SAE-AISI H21 Steel vs. Nickel Beryllium 360
SAE-AISI H21 steel belongs to the iron alloys classification, while nickel beryllium 360 belongs to the nickel alloys. There are 16 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI H21 steel and the bottom bar is nickel beryllium 360.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Poisson's Ratio | 0.29 | |
| 0.3 |
| Shear Modulus, GPa | 76 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 720 to 1790 | |
| 780 to 1860 |
Thermal Properties
| Melting Completion (Liquidus), °C | 1630 | |
| 1330 |
| Melting Onset (Solidus), °C | 1580 | |
| 1200 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 460 |
| Thermal Conductivity, W/m-K | 27 | |
| 48 |
| Thermal Expansion, µm/m-K | 11 | |
| 14 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.5 | |
| 8.3 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 24 |
| Strength to Weight: Axial, points | 23 to 58 | |
| 26 to 62 |
| Strength to Weight: Bending, points | 21 to 38 | |
| 23 to 41 |
| Thermal Diffusivity, mm2/s | 7.1 | |
| 13 |
| Thermal Shock Resistance, points | 24 to 59 | |
| 19 to 46 |