R30008 Cobalt vs. K93600 Alloy
R30008 cobalt belongs to the cobalt alloys classification, while K93600 alloy belongs to the iron alloys. There are 14 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.
For each property being compared, the top bar is R30008 cobalt and the bottom bar is K93600 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 140 |
| Elongation at Break, % | 1.1 to 73 | |
| 5.0 to 35 |
| Tensile Strength: Ultimate (UTS), MPa | 950 to 1700 | |
| 480 to 810 |
| Tensile Strength: Yield (Proof), MPa | 500 to 1080 | |
| 280 to 750 |
Thermal Properties
| Melting Onset (Solidus), °C | 1330 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 520 |
| Thermal Expansion, µm/m-K | 13 | |
| 7.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.4 | |
| 8.1 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 590 to 2720 | |
| 280 to 2050 |
| Stiffness to Weight: Axial, points | 14 | |
| 9.4 |
| Stiffness to Weight: Bending, points | 24 | |
| 21 |
| Strength to Weight: Axial, points | 31 to 56 | |
| 16 to 28 |
| Strength to Weight: Bending, points | 25 to 37 | |
| 17 to 24 |
| Thermal Shock Resistance, points | 25 to 44 | |
| 34 to 57 |