SAE-AISI 1078 Steel vs. K94200 Alloy
Both SAE-AISI 1078 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 SAE-AISI 1078 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 14 | |
| 5.0 to 32 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 72 | |
| 54 |
| Shear Strength, MPa | 440 to 470 | |
| 330 to 410 |
| Tensile Strength: Ultimate (UTS), MPa | 730 to 780 | |
| 500 to 710 |
| Tensile Strength: Yield (Proof), MPa | 430 to 570 | |
| 270 to 650 |
Thermal Properties
| Melting Onset (Solidus), °C | 1420 | |
| 1440 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 500 |
| Thermal Conductivity, W/m-K | 49 | |
| 15 |
| Thermal Expansion, µm/m-K | 11 | |
| 5.0 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 2.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 | |
| 3.0 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 8.2 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 77 to 90 | |
| 35 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 490 to 860 | |
| 250 to 1460 |
| Stiffness to Weight: Axial, points | 13 | |
| 9.8 |
| Stiffness to Weight: Bending, points | 24 | |
| 21 |
| Strength to Weight: Axial, points | 26 to 28 | |
| 17 to 24 |
| Strength to Weight: Bending, points | 23 to 24 | |
| 17 to 22 |
| Thermal Diffusivity, mm2/s | 13 | |
| 3.7 |
| Thermal Shock Resistance, points | 25 to 26 | |
| 49 to 70 |