EN 1.7221 Steel vs. K93600 Alloy
Both EN 1.7221 steel and K93600 alloy are iron alloys. There are 20 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 EN 1.7221 steel and the bottom bar is K93600 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 140 |
| Elongation at Break, % | 11 to 17 | |
| 5.0 to 35 |
| Tensile Strength: Ultimate (UTS), MPa | 650 to 780 | |
| 480 to 810 |
| Tensile Strength: Yield (Proof), MPa | 430 to 630 | |
| 280 to 750 |
Thermal Properties
| Maximum Temperature: Mechanical, °C | 420 | |
| 440 |
| Melting Onset (Solidus), °C | 1420 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 520 |
| Thermal Conductivity, W/m-K | 44 | |
| 13 |
| Thermal Expansion, µm/m-K | 13 | |
| 7.3 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 2.4 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 8.1 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 83 to 98 | |
| 21 to 280 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 490 to 1050 | |
| 280 to 2050 |
| Stiffness to Weight: Axial, points | 13 | |
| 9.4 |
| Stiffness to Weight: Bending, points | 24 | |
| 21 |
| Strength to Weight: Axial, points | 23 to 27 | |
| 16 to 28 |
| Strength to Weight: Bending, points | 21 to 24 | |
| 17 to 24 |
| Thermal Diffusivity, mm2/s | 12 | |
| 3.1 |
| Thermal Shock Resistance, points | 19 to 23 | |
| 34 to 57 |