Austempered Cast Iron vs. K94200 Alloy
Both austempered cast iron and K94200 alloy are iron alloys. There are 19 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 austempered cast iron and the bottom bar is K94200 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 140 |
| Elongation at Break, % | 1.1 to 13 | |
| 5.0 to 32 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 62 to 69 | |
| 54 |
| Tensile Strength: Ultimate (UTS), MPa | 860 to 1800 | |
| 500 to 710 |
| Tensile Strength: Yield (Proof), MPa | 560 to 1460 | |
| 270 to 650 |
Thermal Properties
| Melting Onset (Solidus), °C | 1340 | |
| 1440 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 500 |
| Thermal Conductivity, W/m-K | 42 | |
| 15 |
| Thermal Expansion, µm/m-K | 13 | |
| 5.0 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.5 | |
| 8.2 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 19 to 95 | |
| 35 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 880 to 3970 | |
| 250 to 1460 |
| Stiffness to Weight: Axial, points | 13 | |
| 9.8 |
| Stiffness to Weight: Bending, points | 25 | |
| 21 |
| Strength to Weight: Axial, points | 32 to 66 | |
| 17 to 24 |
| Strength to Weight: Bending, points | 27 to 44 | |
| 17 to 22 |
| Thermal Diffusivity, mm2/s | 11 | |
| 3.7 |
| Thermal Shock Resistance, points | 25 to 53 | |
| 49 to 70 |