AISI 310S Stainless Steel vs. AISI 201 Stainless Steel
Both AISI 310S stainless steel and AISI 201 stainless steel are iron alloys. They have 76% of their average alloy composition in common.
For each property being compared, the top bar is AISI 310S stainless steel and the bottom bar is AISI 201 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 to 210 | |
| 200 to 440 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 34 to 44 | |
| 4.6 to 51 |
| Fatigue Strength, MPa | 250 to 280 | |
| 280 to 600 |
| Poisson's Ratio | 0.27 | |
| 0.28 |
| Shear Modulus, GPa | 79 | |
| 77 |
| Shear Strength, MPa | 420 to 470 | |
| 450 to 840 |
| Tensile Strength: Ultimate (UTS), MPa | 600 to 710 | |
| 650 to 1450 |
| Tensile Strength: Yield (Proof), MPa | 270 to 350 | |
| 300 to 1080 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 450 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 1100 | |
| 880 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1410 |
| Melting Onset (Solidus), °C | 1400 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 16 | |
| 15 |
| Thermal Expansion, µm/m-K | 16 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.0 | |
| 2.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.3 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 25 | |
| 12 |
| Density, g/cm3 | 7.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 4.3 | |
| 2.6 |
| Embodied Energy, MJ/kg | 61 | |
| 38 |
| Embodied Water, L/kg | 190 | |
| 140 |
Common Calculations
| PREN (Pitting Resistance) | 25 | |
| 19 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 200 to 220 | |
| 61 to 340 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 190 to 310 | |
| 230 to 2970 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 21 to 25 | |
| 23 to 52 |
| Strength to Weight: Bending, points | 20 to 22 | |
| 22 to 37 |
| Thermal Diffusivity, mm2/s | 4.1 | |
| 4.0 |
| Thermal Shock Resistance, points | 14 to 16 | |
| 14 to 32 |
Alloy Composition
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.15 |
| Chromium (Cr), % | 24 to 26 | |
| 16 to 18 |
| Iron (Fe), % | 48.3 to 57 | |
| 67.5 to 75 |
| Manganese (Mn), % | 0 to 2.0 | |
| 5.5 to 7.5 |
| Nickel (Ni), % | 19 to 22 | |
| 3.5 to 5.5 |
| Nitrogen (N), % | 0 | |
| 0 to 0.25 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.060 |
| Silicon (Si), % | 0 to 1.5 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |