Nickel Beryllium 360 vs. EN 1.7221 Steel
Nickel beryllium 360 belongs to the nickel alloys classification, while EN 1.7221 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is nickel beryllium 360 and the bottom bar is EN 1.7221 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 1.0 to 30 | |
| 11 to 17 |
| Fatigue Strength, MPa | 260 to 710 | |
| 290 to 390 |
| Poisson's Ratio | 0.3 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 1860 | |
| 650 to 780 |
| Tensile Strength: Yield (Proof), MPa | 380 to 1590 | |
| 430 to 630 |
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 | |
| 44 |
| 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 | |
| 83 to 98 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 360 to 3440 | |
| 490 to 1050 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 26 to 62 | |
| 23 to 27 |
| Strength to Weight: Bending, points | 23 to 41 | |
| 21 to 24 |
| Thermal Diffusivity, mm2/s | 13 | |
| 12 |
| Thermal Shock Resistance, points | 19 to 46 | |
| 19 to 23 |