AISI 201L Stainless Steel vs. SAE-AISI 1144 Steel
Both AISI 201L stainless steel and SAE-AISI 1144 steel are iron alloys. They have 73% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is AISI 201L stainless steel and the bottom bar is SAE-AISI 1144 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 320 | |
| 220 to 230 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 22 to 46 | |
| 11 to 17 |
| Fatigue Strength, MPa | 270 to 530 | |
| 280 to 430 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 72 |
| Shear Strength, MPa | 520 to 660 | |
| 460 to 510 |
| Tensile Strength: Ultimate (UTS), MPa | 740 to 1040 | |
| 750 to 840 |
| Tensile Strength: Yield (Proof), MPa | 290 to 790 | |
| 420 to 690 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 880 | |
| 400 |
| Melting Completion (Liquidus), °C | 1410 | |
| 1450 |
| Melting Onset (Solidus), °C | 1370 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 15 | |
| 51 |
| Thermal Expansion, µm/m-K | 17 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 8.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 1.9 |
| Density, g/cm3 | 7.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 1.4 |
| Embodied Energy, MJ/kg | 38 | |
| 19 |
| Embodied Water, L/kg | 140 | |
| 47 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 210 to 300 | |
| 91 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 220 to 1570 | |
| 480 to 1290 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 27 to 37 | |
| 27 to 30 |
| Strength to Weight: Bending, points | 24 to 30 | |
| 23 to 25 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 14 |
| Thermal Shock Resistance, points | 16 to 23 | |
| 22 to 24 |
Alloy Composition
| Carbon (C), % | 0 to 0.030 | |
| 0.4 to 0.48 |
| Chromium (Cr), % | 16 to 18 | |
| 0 |
| Iron (Fe), % | 67.9 to 75 | |
| 97.5 to 98 |
| Manganese (Mn), % | 5.5 to 7.5 | |
| 1.4 to 1.7 |
| Nickel (Ni), % | 3.5 to 5.5 | |
| 0 |
| Nitrogen (N), % | 0 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0.24 to 0.33 |