90-silver 10-nickel vs. R30075 Cobalt
90-silver 10-nickel belongs to the otherwise unclassified metals classification, while R30075 cobalt belongs to the cobalt alloys. There are 17 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is 90-silver 10-nickel and the bottom bar is R30075 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 82 | |
210 to 250 |
Poisson's Ratio | 0.36 | |
0.29 |
Shear Modulus, GPa | 30 | |
82 to 98 |
Tensile Strength: Ultimate (UTS), MPa | 250 to 420 | |
780 to 1280 |
Thermal Properties
Latent Heat of Fusion, J/g | 130 | |
320 |
Melting Completion (Liquidus), °C | 840 | |
1360 |
Melting Onset (Solidus), °C | 960 | |
1290 |
Specific Heat Capacity, J/kg-K | 260 | |
450 |
Thermal Expansion, µm/m-K | 19 | |
12 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 90 | |
2.0 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 79 | |
2.1 |
Otherwise Unclassified Properties
Density, g/cm3 | 10 | |
8.4 |
Common Calculations
Stiffness to Weight: Axial, points | 4.4 | |
14 to 17 |
Stiffness to Weight: Bending, points | 14 | |
24 to 25 |
Strength to Weight: Axial, points | 6.7 to 11 | |
26 to 42 |
Strength to Weight: Bending, points | 8.5 to 12 | |
22 to 31 |
Thermal Shock Resistance, points | 11 to 19 | |
21 to 29 |
Alloy Composition
Aluminum (Al), % | 0 | |
0 to 0.1 |
Boron (B), % | 0 | |
0 to 0.010 |
Carbon (C), % | 0 | |
0 to 0.35 |
Chromium (Cr), % | 0 | |
27 to 30 |
Cobalt (Co), % | 0 | |
58.7 to 68 |
Iron (Fe), % | 0 | |
0 to 0.75 |
Manganese (Mn), % | 0 | |
0 to 1.0 |
Molybdenum (Mo), % | 0 | |
5.0 to 7.0 |
Nickel (Ni), % | 8.8 to 11 | |
0 to 0.5 |
Nitrogen (N), % | 0 | |
0 to 0.25 |
Phosphorus (P), % | 0 | |
0 to 0.020 |
Silicon (Si), % | 0 | |
0 to 1.0 |
Silver (Ag), % | 89 to 91 | |
0 |
Sulfur (S), % | 0 | |
0 to 0.010 |
Titanium (Ti), % | 0 | |
0 to 0.1 |
Tungsten (W), % | 0 | |
0 to 0.2 |
Residuals, % | 0 to 0.2 | |
0 |