EN 1.4938 Stainless Steel vs. K94200 Alloy
Both EN 1.4938 stainless steel and K94200 alloy are iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is EN 1.4938 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, % | 16 to 17 | |
| 5.0 to 32 |
| Poisson's Ratio | 0.28 | |
| 0.34 |
| Shear Modulus, GPa | 76 | |
| 54 |
| Shear Strength, MPa | 540 to 630 | |
| 330 to 410 |
| Tensile Strength: Ultimate (UTS), MPa | 870 to 1030 | |
| 500 to 710 |
| Tensile Strength: Yield (Proof), MPa | 640 to 870 | |
| 270 to 650 |
Thermal Properties
| Melting Onset (Solidus), °C | 1420 | |
| 1440 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 500 |
| Thermal Conductivity, W/m-K | 30 | |
| 15 |
| Thermal Expansion, µm/m-K | 11 | |
| 5.0 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.9 | |
| 2.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.3 | |
| 3.0 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 8.2 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 160 | |
| 35 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1050 to 1920 | |
| 250 to 1460 |
| Stiffness to Weight: Axial, points | 14 | |
| 9.8 |
| Stiffness to Weight: Bending, points | 25 | |
| 21 |
| Strength to Weight: Axial, points | 31 to 37 | |
| 17 to 24 |
| Strength to Weight: Bending, points | 26 to 29 | |
| 17 to 22 |
| Thermal Diffusivity, mm2/s | 8.1 | |
| 3.7 |
| Thermal Shock Resistance, points | 30 to 35 | |
| 49 to 70 |