EN 1.5662 Steel vs. SAE-AISI 4340 Steel
Both EN 1.5662 steel and SAE-AISI 4340 steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 29 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 EN 1.5662 steel and the bottom bar is SAE-AISI 4340 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 220 to 230 | |
| 210 to 360 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 20 | |
| 12 to 22 |
| Fatigue Strength, MPa | 380 to 450 | |
| 330 to 740 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 460 to 470 | |
| 430 to 770 |
| Tensile Strength: Ultimate (UTS), MPa | 740 to 750 | |
| 690 to 1280 |
| Tensile Strength: Yield (Proof), MPa | 550 to 660 | |
| 470 to 1150 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 430 | |
| 430 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1410 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.7 | |
| 7.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.8 | |
| 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.5 | |
| 3.5 |
| Density, g/cm3 | 8.0 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.3 | |
| 1.7 |
| Embodied Energy, MJ/kg | 31 | |
| 22 |
| Embodied Water, L/kg | 63 | |
| 53 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 150 | |
| 79 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 810 to 1150 | |
| 590 to 3490 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 26 | |
| 24 to 45 |
| Strength to Weight: Bending, points | 23 | |
| 22 to 33 |
| Thermal Shock Resistance, points | 22 | |
| 20 to 38 |
Alloy Composition
| Carbon (C), % | 0 to 0.1 | |
| 0.38 to 0.43 |
| Chromium (Cr), % | 0 | |
| 0.7 to 0.9 |
| Iron (Fe), % | 88.6 to 91.2 | |
| 95.1 to 96.3 |
| Manganese (Mn), % | 0.3 to 0.8 | |
| 0.6 to 0.8 |
| Molybdenum (Mo), % | 0 to 0.1 | |
| 0.2 to 0.3 |
| Nickel (Ni), % | 8.5 to 10 | |
| 1.7 to 2.0 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 0.35 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 to 0.0050 | |
| 0 to 0.040 |
| Vanadium (V), % | 0 to 0.050 | |
| 0 |