AISI 317 Stainless Steel vs. AISI 201L Stainless Steel
Both AISI 317 stainless steel and AISI 201L stainless steel are iron alloys. They have 86% of their average alloy composition in common.
For each property being compared, the top bar is AISI 317 stainless steel and the bottom bar is AISI 201L stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 to 220 | |
| 190 to 320 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 35 to 55 | |
| 22 to 46 |
| Fatigue Strength, MPa | 250 to 330 | |
| 270 to 530 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 79 | |
| 77 |
| Shear Strength, MPa | 420 to 470 | |
| 520 to 660 |
| Tensile Strength: Ultimate (UTS), MPa | 580 to 710 | |
| 740 to 1040 |
| Tensile Strength: Yield (Proof), MPa | 250 to 420 | |
| 290 to 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 420 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 590 | |
| 880 |
| Melting Completion (Liquidus), °C | 1400 | |
| 1410 |
| Melting Onset (Solidus), °C | 1380 | |
| 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 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.6 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 21 | |
| 12 |
| Density, g/cm3 | 7.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 4.3 | |
| 2.6 |
| Embodied Energy, MJ/kg | 59 | |
| 38 |
| Embodied Water, L/kg | 160 | |
| 140 |
Common Calculations
| PREN (Pitting Resistance) | 31 | |
| 19 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 210 to 260 | |
| 210 to 300 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 150 to 430 | |
| 220 to 1570 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 20 to 25 | |
| 27 to 37 |
| Strength to Weight: Bending, points | 20 to 22 | |
| 24 to 30 |
| Thermal Diffusivity, mm2/s | 4.1 | |
| 4.0 |
| Thermal Shock Resistance, points | 12 to 15 | |
| 16 to 23 |
Alloy Composition
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.030 |
| Chromium (Cr), % | 18 to 20 | |
| 16 to 18 |
| Iron (Fe), % | 58 to 68 | |
| 67.9 to 75 |
| Manganese (Mn), % | 0 to 2.0 | |
| 5.5 to 7.5 |
| Molybdenum (Mo), % | 3.0 to 4.0 | |
| 0 |
| Nickel (Ni), % | 11 to 15 | |
| 3.5 to 5.5 |
| Nitrogen (N), % | 0 to 0.1 | |
| 0 to 0.25 |
| 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 |