AISI 201L Stainless Steel vs. AISI 204 Stainless Steel
Both AISI 201L stainless steel and AISI 204 stainless steel are iron alloys. They have a very high 97% 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 204 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 320 | |
| 210 to 330 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 22 to 46 | |
| 23 to 39 |
| Fatigue Strength, MPa | 270 to 530 | |
| 320 to 720 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 77 |
| Shear Strength, MPa | 520 to 660 | |
| 500 to 700 |
| Tensile Strength: Ultimate (UTS), MPa | 740 to 1040 | |
| 730 to 1100 |
| Tensile Strength: Yield (Proof), MPa | 290 to 790 | |
| 380 to 1080 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 410 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 880 | |
| 850 |
| 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 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 10 |
| Density, g/cm3 | 7.7 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.4 |
| Embodied Energy, MJ/kg | 38 | |
| 35 |
| Embodied Water, L/kg | 140 | |
| 130 |
Common Calculations
| PREN (Pitting Resistance) | 19 | |
| 20 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 210 to 300 | |
| 240 to 250 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 220 to 1570 | |
| 360 to 2940 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 27 to 37 | |
| 27 to 40 |
| Strength to Weight: Bending, points | 24 to 30 | |
| 24 to 31 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 4.1 |
| Thermal Shock Resistance, points | 16 to 23 | |
| 16 to 24 |
Alloy Composition
| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.030 |
| Chromium (Cr), % | 16 to 18 | |
| 15 to 17 |
| Iron (Fe), % | 67.9 to 75 | |
| 69.6 to 76.4 |
| Manganese (Mn), % | 5.5 to 7.5 | |
| 7.0 to 9.0 |
| Nickel (Ni), % | 3.5 to 5.5 | |
| 1.5 to 3.0 |
| Nitrogen (N), % | 0 to 0.25 | |
| 0.15 to 0.3 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |