C72800 Copper-nickel vs. C75700 Nickel Silver
Both C72800 copper-nickel and C75700 nickel silver are copper alloys. They have 76% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is C72800 copper-nickel and the bottom bar is C75700 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 120 |
| Elongation at Break, % | 3.9 to 23 | |
| 3.2 to 22 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Shear Modulus, GPa | 44 | |
| 45 |
| Shear Strength, MPa | 330 to 740 | |
| 350 to 370 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 1270 | |
| 590 to 610 |
| Tensile Strength: Yield (Proof), MPa | 250 to 1210 | |
| 470 to 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 180 |
| Melting Completion (Liquidus), °C | 1080 | |
| 1040 |
| Melting Onset (Solidus), °C | 920 | |
| 990 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 390 |
| Thermal Conductivity, W/m-K | 55 | |
| 40 |
| Thermal Expansion, µm/m-K | 17 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 8.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 11 | |
| 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 38 | |
| 30 |
| Density, g/cm3 | 8.8 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 4.4 | |
| 3.6 |
| Embodied Energy, MJ/kg | 68 | |
| 56 |
| Embodied Water, L/kg | 360 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 37 to 99 | |
| 19 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 to 5650 | |
| 930 to 1410 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 7.8 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 17 to 40 | |
| 19 to 20 |
| Strength to Weight: Bending, points | 16 to 30 | |
| 19 |
| Thermal Diffusivity, mm2/s | 17 | |
| 12 |
| Thermal Shock Resistance, points | 19 to 45 | |
| 22 to 23 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.1 | |
| 0 |
| Antimony (Sb), % | 0 to 0.020 | |
| 0 |
| Bismuth (Bi), % | 0 to 0.0010 | |
| 0 |
| Boron (B), % | 0 to 0.0010 | |
| 0 |
| Copper (Cu), % | 78.3 to 82.8 | |
| 63.5 to 66.5 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 to 0.0050 | |
| 0 to 0.050 |
| Magnesium (Mg), % | 0.0050 to 0.15 | |
| 0 |
| Manganese (Mn), % | 0.050 to 0.3 | |
| 0 to 0.5 |
| Nickel (Ni), % | 9.5 to 10.5 | |
| 11 to 13 |
| Niobium (Nb), % | 0.1 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.0050 | |
| 0 |
| Silicon (Si), % | 0 to 0.050 | |
| 0 |
| Sulfur (S), % | 0 to 0.0025 | |
| 0 |
| Tin (Sn), % | 7.5 to 8.5 | |
| 0 |
| Titanium (Ti), % | 0 to 0.010 | |
| 0 |
| Zinc (Zn), % | 0 to 1.0 | |
| 19.2 to 25.5 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.5 |