R30021 Cobalt vs. N07041 Nickel
R30021 cobalt belongs to the cobalt alloys classification, while N07041 nickel belongs to the nickel alloys. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is R30021 cobalt and the bottom bar is N07041 nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 220 | |
| 220 |
| Elongation at Break, % | 9.0 | |
| 14 |
| Fatigue Strength, MPa | 250 | |
| 540 |
| Tensile Strength: Ultimate (UTS), MPa | 700 | |
| 1400 |
| Tensile Strength: Yield (Proof), MPa | 500 | |
| 1050 |
Thermal Properties
| Melting Onset (Solidus), °C | 1190 | |
| 1320 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 450 |
| Thermal Conductivity, W/m-K | 15 | |
| 11 |
| Thermal Expansion, µm/m-K | 11 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.4 | |
| 8.2 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 57 | |
| 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 570 | |
| 2510 |
| Stiffness to Weight: Axial, points | 15 | |
| 15 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 23 | |
| 47 |
| Strength to Weight: Bending, points | 21 | |
| 34 |
| Thermal Diffusivity, mm2/s | 3.8 | |
| 3.0 |
| Thermal Shock Resistance, points | 21 | |
| 38 |