G-CoCr28 Cobalt vs. C43400 Brass
G-CoCr28 cobalt belongs to the cobalt alloys classification, while C43400 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is G-CoCr28 cobalt and the bottom bar is C43400 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 110 |
| Elongation at Break, % | 6.7 | |
| 3.0 to 49 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Shear Modulus, GPa | 83 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 560 | |
| 310 to 690 |
| Tensile Strength: Yield (Proof), MPa | 260 | |
| 110 to 560 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 1200 | |
| 170 |
| Melting Completion (Liquidus), °C | 1330 | |
| 1020 |
| Melting Onset (Solidus), °C | 1270 | |
| 990 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 380 |
| Thermal Conductivity, W/m-K | 8.5 | |
| 140 |
| Thermal Expansion, µm/m-K | 14 | |
| 19 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 100 | |
| 28 |
| Density, g/cm3 | 8.1 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 6.2 | |
| 2.7 |
| Embodied Energy, MJ/kg | 84 | |
| 44 |
| Embodied Water, L/kg | 440 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 31 | |
| 19 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 | |
| 57 to 1420 |
| Stiffness to Weight: Axial, points | 15 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 24 | |
| 19 |
| Strength to Weight: Axial, points | 19 | |
| 10 to 22 |
| Strength to Weight: Bending, points | 19 | |
| 12 to 20 |
| Thermal Diffusivity, mm2/s | 2.2 | |
| 41 |
| Thermal Shock Resistance, points | 14 | |
| 11 to 24 |
Alloy Composition
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| Carbon (C), % | 0.050 to 0.25 | |
| 0 |
| Chromium (Cr), % | 27 to 30 | |
| 0 |
| Cobalt (Co), % | 48 to 52 | |
| 0 |
| Copper (Cu), % | 0 | |
| 84 to 87 |
| Iron (Fe), % | 9.7 to 24.5 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 0 |
| Nickel (Ni), % | 0 to 4.0 | |
| 0 |
| Niobium (Nb), % | 0 to 0.5 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0.5 to 1.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0.4 to 1.0 |
| Zinc (Zn), % | 0 | |
| 11.4 to 15.6 |
| Residuals, % | 0 | |
| 0 to 0.5 |