Grade 19 Titanium vs. R30006 Cobalt
Grade 19 titanium belongs to the titanium alloys classification, while R30006 cobalt belongs to the cobalt alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is grade 19 titanium and the bottom bar is R30006 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 220 |
| Elongation at Break, % | 5.6 to 17 | |
| 1.0 |
| Fatigue Strength, MPa | 550 to 620 | |
| 260 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 47 | |
| 85 |
| Tensile Strength: Ultimate (UTS), MPa | 890 to 1300 | |
| 900 |
| Tensile Strength: Yield (Proof), MPa | 870 to 1170 | |
| 540 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 320 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1400 |
| Melting Onset (Solidus), °C | 1600 | |
| 1290 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 450 |
| Thermal Conductivity, W/m-K | 6.2 | |
| 15 |
| Thermal Expansion, µm/m-K | 9.1 | |
| 11 |
Otherwise Unclassified Properties
| Density, g/cm3 | 5.0 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 47 | |
| 7.8 |
| Embodied Energy, MJ/kg | 760 | |
| 110 |
| Embodied Water, L/kg | 230 | |
| 500 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 70 to 150 | |
| 7.8 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 3040 to 5530 | |
| 670 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 33 | |
| 23 |
| Strength to Weight: Axial, points | 49 to 72 | |
| 29 |
| Strength to Weight: Bending, points | 41 to 53 | |
| 24 |
| Thermal Diffusivity, mm2/s | 2.4 | |
| 3.9 |
| Thermal Shock Resistance, points | 57 to 83 | |
| 26 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 4.0 | |
| 0 |
| Carbon (C), % | 0 to 0.050 | |
| 0.9 to 1.4 |
| Chromium (Cr), % | 5.5 to 6.5 | |
| 27 to 32 |
| Cobalt (Co), % | 0 | |
| 48.6 to 68.1 |
| Hydrogen (H), % | 0 to 0.020 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 0 to 3.0 |
| Molybdenum (Mo), % | 3.5 to 4.5 | |
| 0 to 1.0 |
| Nickel (Ni), % | 0 | |
| 0 to 3.0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.12 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 2.0 |
| Titanium (Ti), % | 71.1 to 77 | |
| 0 |
| Tungsten (W), % | 0 | |
| 4.0 to 6.0 |
| Vanadium (V), % | 7.5 to 8.5 | |
| 0 |
| Zirconium (Zr), % | 3.5 to 4.5 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |