K93600 Alloy vs. R30075 Cobalt
K93600 alloy belongs to the iron alloys classification, while R30075 cobalt belongs to the cobalt alloys. There are 19 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 K93600 alloy and the bottom bar is R30075 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 210 to 250 |
| Elongation at Break, % | 5.0 to 35 | |
| 12 |
| Tensile Strength: Ultimate (UTS), MPa | 480 to 810 | |
| 780 to 1280 |
| Tensile Strength: Yield (Proof), MPa | 280 to 750 | |
| 480 to 840 |
Thermal Properties
| Melting Onset (Solidus), °C | 1430 | |
| 1290 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 450 |
| Thermal Conductivity, W/m-K | 13 | |
| 13 |
| Thermal Expansion, µm/m-K | 7.3 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 2.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.4 | |
| 2.1 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.1 | |
| 8.4 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 21 to 280 | |
| 84 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 280 to 2050 | |
| 560 to 1410 |
| Stiffness to Weight: Axial, points | 9.4 | |
| 14 to 17 |
| Stiffness to Weight: Bending, points | 21 | |
| 24 to 25 |
| Strength to Weight: Axial, points | 16 to 28 | |
| 26 to 42 |
| Strength to Weight: Bending, points | 17 to 24 | |
| 22 to 31 |
| Thermal Diffusivity, mm2/s | 3.1 | |
| 3.5 |
| Thermal Shock Resistance, points | 34 to 57 | |
| 21 to 29 |