AISI 201L Stainless Steel vs. AISI 304LN Stainless Steel
Both AISI 201L stainless steel and AISI 304LN stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common.
For each property being compared, the top bar is AISI 201L stainless steel and the bottom bar is AISI 304LN stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 320 | |
| 190 to 350 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 22 to 46 | |
| 7.8 to 46 |
| Fatigue Strength, MPa | 270 to 530 | |
| 200 to 440 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 77 |
| Shear Strength, MPa | 520 to 660 | |
| 400 to 680 |
| Tensile Strength: Ultimate (UTS), MPa | 740 to 1040 | |
| 580 to 1160 |
| Tensile Strength: Yield (Proof), MPa | 290 to 790 | |
| 230 to 870 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 290 |
| Maximum Temperature: Corrosion, °C | 410 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 880 | |
| 960 |
| Melting Completion (Liquidus), °C | 1410 | |
| 1420 |
| Melting Onset (Solidus), °C | 1370 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 15 | |
| 15 |
| Thermal Expansion, µm/m-K | 17 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 16 |
| Density, g/cm3 | 7.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 3.1 |
| Embodied Energy, MJ/kg | 38 | |
| 44 |
| Embodied Water, L/kg | 140 | |
| 150 |
Common Calculations
| PREN (Pitting Resistance) | 19 | |
| 21 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 210 to 300 | |
| 83 to 270 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 220 to 1570 | |
| 140 to 1900 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 27 to 37 | |
| 21 to 41 |
| Strength to Weight: Bending, points | 24 to 30 | |
| 20 to 31 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 4.0 |
| Thermal Shock Resistance, points | 16 to 23 | |
| 13 to 26 |
Alloy Composition
| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.030 |
| Chromium (Cr), % | 16 to 18 | |
| 18 to 20 |
| Iron (Fe), % | 67.9 to 75 | |
| 65 to 73.9 |
| Manganese (Mn), % | 5.5 to 7.5 | |
| 0 to 2.0 |
| Nickel (Ni), % | 3.5 to 5.5 | |
| 8.0 to 12 |
| Nitrogen (N), % | 0 to 0.25 | |
| 0.1 to 0.16 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |