G-CoCr28 Cobalt vs. Grade 11 Titanium
G-CoCr28 cobalt belongs to the cobalt alloys classification, while grade 11 titanium belongs to the titanium 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 grade 11 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 110 |
| Elongation at Break, % | 6.7 | |
| 29 |
| Fatigue Strength, MPa | 130 | |
| 170 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 83 | |
| 38 |
| Tensile Strength: Ultimate (UTS), MPa | 560 | |
| 310 |
| Tensile Strength: Yield (Proof), MPa | 260 | |
| 230 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 1200 | |
| 320 |
| Melting Completion (Liquidus), °C | 1330 | |
| 1660 |
| Melting Onset (Solidus), °C | 1270 | |
| 1610 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 540 |
| Thermal Conductivity, W/m-K | 8.5 | |
| 22 |
| Thermal Expansion, µm/m-K | 14 | |
| 9.2 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.1 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 6.2 | |
| 47 |
| Embodied Energy, MJ/kg | 84 | |
| 800 |
| Embodied Water, L/kg | 440 | |
| 470 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 31 | |
| 81 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 | |
| 240 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 35 |
| Strength to Weight: Axial, points | 19 | |
| 19 |
| Strength to Weight: Bending, points | 19 | |
| 22 |
| Thermal Diffusivity, mm2/s | 2.2 | |
| 8.9 |
| Thermal Shock Resistance, points | 14 | |
| 22 |
Alloy Composition
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| Carbon (C), % | 0.050 to 0.25 | |
| 0 to 0.080 |
| Chromium (Cr), % | 27 to 30 | |
| 0 |
| Cobalt (Co), % | 48 to 52 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 9.7 to 24.5 | |
| 0 to 0.2 |
| 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 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.18 |
| Palladium (Pd), % | 0 | |
| 0.12 to 0.25 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0.5 to 1.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 98.8 to 99.88 |
| Residuals, % | 0 | |
| 0 to 0.4 |