AISI 201 Stainless Steel vs. SAE-AISI 4620 Steel
Both AISI 201 stainless steel and SAE-AISI 4620 steel are iron alloys. They have 74% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is AISI 201 stainless steel and the bottom bar is SAE-AISI 4620 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 to 440 | |
| 150 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 4.6 to 51 | |
| 16 to 27 |
| Fatigue Strength, MPa | 280 to 600 | |
| 260 to 360 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 73 |
| Shear Strength, MPa | 450 to 840 | |
| 320 to 420 |
| Tensile Strength: Ultimate (UTS), MPa | 650 to 1450 | |
| 490 to 680 |
| Tensile Strength: Yield (Proof), MPa | 300 to 1080 | |
| 350 to 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 880 | |
| 410 |
| Melting Completion (Liquidus), °C | 1410 | |
| 1460 |
| Melting Onset (Solidus), °C | 1370 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 15 | |
| 47 |
| Thermal Expansion, µm/m-K | 17 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.5 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 3.2 |
| Density, g/cm3 | 7.7 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 1.6 |
| Embodied Energy, MJ/kg | 38 | |
| 22 |
| Embodied Water, L/kg | 140 | |
| 50 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 61 to 340 | |
| 100 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 to 2970 | |
| 330 to 800 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 23 to 52 | |
| 17 to 24 |
| Strength to Weight: Bending, points | 22 to 37 | |
| 18 to 22 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 13 |
| Thermal Shock Resistance, points | 14 to 32 | |
| 15 to 20 |
Alloy Composition
| Carbon (C), % | 0 to 0.15 | |
| 0.17 to 0.22 |
| Chromium (Cr), % | 16 to 18 | |
| 0 |
| Iron (Fe), % | 67.5 to 75 | |
| 96.4 to 97.4 |
| Manganese (Mn), % | 5.5 to 7.5 | |
| 0.45 to 0.65 |
| Molybdenum (Mo), % | 0 | |
| 0.2 to 0.3 |
| Nickel (Ni), % | 3.5 to 5.5 | |
| 1.7 to 2.0 |
| Nitrogen (N), % | 0 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 to 0.060 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 1.0 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.040 |