Grade 17 Titanium vs. R30003 Cobalt
Grade 17 titanium belongs to the titanium alloys classification, while R30003 cobalt belongs to the cobalt 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 grade 17 titanium and the bottom bar is R30003 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 210 |
| Elongation at Break, % | 27 | |
| 10 to 73 |
| Fatigue Strength, MPa | 160 | |
| 320 to 560 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 38 | |
| 83 |
| Tensile Strength: Ultimate (UTS), MPa | 270 | |
| 970 to 1720 |
| Tensile Strength: Yield (Proof), MPa | 210 | |
| 510 to 1090 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 310 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1400 |
| Melting Onset (Solidus), °C | 1610 | |
| 1440 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 450 |
| Thermal Conductivity, W/m-K | 23 | |
| 13 |
| Thermal Expansion, µm/m-K | 8.7 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.7 | |
| 2.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.3 | |
| 2.1 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 36 | |
| 8.0 |
| Embodied Energy, MJ/kg | 600 | |
| 110 |
| Embodied Water, L/kg | 230 | |
| 400 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 220 | |
| 600 to 2790 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 17 | |
| 32 to 57 |
| Strength to Weight: Bending, points | 21 | |
| 26 to 38 |
| Thermal Diffusivity, mm2/s | 9.3 | |
| 3.3 |
| Thermal Shock Resistance, points | 21 | |
| 26 to 45 |
Alloy Composition
Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 452
| Boron (B), % | 0 | |
| 0 to 0.1 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.15 |
| Chromium (Cr), % | 0 | |
| 19 to 21 |
| Cobalt (Co), % | 0 | |
| 39 to 41 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 10 to 20.5 |
| Manganese (Mn), % | 0 | |
| 1.5 to 2.5 |
| Molybdenum (Mo), % | 0 | |
| 6.0 to 8.0 |
| Nickel (Ni), % | 0 | |
| 14 to 16 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.18 | |
| 0 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 | |
| 0 to 1.2 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Titanium (Ti), % | 99.015 to 99.96 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |