K94200 Alloy vs. SAE-AISI 4320 Steel
Both K94200 alloy and SAE-AISI 4320 steel are iron alloys. There are 22 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 K94200 alloy and the bottom bar is SAE-AISI 4320 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 190 |
| Elongation at Break, % | 5.0 to 32 | |
| 21 to 29 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 54 | |
| 73 |
| Shear Strength, MPa | 330 to 410 | |
| 370 to 500 |
| Tensile Strength: Ultimate (UTS), MPa | 500 to 710 | |
| 570 to 790 |
| Tensile Strength: Yield (Proof), MPa | 270 to 650 | |
| 430 to 460 |
Thermal Properties
| Melting Onset (Solidus), °C | 1440 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 500 | |
| 470 |
| Thermal Conductivity, W/m-K | 15 | |
| 46 |
| Thermal Expansion, µm/m-K | 5.0 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.7 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.0 | |
| 8.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.2 | |
| 7.9 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 35 to 130 | |
| 140 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 to 1460 | |
| 480 to 560 |
| Stiffness to Weight: Axial, points | 9.8 | |
| 13 |
| Stiffness to Weight: Bending, points | 21 | |
| 24 |
| Strength to Weight: Axial, points | 17 to 24 | |
| 20 to 28 |
| Strength to Weight: Bending, points | 17 to 22 | |
| 19 to 24 |
| Thermal Diffusivity, mm2/s | 3.7 | |
| 13 |
| Thermal Shock Resistance, points | 49 to 70 | |
| 19 to 27 |