AISI 201LN Stainless Steel vs. EN 1.4371 Stainless Steel
Both AISI 201LN stainless steel and EN 1.4371 stainless steel are iron alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is AISI 201LN stainless steel and the bottom bar is EN 1.4371 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 210 to 320 | |
| 220 to 230 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 25 to 51 | |
| 45 to 51 |
| Fatigue Strength, MPa | 340 to 540 | |
| 290 to 340 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 77 |
| Shear Strength, MPa | 530 to 680 | |
| 520 to 540 |
| Tensile Strength: Ultimate (UTS), MPa | 740 to 1060 | |
| 740 to 750 |
| Tensile Strength: Yield (Proof), MPa | 350 to 770 | |
| 320 to 340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 410 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 880 | |
| 880 |
| Melting Completion (Liquidus), °C | 1410 | |
| 1410 |
| Melting Onset (Solidus), °C | 1370 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 15 | |
| 15 |
| Thermal Expansion, µm/m-K | 17 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 2.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 12 |
| Density, g/cm3 | 7.7 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.6 |
| Embodied Energy, MJ/kg | 38 | |
| 38 |
| Embodied Water, L/kg | 140 | |
| 140 |
Common Calculations
| PREN (Pitting Resistance) | 20 | |
| 20 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 230 to 310 | |
| 270 to 310 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 310 to 1520 | |
| 250 to 300 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 27 to 38 | |
| 27 |
| Strength to Weight: Bending, points | 24 to 30 | |
| 24 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 4.0 |
| Thermal Shock Resistance, points | 16 to 23 | |
| 16 |
Alloy Composition
| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.030 |
| Chromium (Cr), % | 16 to 17.5 | |
| 16 to 17.5 |
| Copper (Cu), % | 0 to 1.0 | |
| 0 to 1.0 |
| Iron (Fe), % | 67.9 to 73.5 | |
| 66.7 to 74.4 |
| Manganese (Mn), % | 6.4 to 7.5 | |
| 6.0 to 8.0 |
| Nickel (Ni), % | 4.0 to 5.0 | |
| 3.5 to 5.5 |
| Nitrogen (N), % | 0.1 to 0.25 | |
| 0.15 to 0.25 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.015 |