C96400 Copper-nickel vs. C97800 Nickel Silver
Both C96400 copper-nickel and C97800 nickel silver are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 92% of their average alloy composition in common.
For each property being compared, the top bar is C96400 copper-nickel and the bottom bar is C97800 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 130 | 
| Elongation at Break, % | 25 | |
| 10 | 
| Poisson's Ratio | 0.33 | |
| 0.33 | 
| Shear Modulus, GPa | 51 | |
| 48 | 
| Tensile Strength: Ultimate (UTS), MPa | 490 | |
| 370 | 
| Tensile Strength: Yield (Proof), MPa | 260 | |
| 170 | 
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 220 | 
| Maximum Temperature: Mechanical, °C | 260 | |
| 230 | 
| Melting Completion (Liquidus), °C | 1240 | |
| 1180 | 
| Melting Onset (Solidus), °C | 1170 | |
| 1140 | 
| Specific Heat Capacity, J/kg-K | 400 | |
| 390 | 
| Thermal Conductivity, W/m-K | 28 | |
| 25 | 
| Thermal Expansion, µm/m-K | 15 | |
| 16 | 
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 5.0 | |
| 4.0 | 
| Electrical Conductivity: Equal Weight (Specific), % IACS | 5.1 | |
| 4.1 | 
Otherwise Unclassified Properties
| Base Metal Price, % relative | 45 | |
| 40 | 
| Density, g/cm3 | 8.9 | |
| 8.8 | 
| Embodied Carbon, kg CO2/kg material | 5.9 | |
| 5.1 | 
| Embodied Energy, MJ/kg | 87 | |
| 76 | 
| Embodied Water, L/kg | 280 | |
| 330 | 
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 | |
| 31 | 
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 | |
| 120 | 
| Stiffness to Weight: Axial, points | 8.6 | |
| 8.1 | 
| Stiffness to Weight: Bending, points | 19 | |
| 19 | 
| Strength to Weight: Axial, points | 15 | |
| 12 | 
| Strength to Weight: Bending, points | 16 | |
| 13 | 
| Thermal Diffusivity, mm2/s | 7.8 | |
| 7.3 | 
| Thermal Shock Resistance, points | 17 | |
| 13 | 
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.0050 | 
| Antimony (Sb), % | 0 | |
| 0 to 0.2 | 
| Carbon (C), % | 0 to 0.15 | |
| 0 | 
| Copper (Cu), % | 62.3 to 71.3 | |
| 64 to 67 | 
| Iron (Fe), % | 0.25 to 1.5 | |
| 0 to 1.5 | 
| Lead (Pb), % | 0 to 0.010 | |
| 1.0 to 2.5 | 
| Manganese (Mn), % | 0 to 1.5 | |
| 0 | 
| Nickel (Ni), % | 28 to 32 | |
| 24 to 27 | 
| Niobium (Nb), % | 0.5 to 1.5 | |
| 0 | 
| Phosphorus (P), % | 0 to 0.020 | |
| 0 to 0.050 | 
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.15 | 
| Sulfur (S), % | 0 to 0.020 | |
| 0 to 0.080 | 
| Tin (Sn), % | 0 | |
| 4.0 to 5.5 | 
| Zinc (Zn), % | 0 | |
| 1.0 to 4.0 | 
| Residuals, % | 0 | |
| 0 to 0.4 |