S17400 Stainless Steel vs. K94200 Alloy
Both S17400 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 (15, in this case) are not shown.
For each property being compared, the top bar is S17400 stainless steel and the bottom bar is K94200 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 140 |
| Elongation at Break, % | 11 to 21 | |
| 5.0 to 32 |
| Poisson's Ratio | 0.28 | |
| 0.34 |
| Shear Modulus, GPa | 75 | |
| 54 |
| Shear Strength, MPa | 570 to 830 | |
| 330 to 410 |
| Tensile Strength: Ultimate (UTS), MPa | 910 to 1390 | |
| 500 to 710 |
| Tensile Strength: Yield (Proof), MPa | 580 to 1250 | |
| 270 to 650 |
Thermal Properties
| Melting Onset (Solidus), °C | 1400 | |
| 1440 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 500 |
| Thermal Conductivity, W/m-K | 17 | |
| 15 |
| Thermal Expansion, µm/m-K | 11 | |
| 5.0 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 2.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.6 | |
| 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 | 880 to 4060 | |
| 250 to 1460 |
| Stiffness to Weight: Axial, points | 14 | |
| 9.8 |
| Stiffness to Weight: Bending, points | 25 | |
| 21 |
| Strength to Weight: Axial, points | 32 to 49 | |
| 17 to 24 |
| Strength to Weight: Bending, points | 27 to 35 | |
| 17 to 22 |
| Thermal Diffusivity, mm2/s | 4.5 | |
| 3.7 |
| Thermal Shock Resistance, points | 30 to 46 | |
| 49 to 70 |