G-CoCr28 Cobalt vs. C28000 Muntz Metal
G-CoCr28 cobalt belongs to the cobalt alloys classification, while C28000 Muntz Metal belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is G-CoCr28 cobalt and the bottom bar is C28000 Muntz Metal.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 100 |
| Elongation at Break, % | 6.7 | |
| 10 to 45 |
| Poisson's Ratio | 0.28 | |
| 0.31 |
| Shear Modulus, GPa | 83 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 560 | |
| 330 to 610 |
| Tensile Strength: Yield (Proof), MPa | 260 | |
| 150 to 370 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 1200 | |
| 120 |
| Melting Completion (Liquidus), °C | 1330 | |
| 900 |
| Melting Onset (Solidus), °C | 1270 | |
| 900 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 390 |
| Thermal Conductivity, W/m-K | 8.5 | |
| 120 |
| Thermal Expansion, µm/m-K | 14 | |
| 21 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 100 | |
| 23 |
| Density, g/cm3 | 8.1 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 6.2 | |
| 2.7 |
| Embodied Energy, MJ/kg | 84 | |
| 46 |
| Embodied Water, L/kg | 440 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 31 | |
| 27 to 240 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 | |
| 110 to 670 |
| Stiffness to Weight: Axial, points | 15 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 24 | |
| 20 |
| Strength to Weight: Axial, points | 19 | |
| 11 to 21 |
| Strength to Weight: Bending, points | 19 | |
| 13 to 20 |
| Thermal Diffusivity, mm2/s | 2.2 | |
| 40 |
| Thermal Shock Resistance, points | 14 | |
| 11 to 20 |
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 | |
| 59 to 63 |
| Iron (Fe), % | 9.7 to 24.5 | |
| 0 to 0.070 |
| Lead (Pb), % | 0 | |
| 0 to 0.3 |
| 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 |
| Zinc (Zn), % | 0 | |
| 36.3 to 41 |
| Residuals, % | 0 | |
| 0 to 0.3 |