R30075 Cobalt vs. Grade 19 Titanium
R30075 cobalt belongs to the cobalt alloys classification, while grade 19 titanium belongs to the titanium 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 R30075 cobalt and the bottom bar is grade 19 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 to 250 | |
| 120 |
| Elongation at Break, % | 12 | |
| 5.6 to 17 |
| Fatigue Strength, MPa | 250 to 840 | |
| 550 to 620 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Reduction in Area, % | 20 | |
| 22 |
| Shear Modulus, GPa | 82 to 98 | |
| 47 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 1280 | |
| 890 to 1300 |
| Tensile Strength: Yield (Proof), MPa | 480 to 840 | |
| 870 to 1170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 400 |
| Melting Completion (Liquidus), °C | 1360 | |
| 1660 |
| Melting Onset (Solidus), °C | 1290 | |
| 1600 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 520 |
| Thermal Conductivity, W/m-K | 13 | |
| 6.2 |
| Thermal Expansion, µm/m-K | 12 | |
| 9.1 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.4 | |
| 5.0 |
| Embodied Carbon, kg CO2/kg material | 8.1 | |
| 47 |
| Embodied Energy, MJ/kg | 110 | |
| 760 |
| Embodied Water, L/kg | 530 | |
| 230 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 84 to 140 | |
| 70 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 560 to 1410 | |
| 3040 to 5530 |
| Stiffness to Weight: Axial, points | 14 to 17 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 to 25 | |
| 33 |
| Strength to Weight: Axial, points | 26 to 42 | |
| 49 to 72 |
| Strength to Weight: Bending, points | 22 to 31 | |
| 41 to 53 |
| Thermal Diffusivity, mm2/s | 3.5 | |
| 2.4 |
| Thermal Shock Resistance, points | 21 to 29 | |
| 57 to 83 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.1 | |
| 3.0 to 4.0 |
| Boron (B), % | 0 to 0.010 | |
| 0 |
| Carbon (C), % | 0 to 0.35 | |
| 0 to 0.050 |
| Chromium (Cr), % | 27 to 30 | |
| 5.5 to 6.5 |
| Cobalt (Co), % | 58.7 to 68 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.020 |
| Iron (Fe), % | 0 to 0.75 | |
| 0 to 0.3 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 5.0 to 7.0 | |
| 3.5 to 4.5 |
| Nickel (Ni), % | 0 to 0.5 | |
| 0 |
| Nitrogen (N), % | 0 to 0.25 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.12 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Titanium (Ti), % | 0 to 0.1 | |
| 71.1 to 77 |
| Tungsten (W), % | 0 to 0.2 | |
| 0 |
| Vanadium (V), % | 0 | |
| 7.5 to 8.5 |
| Zirconium (Zr), % | 0 | |
| 3.5 to 4.5 |
| Residuals, % | 0 | |
| 0 to 0.4 |