R30016 Cobalt vs. C46200 Brass
R30016 cobalt belongs to the cobalt alloys classification, while C46200 brass belongs to the copper alloys. There are 24 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 R30016 cobalt and the bottom bar is C46200 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 220 | |
| 100 |
| Elongation at Break, % | 8.4 | |
| 17 to 34 |
| Poisson's Ratio | 0.28 | |
| 0.31 |
| Shear Modulus, GPa | 85 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 1010 | |
| 370 to 480 |
| Tensile Strength: Yield (Proof), MPa | 580 | |
| 120 to 290 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 170 |
| Melting Completion (Liquidus), °C | 1360 | |
| 840 |
| Melting Onset (Solidus), °C | 1270 | |
| 800 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 380 |
| Thermal Conductivity, W/m-K | 15 | |
| 110 |
| Thermal Expansion, µm/m-K | 14 | |
| 20 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.5 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 7.7 | |
| 2.7 |
| Embodied Energy, MJ/kg | 110 | |
| 46 |
| Embodied Water, L/kg | 500 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 72 | |
| 69 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 770 | |
| 72 to 400 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 24 | |
| 19 |
| Strength to Weight: Axial, points | 33 | |
| 13 to 16 |
| Strength to Weight: Bending, points | 26 | |
| 14 to 17 |
| Thermal Diffusivity, mm2/s | 3.9 | |
| 35 |
| Thermal Shock Resistance, points | 24 | |
| 12 to 16 |
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 | |
| 62 to 65 |
| Iron (Fe), % | 0 to 3.0 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 0 to 0.2 |
| 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 |
| Tin (Sn), % | 0 | |
| 0.5 to 1.0 |
| Tungsten (W), % | 3.5 to 5.5 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 33.3 to 37.5 |
| Residuals, % | 0 | |
| 0 to 0.4 |