AISI 309 Stainless Steel vs. AISI 301L Stainless Steel
Both AISI 309 stainless steel and AISI 301L stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is AISI 309 stainless steel and the bottom bar is AISI 301L stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 to 210 | |
| 210 to 320 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 34 to 47 | |
| 22 to 50 |
| Fatigue Strength, MPa | 250 to 280 | |
| 240 to 530 |
| Poisson's Ratio | 0.27 | |
| 0.28 |
| Shear Modulus, GPa | 78 | |
| 77 |
| Shear Strength, MPa | 420 to 470 | |
| 440 to 660 |
| Tensile Strength: Ultimate (UTS), MPa | 600 to 710 | |
| 620 to 1040 |
| Tensile Strength: Yield (Proof), MPa | 260 to 350 | |
| 250 to 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 440 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 980 | |
| 890 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1430 |
| Melting Onset (Solidus), °C | 1400 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 16 | |
| 15 |
| Thermal Expansion, µm/m-K | 15 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 19 | |
| 13 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.6 | |
| 2.7 |
| Embodied Energy, MJ/kg | 51 | |
| 39 |
| Embodied Water, L/kg | 170 | |
| 130 |
Common Calculations
| PREN (Pitting Resistance) | 23 | |
| 19 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 200 to 230 | |
| 210 to 300 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 to 310 | |
| 160 to 1580 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 21 to 25 | |
| 22 to 37 |
| Strength to Weight: Bending, points | 20 to 23 | |
| 21 to 29 |
| Thermal Diffusivity, mm2/s | 4.3 | |
| 4.1 |
| Thermal Shock Resistance, points | 14 to 16 | |
| 14 to 24 |
Alloy Composition
| Carbon (C), % | 0 to 0.2 | |
| 0 to 0.030 |
| Chromium (Cr), % | 22 to 24 | |
| 16 to 18 |
| Iron (Fe), % | 58 to 66 | |
| 70.7 to 78 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 2.0 |
| Nickel (Ni), % | 12 to 15 | |
| 6.0 to 8.0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.2 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |