AISI 440A Stainless Steel vs. Nickel Beryllium 360
AISI 440A stainless 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 (9, in this case) are not shown.
For each property being compared, the top bar is AISI 440A stainless steel and the bottom bar is nickel beryllium 360.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 5.0 to 20 | |
| 1.0 to 30 |
| Fatigue Strength, MPa | 270 to 790 | |
| 260 to 710 |
| Poisson's Ratio | 0.28 | |
| 0.3 |
| Shear Modulus, GPa | 77 | |
| 77 |
| Shear Strength, MPa | 450 to 1040 | |
| 510 to 1100 |
| Tensile Strength: Ultimate (UTS), MPa | 730 to 1790 | |
| 780 to 1860 |
| Tensile Strength: Yield (Proof), MPa | 420 to 1650 | |
| 380 to 1590 |
Thermal Properties
| Melting Completion (Liquidus), °C | 1480 | |
| 1330 |
| Melting Onset (Solidus), °C | 1370 | |
| 1200 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 460 |
| Thermal Conductivity, W/m-K | 23 | |
| 48 |
| Thermal Expansion, µm/m-K | 10 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.5 | |
| 5.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 5.4 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.7 | |
| 8.3 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 120 | |
| 12 to 190 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 26 to 65 | |
| 26 to 62 |
| Strength to Weight: Bending, points | 23 to 43 | |
| 23 to 41 |
| Thermal Diffusivity, mm2/s | 6.2 | |
| 13 |
| Thermal Shock Resistance, points | 26 to 65 | |
| 19 to 46 |