Nickel Beryllium 360 vs. SAE-AISI 8740 Steel
Nickel beryllium 360 belongs to the nickel alloys classification, while SAE-AISI 8740 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is nickel beryllium 360 and the bottom bar is SAE-AISI 8740 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 1.0 to 30 | |
| 11 to 23 |
| Fatigue Strength, MPa | 260 to 710 | |
| 270 to 350 |
| Poisson's Ratio | 0.3 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 73 |
| Shear Strength, MPa | 510 to 1100 | |
| 370 to 400 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 1860 | |
| 580 to 670 |
| Tensile Strength: Yield (Proof), MPa | 380 to 1590 | |
| 380 to 570 |
Thermal Properties
| Melting Completion (Liquidus), °C | 1330 | |
| 1460 |
| Melting Onset (Solidus), °C | 1200 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 470 |
| Thermal Conductivity, W/m-K | 48 | |
| 39 |
| Thermal Expansion, µm/m-K | 14 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 5.0 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 5.4 | |
| 8.4 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.3 | |
| 7.8 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 12 to 190 | |
| 71 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 360 to 3440 | |
| 390 to 850 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 26 to 62 | |
| 20 to 24 |
| Strength to Weight: Bending, points | 23 to 41 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 13 | |
| 10 |
| Thermal Shock Resistance, points | 19 to 46 | |
| 17 to 20 |