K94200 Alloy vs. AISI 431 Stainless Steel
Both K94200 alloy and AISI 431 stainless steel are iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is K94200 alloy and the bottom bar is AISI 431 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 200 |
| Elongation at Break, % | 5.0 to 32 | |
| 15 to 17 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 54 | |
| 77 |
| Shear Strength, MPa | 330 to 410 | |
| 550 to 840 |
| Tensile Strength: Ultimate (UTS), MPa | 500 to 710 | |
| 890 to 1380 |
| Tensile Strength: Yield (Proof), MPa | 270 to 650 | |
| 710 to 1040 |
Thermal Properties
| Melting Onset (Solidus), °C | 1440 | |
| 1450 |
| Specific Heat Capacity, J/kg-K | 500 | |
| 480 |
| Thermal Conductivity, W/m-K | 15 | |
| 26 |
| Thermal Expansion, µm/m-K | 5.0 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.7 | |
| 2.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.0 | |
| 3.0 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.2 | |
| 7.7 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 35 to 130 | |
| 140 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 to 1460 | |
| 1270 to 2770 |
| Stiffness to Weight: Axial, points | 9.8 | |
| 14 |
| Stiffness to Weight: Bending, points | 21 | |
| 25 |
| Strength to Weight: Axial, points | 17 to 24 | |
| 32 to 50 |
| Strength to Weight: Bending, points | 17 to 22 | |
| 27 to 36 |
| Thermal Diffusivity, mm2/s | 3.7 | |
| 7.0 |
| Thermal Shock Resistance, points | 49 to 70 | |
| 28 to 43 |