C73100 Nickel Silver vs. R30008 Cobalt
C73100 nickel silver belongs to the copper alloys classification, while R30008 cobalt belongs to the cobalt alloys. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is C73100 nickel silver and the bottom bar is R30008 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 210 |
| Elongation at Break, % | 3.4 to 8.0 | |
| 1.1 to 73 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 43 | |
| 83 |
| Tensile Strength: Ultimate (UTS), MPa | 450 to 640 | |
| 950 to 1700 |
| Tensile Strength: Yield (Proof), MPa | 420 to 590 | |
| 500 to 1080 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 320 |
| Melting Completion (Liquidus), °C | 1030 | |
| 1400 |
| Melting Onset (Solidus), °C | 1000 | |
| 1330 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 450 |
| Thermal Expansion, µm/m-K | 19 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 28 | |
| 95 |
| Density, g/cm3 | 8.4 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 8.1 |
| Embodied Energy, MJ/kg | 49 | |
| 110 |
| Embodied Water, L/kg | 310 | |
| 400 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 790 to 1560 | |
| 590 to 2720 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 24 |
| Strength to Weight: Axial, points | 15 to 21 | |
| 31 to 56 |
| Strength to Weight: Bending, points | 15 to 20 | |
| 25 to 37 |
| Thermal Shock Resistance, points | 15 to 21 | |
| 25 to 44 |
Alloy Composition
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| Boron (B), % | 0 | |
| 0 to 0.0010 |
| Carbon (C), % | 0 | |
| 0 to 0.15 |
| Chromium (Cr), % | 0 | |
| 18.5 to 21.5 |
| Cobalt (Co), % | 0 | |
| 39 to 42 |
| Copper (Cu), % | 70.8 to 78 | |
| 0 |
| Iron (Fe), % | 0 to 0.1 | |
| 7.6 to 20 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0 to 0.5 | |
| 1.0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 6.5 to 7.5 |
| Nickel (Ni), % | 4.0 to 6.0 | |
| 15 to 18 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 | |
| 0 to 1.2 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Tin (Sn), % | 0 to 0.1 | |
| 0 |
| Zinc (Zn), % | 18 to 22 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |