Nickel Beryllium 360 vs. SAE-AISI 4140 Steel
Nickel beryllium 360 belongs to the nickel alloys classification, while SAE-AISI 4140 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 4140 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 1.0 to 30 | |
| 11 to 26 |
| Fatigue Strength, MPa | 260 to 710 | |
| 360 to 650 |
| Poisson's Ratio | 0.3 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 73 |
| Shear Strength, MPa | 510 to 1100 | |
| 410 to 660 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 1860 | |
| 690 to 1080 |
| Tensile Strength: Yield (Proof), MPa | 380 to 1590 | |
| 590 to 990 |
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 | |
| 43 |
| 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 | |
| 74 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 360 to 3440 | |
| 920 to 2590 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 26 to 62 | |
| 25 to 38 |
| Strength to Weight: Bending, points | 23 to 41 | |
| 22 to 30 |
| Thermal Diffusivity, mm2/s | 13 | |
| 12 |
| Thermal Shock Resistance, points | 19 to 46 | |
| 20 to 32 |