AISI 422 Stainless Steel vs. SAE-AISI D2 Steel
Both AISI 422 stainless steel and SAE-AISI D2 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is AISI 422 stainless steel and the bottom bar is SAE-AISI D2 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 15 to 17 | |
| 5.0 to 16 |
| Fatigue Strength, MPa | 410 to 500 | |
| 310 to 860 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 76 | |
| 75 |
| Shear Strength, MPa | 560 to 660 | |
| 460 to 1160 |
| Tensile Strength: Ultimate (UTS), MPa | 910 to 1080 | |
| 760 to 2000 |
| Tensile Strength: Yield (Proof), MPa | 670 to 870 | |
| 470 to 1510 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 270 |
| Melting Completion (Liquidus), °C | 1480 | |
| 1440 |
| Melting Onset (Solidus), °C | 1470 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 24 | |
| 31 |
| Thermal Expansion, µm/m-K | 10 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.7 | |
| 4.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 5.3 | |
| 5.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 8.0 |
| Density, g/cm3 | 7.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 3.1 | |
| 3.4 |
| Embodied Energy, MJ/kg | 44 | |
| 50 |
| Embodied Water, L/kg | 100 | |
| 100 |
Common Calculations
| PREN (Pitting Resistance) | 17 | |
| 15 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 150 | |
| 92 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1140 to 1910 | |
| 570 to 5940 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 32 to 38 | |
| 27 to 72 |
| Strength to Weight: Bending, points | 26 to 30 | |
| 24 to 46 |
| Thermal Diffusivity, mm2/s | 6.4 | |
| 8.3 |
| Thermal Shock Resistance, points | 33 to 39 | |
| 25 to 67 |
Alloy Composition
| Carbon (C), % | 0.2 to 0.25 | |
| 1.4 to 1.6 |
| Chromium (Cr), % | 11 to 12.5 | |
| 11 to 13 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Iron (Fe), % | 81.9 to 85.8 | |
| 81.3 to 86.9 |
| Manganese (Mn), % | 0.5 to 1.0 | |
| 0 to 0.6 |
| Molybdenum (Mo), % | 0.9 to 1.3 | |
| 0.7 to 1.2 |
| Nickel (Ni), % | 0.5 to 1.0 | |
| 0 to 0.3 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.6 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.030 |
| Tungsten (W), % | 0.9 to 1.3 | |
| 0 |
| Vanadium (V), % | 0.2 to 0.3 | |
| 0 to 1.1 |