Cold Worked And Aged R30003 Cobalt vs. Cold Worked And Aged R30035 Cobalt
Both cold worked and aged R30003 cobalt and cold worked and aged R30035 cobalt are cobalt alloys. Both are furnished in the cold worked and aged condition. They have 77% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is cold worked and aged R30003 cobalt and the bottom bar is cold worked and aged R30035 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 230 |
| Elongation at Break, % | 10 | |
| 9.0 |
| Fatigue Strength, MPa | 560 | |
| 740 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 83 | |
| 89 |
| Tensile Strength: Ultimate (UTS), MPa | 1720 | |
| 1900 |
| Tensile Strength: Yield (Proof), MPa | 1090 | |
| 1650 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 320 |
| Melting Completion (Liquidus), °C | 1400 | |
| 1440 |
| Melting Onset (Solidus), °C | 1440 | |
| 1320 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 440 |
| Thermal Conductivity, W/m-K | 13 | |
| 11 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.0 | |
| 1.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.1 | |
| 1.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 95 | |
| 100 |
| Density, g/cm3 | 8.4 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 10 |
| Embodied Energy, MJ/kg | 110 | |
| 140 |
| Embodied Water, L/kg | 400 | |
| 410 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 160 | |
| 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2790 | |
| 5920 |
| Stiffness to Weight: Axial, points | 14 | |
| 15 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 57 | |
| 61 |
| Strength to Weight: Bending, points | 38 | |
| 39 |
| Thermal Diffusivity, mm2/s | 3.3 | |
| 3.0 |
| Thermal Shock Resistance, points | 45 | |
| 46 |
Alloy Composition
| Boron (B), % | 0 to 0.1 | |
| 0 to 0.015 |
| Carbon (C), % | 0 to 0.15 | |
| 0 to 0.025 |
| Chromium (Cr), % | 19 to 21 | |
| 19 to 21 |
| Cobalt (Co), % | 39 to 41 | |
| 29.1 to 39 |
| Iron (Fe), % | 10 to 20.5 | |
| 0 to 1.0 |
| Manganese (Mn), % | 1.5 to 2.5 | |
| 0 to 0.15 |
| Molybdenum (Mo), % | 6.0 to 8.0 | |
| 9.0 to 10.5 |
| Nickel (Ni), % | 14 to 16 | |
| 33 to 37 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 1.2 | |
| 0 to 0.15 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 | |
| 0 to 1.0 |