050 | |
| 0 |
| Copper (Cu), % | 65 to 71.6 | |
| 63.5 to 66.5 |
| Iron (Fe), % | 0.4 to 1.0 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 to 0.1 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 28 to 33 | |
| 9.0 to 11 |
| Phosphorus (P), % | 0 to 0.2 | |
| 0 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 21.2 to 27.5 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |