R30003 Cobalt vs. Reactor Grade Zirconium
R30003 cobalt belongs to the cobalt alloys classification, while reactor grade zirconium belongs to the otherwise unclassified metals. There are 19 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 R30003 cobalt and the bottom bar is reactor grade zirconium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 98 |
| Elongation at Break, % | 10 to 73 | |
| 21 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 83 | |
| 37 |
| Tensile Strength: Ultimate (UTS), MPa | 970 to 1720 | |
| 330 |
| Tensile Strength: Yield (Proof), MPa | 510 to 1090 | |
| 160 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 270 |
| Thermal Conductivity, W/m-K | 13 | |
| 22 |
| Thermal Expansion, µm/m-K | 13 | |
| 5.9 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.4 | |
| 6.5 |
| Embodied Water, L/kg | 400 | |
| 280 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 600 to 2790 | |
| 130 |
| Stiffness to Weight: Axial, points | 14 | |
| 8.4 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 32 to 57 | |
| 14 |
| Strength to Weight: Bending, points | 26 to 38 | |
| 16 |
| Thermal Diffusivity, mm2/s | 3.3 | |
| 13 |
| Thermal Shock Resistance, points | 26 to 45 | |
| 41 |
Alloy Composition
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| Boron (B), % | 0 to 0.1 | |
| 0 |
| Carbon (C), % | 0 to 0.15 | |
| 0 |
| Chromium (Cr), % | 19 to 21 | |
| 0 |
| Cobalt (Co), % | 39 to 41 | |
| 0 |
| Iron (Fe), % | 10 to 20.5 | |
| 0 |
| Manganese (Mn), % | 1.5 to 2.5 | |
| 0 |
| Molybdenum (Mo), % | 6.0 to 8.0 | |
| 0 |
| Nickel (Ni), % | 14 to 16 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 |
| Silicon (Si), % | 0 to 1.2 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 99.7 to 100 |
| Residuals, % | 0 | |
| 0 to 0.27 |