EN 1.7366 Steel vs. SAE-AISI 1144 Steel
Both EN 1.7366 steel and SAE-AISI 1144 steel are iron alloys. They have a moderately high 94% 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 EN 1.7366 steel and the bottom bar is SAE-AISI 1144 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 140 to 210 | |
| 220 to 230 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 17 to 19 | |
| 11 to 17 |
| Fatigue Strength, MPa | 160 to 320 | |
| 280 to 430 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 74 | |
| 72 |
| Shear Strength, MPa | 290 to 440 | |
| 460 to 510 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 710 | |
| 750 to 840 |
| Tensile Strength: Yield (Proof), MPa | 230 to 480 | |
| 420 to 690 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 510 | |
| 400 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1450 |
| Melting Onset (Solidus), °C | 1420 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 40 | |
| 51 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.1 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.3 | |
| 8.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 4.3 | |
| 1.9 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.7 | |
| 1.4 |
| Embodied Energy, MJ/kg | 23 | |
| 19 |
| Embodied Water, L/kg | 69 | |
| 47 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 74 to 110 | |
| 91 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 600 | |
| 480 to 1290 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 16 to 25 | |
| 27 to 30 |
| Strength to Weight: Bending, points | 17 to 23 | |
| 23 to 25 |
| Thermal Diffusivity, mm2/s | 11 | |
| 14 |
| Thermal Shock Resistance, points | 13 to 20 | |
| 22 to 24 |
Alloy Composition
| Carbon (C), % | 0 to 0.18 | |
| 0.4 to 0.48 |
| Chromium (Cr), % | 4.0 to 6.0 | |
| 0 |
| Iron (Fe), % | 91.9 to 95.3 | |
| 97.5 to 98 |
| Manganese (Mn), % | 0.3 to 0.8 | |
| 1.4 to 1.7 |
| Molybdenum (Mo), % | 0.45 to 0.65 | |
| 0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0.24 to 0.33 |