ACI-ASTM CB7Cu-2 Steel vs. Nickel Beryllium 360
ACI-ASTM CB7Cu-2 steel belongs to the iron alloys classification, while nickel beryllium 360 belongs to the nickel 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 ACI-ASTM CB7Cu-2 steel and the bottom bar is nickel beryllium 360.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 5.7 to 11 | |
| 1.0 to 30 |
| Fatigue Strength, MPa | 420 to 590 | |
| 260 to 710 |
| Poisson's Ratio | 0.28 | |
| 0.3 |
| Shear Modulus, GPa | 75 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 960 to 1350 | |
| 780 to 1860 |
| Tensile Strength: Yield (Proof), MPa | 760 to 1180 | |
| 380 to 1590 |
Thermal Properties
| Melting Completion (Liquidus), °C | 1430 | |
| 1330 |
| Melting Onset (Solidus), °C | 1380 | |
| 1200 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 460 |
| Thermal Conductivity, W/m-K | 17 | |
| 48 |
| Thermal Expansion, µm/m-K | 11 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.1 | |
| 5.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.4 | |
| 5.4 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 8.3 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 120 | |
| 12 to 190 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1510 to 3600 | |
| 360 to 3440 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 34 to 48 | |
| 26 to 62 |
| Strength to Weight: Bending, points | 28 to 35 | |
| 23 to 41 |
| Thermal Diffusivity, mm2/s | 4.6 | |
| 13 |
| Thermal Shock Resistance, points | 32 to 45 | |
| 19 to 46 |