AISI 309 Stainless Steel vs. SAE-AISI 9310 Steel
Both AISI 309 stainless steel and SAE-AISI 9310 steel are iron alloys. They have 67% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is AISI 309 stainless steel and the bottom bar is SAE-AISI 9310 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 to 210 | |
| 540 to 610 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 34 to 47 | |
| 17 to 19 |
| Fatigue Strength, MPa | 250 to 280 | |
| 300 to 390 |
| Poisson's Ratio | 0.27 | |
| 0.29 |
| Rockwell B Hardness | 84 | |
| 240 to 270 |
| Shear Modulus, GPa | 78 | |
| 73 |
| Shear Strength, MPa | 420 to 470 | |
| 510 to 570 |
| Tensile Strength: Ultimate (UTS), MPa | 600 to 710 | |
| 820 to 910 |
| Tensile Strength: Yield (Proof), MPa | 260 to 350 | |
| 450 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 980 | |
| 440 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1460 |
| Melting Onset (Solidus), °C | 1400 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 16 | |
| 48 |
| Thermal Expansion, µm/m-K | 15 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 7.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 8.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 19 | |
| 4.4 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 3.6 | |
| 1.8 |
| Embodied Energy, MJ/kg | 51 | |
| 24 |
| Embodied Water, L/kg | 170 | |
| 57 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 200 to 230 | |
| 120 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 to 310 | |
| 540 to 860 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 21 to 25 | |
| 29 to 32 |
| Strength to Weight: Bending, points | 20 to 23 | |
| 25 to 27 |
| Thermal Diffusivity, mm2/s | 4.3 | |
| 13 |
| Thermal Shock Resistance, points | 14 to 16 | |
| 24 to 27 |
Alloy Composition
| Carbon (C), % | 0 to 0.2 | |
| 0.080 to 0.13 |
| Chromium (Cr), % | 22 to 24 | |
| 1.0 to 1.4 |
| Iron (Fe), % | 58 to 66 | |
| 93.8 to 95.2 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0.45 to 0.65 |
| Molybdenum (Mo), % | 0 | |
| 0.080 to 0.15 |
| Nickel (Ni), % | 12 to 15 | |
| 3.0 to 3.5 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 0.75 | |
| 0.2 to 0.35 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.012 |