Annealed K94200 vs. Annealed SAE-AISI M4
Both annealed K94200 and annealed SAE-AISI M4 are iron alloys. Both are furnished in the annealed condition. There are 16 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.
For each property being compared, the top bar is annealed K94200 and the bottom bar is annealed SAE-AISI M4.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 130 | |
| 230 |
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 200 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 54 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 500 | |
| 770 |
Thermal Properties
| Melting Onset (Solidus), °C | 1440 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 500 | |
| 440 |
| Thermal Conductivity, W/m-K | 15 | |
| 25 |
| Thermal Expansion, µm/m-K | 5.0 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.2 | |
| 8.3 |
Common Calculations
| Stiffness to Weight: Axial, points | 9.8 | |
| 13 |
| Stiffness to Weight: Bending, points | 21 | |
| 23 |
| Strength to Weight: Axial, points | 17 | |
| 26 |
| Strength to Weight: Bending, points | 17 | |
| 23 |
| Thermal Diffusivity, mm2/s | 3.7 | |
| 6.9 |
| Thermal Shock Resistance, points | 49 | |
| 24 |