C78200 Nickel Silver vs. R30006 Cobalt
C78200 nickel silver belongs to the copper alloys classification, while R30006 cobalt belongs to the cobalt alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is C78200 nickel silver and the bottom bar is R30006 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 220 |
| Elongation at Break, % | 3.0 to 40 | |
| 1.0 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 43 | |
| 85 |
| Tensile Strength: Ultimate (UTS), MPa | 370 to 630 | |
| 900 |
| Tensile Strength: Yield (Proof), MPa | 170 to 570 | |
| 540 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 320 |
| Melting Completion (Liquidus), °C | 1000 | |
| 1400 |
| Melting Onset (Solidus), °C | 970 | |
| 1290 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 450 |
| Thermal Conductivity, W/m-K | 48 | |
| 15 |
| Thermal Expansion, µm/m-K | 19 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 1.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 12 | |
| 1.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.4 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 3.3 | |
| 7.8 |
| Embodied Energy, MJ/kg | 52 | |
| 110 |
| Embodied Water, L/kg | 310 | |
| 500 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 18 to 120 | |
| 7.8 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 1440 | |
| 670 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 23 |
| Strength to Weight: Axial, points | 12 to 21 | |
| 29 |
| Strength to Weight: Bending, points | 14 to 19 | |
| 24 |
| Thermal Diffusivity, mm2/s | 15 | |
| 3.9 |
| Thermal Shock Resistance, points | 12 to 21 | |
| 26 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.9 to 1.4 |
| Chromium (Cr), % | 0 | |
| 27 to 32 |
| Cobalt (Co), % | 0 | |
| 48.6 to 68.1 |
| Copper (Cu), % | 63 to 67 | |
| 0 |
| Iron (Fe), % | 0 to 0.35 | |
| 0 to 3.0 |
| Lead (Pb), % | 1.5 to 2.5 | |
| 0 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 1.0 |
| Nickel (Ni), % | 7.0 to 9.0 | |
| 0 to 3.0 |
| Silicon (Si), % | 0 | |
| 0 to 2.0 |
| Tungsten (W), % | 0 | |
| 4.0 to 6.0 |
| Zinc (Zn), % | 20.2 to 28.5 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |