AISI 414 Stainless Steel vs. SAE-AISI 1140 Steel
Both AISI 414 stainless steel and SAE-AISI 1140 steel are iron alloys. They have 85% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is AISI 414 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 | |
| 14 to 18 |
| Fatigue Strength, MPa | 430 to 480 | |
| 230 to 370 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Reduction in Area, % | 50 | |
| 39 to 46 |
| Shear Modulus, GPa | 76 | |
| 72 |
| Shear Strength, MPa | 550 to 590 | |
| 370 to 420 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 960 | |
| 600 to 700 |
| Tensile Strength: Yield (Proof), MPa | 700 to 790 | |
| 340 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 750 | |
| 400 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1460 |
| Melting Onset (Solidus), °C | 1400 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 25 | |
| 51 |
| Thermal Expansion, µm/m-K | 10 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.5 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 8.0 | |
| 1.8 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.1 | |
| 1.4 |
| Embodied Energy, MJ/kg | 29 | |
| 18 |
| Embodied Water, L/kg | 100 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 150 | |
| 89 to 93 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1260 to 1590 | |
| 310 to 870 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 32 to 34 | |
| 21 to 25 |
| Strength to Weight: Bending, points | 27 to 28 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 6.7 | |
| 14 |
| Thermal Shock Resistance, points | 33 to 35 | |
| 18 to 21 |
Alloy Composition
| Carbon (C), % | 0 to 0.15 | |
| 0.37 to 0.44 |
| Chromium (Cr), % | 11.5 to 13.5 | |
| 0 |
| Iron (Fe), % | 81.8 to 87.3 | |
| 98.4 to 98.9 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.7 to 1.0 |
| Nickel (Ni), % | 1.3 to 2.5 | |
| 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 |