Nickel Beryllium 360 vs. R30075 Cobalt
Nickel beryllium 360 belongs to the nickel alloys classification, while R30075 cobalt belongs to the cobalt alloys. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is nickel beryllium 360 and the bottom bar is R30075 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 210 to 250 |
| Elongation at Break, % | 1.0 to 30 | |
| 12 |
| Fatigue Strength, MPa | 260 to 710 | |
| 250 to 840 |
| Poisson's Ratio | 0.3 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 82 to 98 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 1860 | |
| 780 to 1280 |
| Tensile Strength: Yield (Proof), MPa | 380 to 1590 | |
| 480 to 840 |
Thermal Properties
| Melting Completion (Liquidus), °C | 1330 | |
| 1360 |
| Melting Onset (Solidus), °C | 1200 | |
| 1290 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 450 |
| Thermal Conductivity, W/m-K | 48 | |
| 13 |
| Thermal Expansion, µm/m-K | 14 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 5.0 | |
| 2.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 5.4 | |
| 2.1 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.3 | |
| 8.4 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 12 to 190 | |
| 84 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 360 to 3440 | |
| 560 to 1410 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 to 17 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 to 25 |
| Strength to Weight: Axial, points | 26 to 62 | |
| 26 to 42 |
| Strength to Weight: Bending, points | 23 to 41 | |
| 22 to 31 |
| Thermal Diffusivity, mm2/s | 13 | |
| 3.5 |
| Thermal Shock Resistance, points | 19 to 46 | |
| 21 to 29 |