R30016 Cobalt vs. C26200 Brass
R30016 cobalt belongs to the cobalt alloys classification, while C26200 brass belongs to the copper alloys. There are 26 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 C26200 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 220 | |
| 110 |
| Elongation at Break, % | 8.4 | |
| 3.0 to 180 |
| Poisson's Ratio | 0.28 | |
| 0.31 |
| Shear Modulus, GPa | 85 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 1010 | |
| 330 to 770 |
| Tensile Strength: Yield (Proof), MPa | 580 | |
| 110 to 490 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 180 |
| Melting Completion (Liquidus), °C | 1360 | |
| 950 |
| Melting Onset (Solidus), °C | 1270 | |
| 920 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 390 |
| Thermal Conductivity, W/m-K | 15 | |
| 120 |
| Thermal Expansion, µm/m-K | 14 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.9 | |
| 28 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.0 | |
| 31 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.5 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 7.7 | |
| 2.7 |
| Embodied Energy, MJ/kg | 110 | |
| 45 |
| Embodied Water, L/kg | 500 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 72 | |
| 19 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 770 | |
| 62 to 1110 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 24 | |
| 19 |
| Strength to Weight: Axial, points | 33 | |
| 11 to 26 |
| Strength to Weight: Bending, points | 26 | |
| 13 to 23 |
| Thermal Diffusivity, mm2/s | 3.9 | |
| 38 |
| Thermal Shock Resistance, points | 24 | |
| 11 to 26 |
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 | |
| 67 to 70 |
| Iron (Fe), % | 0 to 3.0 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 | |
| 0 to 0.070 |
| 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 | |
| 29.6 to 33 |
| Residuals, % | 0 | |
| 0 to 0.3 |