Austempered Cast Iron vs. Nickel Beryllium 360
Austempered cast iron belongs to the iron alloys classification, while nickel beryllium 360 belongs to the nickel alloys. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is austempered cast iron and the bottom bar is nickel beryllium 360.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 200 |
| Elongation at Break, % | 1.1 to 13 | |
| 1.0 to 30 |
| Poisson's Ratio | 0.29 | |
| 0.3 |
| Shear Modulus, GPa | 62 to 69 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 860 to 1800 | |
| 780 to 1860 |
| Tensile Strength: Yield (Proof), MPa | 560 to 1460 | |
| 380 to 1590 |
Thermal Properties
| Melting Completion (Liquidus), °C | 1380 | |
| 1330 |
| Melting Onset (Solidus), °C | 1340 | |
| 1200 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 460 |
| Thermal Conductivity, W/m-K | 42 | |
| 48 |
| Thermal Expansion, µm/m-K | 13 | |
| 14 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.5 | |
| 8.3 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 19 to 95 | |
| 12 to 190 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 880 to 3970 | |
| 360 to 3440 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 32 to 66 | |
| 26 to 62 |
| Strength to Weight: Bending, points | 27 to 44 | |
| 23 to 41 |
| Thermal Diffusivity, mm2/s | 11 | |
| 13 |
| Thermal Shock Resistance, points | 25 to 53 | |
| 19 to 46 |