EN 1.4313 Stainless Steel vs. SAE-AISI 1144 Steel
Both EN 1.4313 stainless steel and SAE-AISI 1144 steel are iron alloys. They have 82% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is EN 1.4313 stainless steel and the bottom bar is SAE-AISI 1144 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 12 to 17 | |
| 11 to 17 |
| Fatigue Strength, MPa | 340 to 510 | |
| 280 to 430 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 76 | |
| 72 |
| Shear Strength, MPa | 460 to 600 | |
| 460 to 510 |
| Tensile Strength: Ultimate (UTS), MPa | 750 to 1000 | |
| 750 to 840 |
| Tensile Strength: Yield (Proof), MPa | 580 to 910 | |
| 420 to 690 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 780 | |
| 400 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1450 |
| Melting Onset (Solidus), °C | 1400 | |
| 1410 |
| 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 | 2.9 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.3 | |
| 8.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 1.9 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.4 | |
| 1.4 |
| Embodied Energy, MJ/kg | 34 | |
| 19 |
| Embodied Water, L/kg | 110 | |
| 47 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 150 | |
| 91 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 870 to 2100 | |
| 480 to 1290 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 27 to 36 | |
| 27 to 30 |
| Strength to Weight: Bending, points | 23 to 28 | |
| 23 to 25 |
| Thermal Diffusivity, mm2/s | 6.7 | |
| 14 |
| Thermal Shock Resistance, points | 27 to 36 | |
| 22 to 24 |
Alloy Composition
| Carbon (C), % | 0 to 0.050 | |
| 0.4 to 0.48 |
| Chromium (Cr), % | 12 to 14 | |
| 0 |
| Iron (Fe), % | 78.5 to 84.2 | |
| 97.5 to 98 |
| Manganese (Mn), % | 0 to 1.5 | |
| 1.4 to 1.7 |
| Molybdenum (Mo), % | 0.3 to 0.7 | |
| 0 |
| Nickel (Ni), % | 3.5 to 4.5 | |
| 0 |
| Nitrogen (N), % | 0 to 0.020 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.7 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0.24 to 0.33 |