Annealed K94200 vs. Annealed SAE-AISI P20
Both annealed K94200 and annealed SAE-AISI P20 are iron alloys. Both are furnished in the annealed condition. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is annealed K94200 and the bottom bar is annealed SAE-AISI P20.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 130 | |
| 160 |
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 190 |
| Elongation at Break, % | 32 | |
| 23 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 54 | |
| 73 |
| Shear Strength, MPa | 330 | |
| 340 |
| Tensile Strength: Ultimate (UTS), MPa | 500 | |
| 540 |
| Tensile Strength: Yield (Proof), MPa | 270 | |
| 290 |
Thermal Properties
| Melting Onset (Solidus), °C | 1440 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 500 | |
| 470 |
| Thermal Conductivity, W/m-K | 15 | |
| 45 |
| Thermal Expansion, µm/m-K | 5.0 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.7 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.0 | |
| 8.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.2 | |
| 7.8 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 | |
| 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 | |
| 230 |
| Stiffness to Weight: Axial, points | 9.8 | |
| 13 |
| Stiffness to Weight: Bending, points | 21 | |
| 24 |
| Strength to Weight: Axial, points | 17 | |
| 19 |
| Strength to Weight: Bending, points | 17 | |
| 19 |
| Thermal Diffusivity, mm2/s | 3.7 | |
| 12 |
| Thermal Shock Resistance, points | 49 | |
| 18 |