Nickel Beryllium 360 vs. ASTM A387 Grade 12 Steel
Nickel beryllium 360 belongs to the nickel alloys classification, while ASTM A387 grade 12 steel belongs to the iron alloys. There are 24 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 A387 grade 12 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 1.0 to 30 | |
| 25 |
| Fatigue Strength, MPa | 260 to 710 | |
| 190 to 230 |
| Poisson's Ratio | 0.3 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 73 |
| Shear Strength, MPa | 510 to 1100 | |
| 300 to 330 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 1860 | |
| 470 to 520 |
| Tensile Strength: Yield (Proof), MPa | 380 to 1590 | |
| 260 to 310 |
Thermal Properties
| Melting Completion (Liquidus), °C | 1330 | |
| 1470 |
| 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 | |
| 7.2 |
| 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 | |
| 98 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 360 to 3440 | |
| 180 to 250 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 26 to 62 | |
| 16 to 18 |
| Strength to Weight: Bending, points | 23 to 41 | |
| 17 to 18 |
| Thermal Diffusivity, mm2/s | 13 | |
| 12 |
| Thermal Shock Resistance, points | 19 to 46 | |
| 14 to 15 |