AISI 422 Stainless Steel vs. S45500 Stainless Steel
Both AISI 422 stainless steel and S45500 stainless steel are iron alloys. They have 89% 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 S45500 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 260 to 330 | |
| 280 to 500 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 15 to 17 | |
| 3.4 to 11 |
| Fatigue Strength, MPa | 410 to 500 | |
| 570 to 890 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Reduction in Area, % | 34 to 40 | |
| 34 to 45 |
| Rockwell C Hardness | 21 | |
| 32 to 54 |
| Shear Modulus, GPa | 76 | |
| 75 |
| Shear Strength, MPa | 560 to 660 | |
| 790 to 1090 |
| Tensile Strength: Ultimate (UTS), MPa | 910 to 1080 | |
| 1370 to 1850 |
| Tensile Strength: Yield (Proof), MPa | 670 to 870 | |
| 1240 to 1700 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 270 |
| Maximum Temperature: Corrosion, °C | 380 | |
| 620 |
| Maximum Temperature: Mechanical, °C | 650 | |
| 760 |
| Melting Completion (Liquidus), °C | 1480 | |
| 1440 |
| Melting Onset (Solidus), °C | 1470 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Expansion, µm/m-K | 10 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 17 |
| Density, g/cm3 | 7.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 3.1 | |
| 3.8 |
| Embodied Energy, MJ/kg | 44 | |
| 57 |
| Embodied Water, L/kg | 100 | |
| 120 |
Common Calculations
| PREN (Pitting Resistance) | 17 | |
| 13 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 150 | |
| 45 to 190 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 32 to 38 | |
| 48 to 65 |
| Strength to Weight: Bending, points | 26 to 30 | |
| 35 to 42 |
| Thermal Shock Resistance, points | 33 to 39 | |
| 48 to 64 |
Alloy Composition
| Carbon (C), % | 0.2 to 0.25 | |
| 0 to 0.050 |
| Chromium (Cr), % | 11 to 12.5 | |
| 11 to 12.5 |
| Copper (Cu), % | 0 | |
| 1.5 to 2.5 |
| Iron (Fe), % | 81.9 to 85.8 | |
| 71.5 to 79.2 |
| Manganese (Mn), % | 0.5 to 1.0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0.9 to 1.3 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0.5 to 1.0 | |
| 7.5 to 9.5 |
| Niobium (Nb), % | 0 | |
| 0 to 0.5 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.030 |
| Tantalum (Ta), % | 0 | |
| 0 to 0.5 |
| Titanium (Ti), % | 0 | |
| 0.8 to 1.4 |
| Tungsten (W), % | 0.9 to 1.3 | |
| 0 |
| Vanadium (V), % | 0.2 to 0.3 | |
| 0 |