AISI 440A Stainless Steel vs. K94200 Alloy
Both AISI 440A stainless steel and K94200 alloy are iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is AISI 440A stainless steel and the bottom bar is K94200 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 140 |
| Elongation at Break, % | 5.0 to 20 | |
| 5.0 to 32 |
| Poisson's Ratio | 0.28 | |
| 0.34 |
| Shear Modulus, GPa | 77 | |
| 54 |
| Shear Strength, MPa | 450 to 1040 | |
| 330 to 410 |
| Tensile Strength: Ultimate (UTS), MPa | 730 to 1790 | |
| 500 to 710 |
| Tensile Strength: Yield (Proof), MPa | 420 to 1650 | |
| 270 to 650 |
Thermal Properties
| Melting Onset (Solidus), °C | 1370 | |
| 1440 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 500 |
| Thermal Conductivity, W/m-K | 23 | |
| 15 |
| Thermal Expansion, µm/m-K | 10 | |
| 5.0 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.5 | |
| 2.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 3.0 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.7 | |
| 8.2 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 120 | |
| 35 to 130 |
| Stiffness to Weight: Axial, points | 14 | |
| 9.8 |
| Stiffness to Weight: Bending, points | 25 | |
| 21 |
| Strength to Weight: Axial, points | 26 to 65 | |
| 17 to 24 |
| Strength to Weight: Bending, points | 23 to 43 | |
| 17 to 22 |
| Thermal Diffusivity, mm2/s | 6.2 | |
| 3.7 |
| Thermal Shock Resistance, points | 26 to 65 | |
| 49 to 70 |