R30016 Cobalt vs. C35600 Brass
R30016 cobalt belongs to the cobalt alloys classification, while C35600 brass belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is R30016 cobalt and the bottom bar is C35600 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 220 | |
| 100 |
| Poisson's Ratio | 0.28 | |
| 0.31 |
| Shear Modulus, GPa | 85 | |
| 39 |
| Tensile Strength: Ultimate (UTS), MPa | 1010 | |
| 340 to 650 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 170 |
| Melting Completion (Liquidus), °C | 1360 | |
| 900 |
| Melting Onset (Solidus), °C | 1270 | |
| 890 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 380 |
| Thermal Conductivity, W/m-K | 15 | |
| 120 |
| Thermal Expansion, µm/m-K | 14 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.9 | |
| 26 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.0 | |
| 29 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.5 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 7.7 | |
| 2.6 |
| Embodied Energy, MJ/kg | 110 | |
| 45 |
| Embodied Water, L/kg | 500 | |
| 320 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 7.0 |
| Stiffness to Weight: Bending, points | 24 | |
| 19 |
| Strength to Weight: Axial, points | 33 | |
| 11 to 22 |
| Strength to Weight: Bending, points | 26 | |
| 13 to 21 |
| Thermal Diffusivity, mm2/s | 3.9 | |
| 38 |
| Thermal Shock Resistance, points | 24 | |
| 11 to 22 |
Alloy Composition
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| Carbon (C), % | 0.9 to 1.4 | |
| 0 |
| Chromium (Cr), % | 28 to 32 | |
| 0 |
| Cobalt (Co), % | 49.6 to 66.9 | |
| 0 |
| Copper (Cu), % | 0 | |
| 60 to 63 |
| Iron (Fe), % | 0 to 3.0 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 2.0 to 3.0 |
| Manganese (Mn), % | 0.5 to 2.0 | |
| 0 |
| Molybdenum (Mo), % | 0 to 1.5 | |
| 0 |
| Nickel (Ni), % | 0 to 3.0 | |
| 0 |
| Silicon (Si), % | 0.2 to 2.0 | |
| 0 |
| Tungsten (W), % | 3.5 to 5.5 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 33.4 to 38 |
| Residuals, % | 0 | |
| 0 to 0.5 |