R30035 Cobalt vs. R60804 Alloy
R30035 cobalt belongs to the cobalt alloys classification, while R60804 alloy belongs to the otherwise unclassified metals. There are 20 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 R30035 cobalt and the bottom bar is R60804 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 220 to 230 | |
| 98 |
| Elongation at Break, % | 9.0 to 46 | |
| 22 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 84 to 89 | |
| 36 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 1900 | |
| 430 |
| Tensile Strength: Yield (Proof), MPa | 300 to 1650 | |
| 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 270 |
| Thermal Conductivity, W/m-K | 11 | |
| 22 |
| Thermal Expansion, µm/m-K | 13 | |
| 6.0 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.7 | |
| 6.5 |
| Embodied Water, L/kg | 410 | |
| 290 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 160 to 320 | |
| 85 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 210 to 5920 | |
| 380 |
| Stiffness to Weight: Axial, points | 14 to 15 | |
| 8.3 |
| Stiffness to Weight: Bending, points | 23 to 24 | |
| 23 |
| Strength to Weight: Axial, points | 29 to 61 | |
| 18 |
| Strength to Weight: Bending, points | 24 to 39 | |
| 19 |
| Thermal Diffusivity, mm2/s | 3.0 | |
| 12 |
| Thermal Shock Resistance, points | 23 to 46 | |
| 53 |
Alloy Composition
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| Boron (B), % | 0 to 0.015 | |
| 0 |
| Carbon (C), % | 0 to 0.025 | |
| 0 |
| Chromium (Cr), % | 19 to 21 | |
| 0.070 to 0.13 |
| Cobalt (Co), % | 29.1 to 39 | |
| 0 |
| Iron (Fe), % | 0 to 1.0 | |
| 0.18 to 0.24 |
| Manganese (Mn), % | 0 to 0.15 | |
| 0 |
| Molybdenum (Mo), % | 9.0 to 10.5 | |
| 0 |
| Nickel (Ni), % | 33 to 37 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 |
| Silicon (Si), % | 0 to 0.15 | |
| 0 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Tin (Sn), % | 0 | |
| 1.2 to 1.7 |
| Titanium (Ti), % | 0 to 1.0 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 97.8 to 98.6 |
| Residuals, % | 0 | |
| 0 to 0.12 |