Hot Finished AISI 310 vs. Hot Finished AISI 310S
Both hot finished AISI 310 and hot finished AISI 310S are iron alloys. Both are furnished in the hot worked condition. Their average alloy composition is basically identical.
For each property being compared, the top bar is hot finished AISI 310 and the bottom bar is hot finished AISI 310S.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 | |
| 170 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 45 | |
| 44 |
| Fatigue Strength, MPa | 240 | |
| 250 |
| Poisson's Ratio | 0.27 | |
| 0.27 |
| Rockwell B Hardness | 82 | |
| 77 |
| Shear Modulus, GPa | 78 | |
| 79 |
| Shear Strength, MPa | 420 | |
| 420 |
| Tensile Strength: Ultimate (UTS), MPa | 600 | |
| 600 |
| Tensile Strength: Yield (Proof), MPa | 260 | |
| 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 310 |
| Maximum Temperature: Corrosion, °C | 440 | |
| 450 |
| Maximum Temperature: Mechanical, °C | 1040 | |
| 1100 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1450 |
| Melting Onset (Solidus), °C | 1400 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 15 | |
| 16 |
| Thermal Expansion, µm/m-K | 15 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 2.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 2.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 25 | |
| 25 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 4.3 | |
| 4.3 |
| Embodied Energy, MJ/kg | 61 | |
| 61 |
| Embodied Water, L/kg | 190 | |
| 190 |
Common Calculations
| PREN (Pitting Resistance) | 25 | |
| 25 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 220 | |
| 220 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 | |
| 190 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 21 | |
| 21 |
| Strength to Weight: Bending, points | 20 | |
| 20 |
| Thermal Diffusivity, mm2/s | 3.9 | |
| 4.1 |
| Thermal Shock Resistance, points | 14 | |
| 14 |
Alloy Composition
| Carbon (C), % | 0 to 0.25 | |
| 0 to 0.080 |
| Chromium (Cr), % | 24 to 26 | |
| 24 to 26 |
| Iron (Fe), % | 48.2 to 57 | |
| 48.3 to 57 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 2.0 |
| Nickel (Ni), % | 19 to 22 | |
| 19 to 22 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 1.5 | |
| 0 to 1.5 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |