S21904 Stainless Steel vs. K93600 Alloy
Both S21904 stainless steel and K93600 alloy are iron alloys. There are 21 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 S21904 stainless steel and the bottom bar is K93600 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 140 |
| Elongation at Break, % | 17 to 51 | |
| 5.0 to 35 |
| Shear Strength, MPa | 510 to 620 | |
| 320 to 380 |
| Tensile Strength: Ultimate (UTS), MPa | 700 to 1000 | |
| 480 to 810 |
| Tensile Strength: Yield (Proof), MPa | 390 to 910 | |
| 280 to 750 |
Thermal Properties
| Maximum Temperature: Mechanical, °C | 980 | |
| 440 |
| Melting Onset (Solidus), °C | 1350 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 520 |
| Thermal Conductivity, W/m-K | 14 | |
| 13 |
| Thermal Expansion, µm/m-K | 17 | |
| 7.3 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.5 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 2.4 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.7 | |
| 8.1 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 160 to 310 | |
| 21 to 280 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 380 to 2070 | |
| 280 to 2050 |
| Stiffness to Weight: Axial, points | 14 | |
| 9.4 |
| Stiffness to Weight: Bending, points | 25 | |
| 21 |
| Strength to Weight: Axial, points | 25 to 36 | |
| 16 to 28 |
| Strength to Weight: Bending, points | 23 to 29 | |
| 17 to 24 |
| Thermal Diffusivity, mm2/s | 3.8 | |
| 3.1 |
| Thermal Shock Resistance, points | 15 to 21 | |
| 34 to 57 |