R30035 Cobalt vs. K93600 Alloy
R30035 cobalt belongs to the cobalt alloys classification, while K93600 alloy belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is R30035 cobalt and the bottom bar is K93600 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 220 to 230 | |
| 140 |
| Elongation at Break, % | 9.0 to 46 | |
| 5.0 to 35 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 1900 | |
| 480 to 810 |
| Tensile Strength: Yield (Proof), MPa | 300 to 1650 | |
| 280 to 750 |
Thermal Properties
| Melting Onset (Solidus), °C | 1320 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 520 |
| Thermal Conductivity, W/m-K | 11 | |
| 13 |
| Thermal Expansion, µm/m-K | 13 | |
| 7.3 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.7 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.8 | |
| 2.4 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.7 | |
| 8.1 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 160 to 320 | |
| 21 to 280 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 210 to 5920 | |
| 280 to 2050 |
| Stiffness to Weight: Axial, points | 14 to 15 | |
| 9.4 |
| Stiffness to Weight: Bending, points | 23 to 24 | |
| 21 |
| Strength to Weight: Axial, points | 29 to 61 | |
| 16 to 28 |
| Strength to Weight: Bending, points | 24 to 39 | |
| 17 to 24 |
| Thermal Diffusivity, mm2/s | 3.0 | |
| 3.1 |
| Thermal Shock Resistance, points | 23 to 46 | |
| 34 to 57 |