K94200 Alloy vs. EN 1.7725 Steel
Both K94200 alloy and EN 1.7725 steel 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 K94200 alloy and the bottom bar is EN 1.7725 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 190 |
| Elongation at Break, % | 5.0 to 32 | |
| 14 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 54 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 500 to 710 | |
| 830 to 1000 |
| Tensile Strength: Yield (Proof), MPa | 270 to 650 | |
| 610 to 860 |
Thermal Properties
| Melting Onset (Solidus), °C | 1440 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 500 | |
| 470 |
| Thermal Conductivity, W/m-K | 15 | |
| 39 |
| Thermal Expansion, µm/m-K | 5.0 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.7 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.0 | |
| 8.6 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.2 | |
| 7.8 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 35 to 130 | |
| 110 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 to 1460 | |
| 980 to 1940 |
| Stiffness to Weight: Axial, points | 9.8 | |
| 13 |
| Stiffness to Weight: Bending, points | 21 | |
| 24 |
| Strength to Weight: Axial, points | 17 to 24 | |
| 29 to 35 |
| Strength to Weight: Bending, points | 17 to 22 | |
| 25 to 28 |
| Thermal Diffusivity, mm2/s | 3.7 | |
| 11 |
| Thermal Shock Resistance, points | 49 to 70 | |
| 24 to 29 |