Nickel Beryllium 360 vs. ASTM A229 Spring Steel
Nickel beryllium 360 belongs to the nickel alloys classification, while ASTM A229 spring 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 ASTM A229 spring steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 1.0 to 30 | |
| 14 |
| Fatigue Strength, MPa | 260 to 710 | |
| 710 to 790 |
| Poisson's Ratio | 0.3 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 72 |
| Shear Strength, MPa | 510 to 1100 | |
| 1020 to 1140 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 1860 | |
| 1690 to 1890 |
| Tensile Strength: Yield (Proof), MPa | 380 to 1590 | |
| 1100 to 1230 |
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 | |
| 50 |
| 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 230 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 360 to 3440 | |
| 3260 to 4080 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 26 to 62 | |
| 60 to 67 |
| Strength to Weight: Bending, points | 23 to 41 | |
| 40 to 43 |
| Thermal Diffusivity, mm2/s | 13 | |
| 14 |
| Thermal Shock Resistance, points | 19 to 46 | |
| 54 to 60 |