Nickel Beryllium 360 vs. ASTM A227 Spring Steel
Nickel beryllium 360 belongs to the nickel alloys classification, while ASTM A227 spring steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is nickel beryllium 360 and the bottom bar is ASTM A227 spring steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 1.0 to 30 | |
| 12 |
| Fatigue Strength, MPa | 260 to 710 | |
| 900 to 1160 |
| Poisson's Ratio | 0.3 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 72 |
| Shear Strength, MPa | 510 to 1100 | |
| 1030 to 1330 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 1860 | |
| 1720 to 2220 |
| Tensile Strength: Yield (Proof), MPa | 380 to 1590 | |
| 1430 to 1850 |
Thermal Properties
| Melting Completion (Liquidus), °C | 1330 | |
| 1450 |
| Melting Onset (Solidus), °C | 1200 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 470 |
| Thermal Conductivity, W/m-K | 48 | |
| 52 |
| Thermal Expansion, µm/m-K | 14 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 5.0 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 5.4 | |
| 8.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.3 | |
| 7.8 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 12 to 190 | |
| 200 to 260 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 26 to 62 | |
| 61 to 79 |
| Strength to Weight: Bending, points | 23 to 41 | |
| 41 to 48 |
| Thermal Diffusivity, mm2/s | 13 | |
| 14 |
| Thermal Shock Resistance, points | 19 to 46 | |
| 55 to 71 |