EN 1.4571 Stainless Steel vs. AISI 201 Stainless Steel
Both EN 1.4571 stainless steel and AISI 201 stainless steel are iron alloys. They have 89% of their average alloy composition in common.
For each property being compared, the top bar is EN 1.4571 stainless steel and the bottom bar is AISI 201 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 270 | |
| 200 to 440 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 14 to 40 | |
| 4.6 to 51 |
| Fatigue Strength, MPa | 200 to 330 | |
| 280 to 600 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 78 | |
| 77 |
| Shear Strength, MPa | 410 to 550 | |
| 450 to 840 |
| Tensile Strength: Ultimate (UTS), MPa | 600 to 900 | |
| 650 to 1450 |
| Tensile Strength: Yield (Proof), MPa | 230 to 570 | |
| 300 to 1080 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 480 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 950 | |
| 880 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1410 |
| Melting Onset (Solidus), °C | 1400 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 15 | |
| 15 |
| Thermal Expansion, µm/m-K | 17 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 2.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.6 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 19 | |
| 12 |
| Density, g/cm3 | 7.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 3.9 | |
| 2.6 |
| Embodied Energy, MJ/kg | 54 | |
| 38 |
| Embodied Water, L/kg | 150 | |
| 140 |
Common Calculations
| PREN (Pitting Resistance) | 25 | |
| 19 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 190 | |
| 61 to 340 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 820 | |
| 230 to 2970 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 21 to 32 | |
| 23 to 52 |
| Strength to Weight: Bending, points | 20 to 26 | |
| 22 to 37 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 4.0 |
| Thermal Shock Resistance, points | 13 to 20 | |
| 14 to 32 |
Alloy Composition
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.15 |
| Chromium (Cr), % | 16.5 to 18.5 | |
| 16 to 18 |
| Iron (Fe), % | 61.7 to 71 | |
| 67.5 to 75 |
| Manganese (Mn), % | 0 to 2.0 | |
| 5.5 to 7.5 |
| Molybdenum (Mo), % | 2.0 to 2.5 | |
| 0 |
| Nickel (Ni), % | 10.5 to 13.5 | |
| 3.5 to 5.5 |
| Nitrogen (N), % | 0 | |
| 0 to 0.25 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.060 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.030 |
| Titanium (Ti), % | 0 to 0.7 | |
| 0 |