K94200 Alloy vs. SAE-AISI M4 Steel
Both K94200 alloy and SAE-AISI M4 steel are iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.
For each property being compared, the top bar is K94200 alloy and the bottom bar is SAE-AISI M4 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| 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 to 710 | |
| 770 to 2150 |
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 to 24 | |
| 26 to 72 |
| Strength to Weight: Bending, points | 17 to 22 | |
| 23 to 45 |
| Thermal Diffusivity, mm2/s | 3.7 | |
| 6.9 |
| Thermal Shock Resistance, points | 49 to 70 | |
| 24 to 68 |