C36000 Brass vs. R30816 Cobalt
C36000 brass belongs to the copper alloys classification, while R30816 cobalt belongs to the cobalt alloys. There are 24 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 C36000 brass and the bottom bar is R30816 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 210 |
| Elongation at Break, % | 5.8 to 23 | |
| 23 |
| Poisson's Ratio | 0.31 | |
| 0.3 |
| Shear Modulus, GPa | 39 | |
| 81 |
| Tensile Strength: Ultimate (UTS), MPa | 330 to 530 | |
| 1020 |
| Tensile Strength: Yield (Proof), MPa | 140 to 260 | |
| 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 300 |
| Melting Completion (Liquidus), °C | 900 | |
| 1540 |
| Melting Onset (Solidus), °C | 890 | |
| 1460 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 420 |
| Thermal Conductivity, W/m-K | 120 | |
| 13 |
| Thermal Expansion, µm/m-K | 21 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.2 | |
| 9.1 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 20 |
| Embodied Energy, MJ/kg | 45 | |
| 320 |
| Embodied Water, L/kg | 320 | |
| 440 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 25 to 62 | |
| 190 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 89 to 340 | |
| 510 |
| Stiffness to Weight: Axial, points | 7.0 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 22 |
| Strength to Weight: Axial, points | 11 to 18 | |
| 31 |
| Strength to Weight: Bending, points | 13 to 18 | |
| 25 |
| Thermal Diffusivity, mm2/s | 37 | |
| 3.3 |
| Thermal Shock Resistance, points | 11 to 18 | |
| 28 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.32 to 0.42 |
| Chromium (Cr), % | 0 | |
| 19 to 21 |
| Cobalt (Co), % | 0 | |
| 40 to 49.8 |
| Copper (Cu), % | 60 to 63 | |
| 0 |
| Iron (Fe), % | 0 to 0.35 | |
| 0 to 5.0 |
| Lead (Pb), % | 2.5 to 3.7 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 1.0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 3.5 to 4.5 |
| Nickel (Ni), % | 0 | |
| 19 to 21 |
| Niobium (Nb), % | 0 | |
| 3.5 to 4.5 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tantalum (Ta), % | 0 | |
| 3.5 to 4.5 |
| Tungsten (W), % | 0 | |
| 3.5 to 4.5 |
| Zinc (Zn), % | 32.5 to 37.5 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |