S66286 Stainless Steel vs. SAE-AISI 1140 Steel
Both S66286 stainless steel and SAE-AISI 1140 steel are iron alloys. They have 55% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is S66286 stainless steel and the bottom bar is SAE-AISI 1140 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 17 to 40 | |
| 14 to 18 |
| Fatigue Strength, MPa | 240 to 410 | |
| 230 to 370 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 75 | |
| 72 |
| Shear Strength, MPa | 420 to 630 | |
| 370 to 420 |
| Tensile Strength: Ultimate (UTS), MPa | 620 to 1020 | |
| 600 to 700 |
| Tensile Strength: Yield (Proof), MPa | 280 to 670 | |
| 340 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 920 | |
| 400 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1460 |
| Melting Onset (Solidus), °C | 1370 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 15 | |
| 51 |
| Thermal Expansion, µm/m-K | 17 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.9 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.2 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 26 | |
| 1.8 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 6.0 | |
| 1.4 |
| Embodied Energy, MJ/kg | 87 | |
| 18 |
| Embodied Water, L/kg | 170 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 150 to 200 | |
| 89 to 93 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 190 to 1150 | |
| 310 to 870 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 22 to 36 | |
| 21 to 25 |
| Strength to Weight: Bending, points | 20 to 28 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 14 |
| Thermal Shock Resistance, points | 13 to 22 | |
| 18 to 21 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.35 | |
| 0 |
| Boron (B), % | 0.0010 to 0.010 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0.37 to 0.44 |
| Chromium (Cr), % | 13.5 to 16 | |
| 0 |
| Iron (Fe), % | 49.1 to 59.5 | |
| 98.4 to 98.9 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0.7 to 1.0 |
| Molybdenum (Mo), % | 1.0 to 1.5 | |
| 0 |
| Nickel (Ni), % | 24 to 27 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0.080 to 0.13 |
| Titanium (Ti), % | 1.9 to 2.4 | |
| 0 |
| Vanadium (V), % | 0.1 to 0.5 | |
| 0 |