EN 1.5662 Steel vs. EN 1.7231 Steel
Both EN 1.5662 steel and EN 1.7231 steel are iron alloys. They have a moderately high 91% 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 EN 1.7231 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 220 to 230 | |
| 240 to 280 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 20 | |
| 11 to 12 |
| Fatigue Strength, MPa | 380 to 450 | |
| 360 to 500 |
| Impact Strength: V-Notched Charpy, J | 91 to 130 | |
| 28 to 30 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 740 to 750 | |
| 790 to 930 |
| Tensile Strength: Yield (Proof), MPa | 550 to 660 | |
| 570 to 800 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 430 | |
| 420 |
| 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 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.8 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.5 | |
| 2.5 |
| Density, g/cm3 | 8.0 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.3 | |
| 1.5 |
| Embodied Energy, MJ/kg | 31 | |
| 20 |
| Embodied Water, L/kg | 63 | |
| 51 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 150 | |
| 87 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 810 to 1150 | |
| 870 to 1700 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 26 | |
| 28 to 33 |
| Strength to Weight: Bending, points | 23 | |
| 24 to 27 |
| Thermal Shock Resistance, points | 22 | |
| 23 to 27 |
Alloy Composition
| Carbon (C), % | 0 to 0.1 | |
| 0.38 to 0.45 |
| Chromium (Cr), % | 0 | |
| 0.8 to 1.2 |
| Iron (Fe), % | 88.6 to 91.2 | |
| 96.4 to 98.1 |
| Manganese (Mn), % | 0.3 to 0.8 | |
| 0.6 to 1.0 |
| Molybdenum (Mo), % | 0 to 0.1 | |
| 0.15 to 0.3 |
| Nickel (Ni), % | 8.5 to 10 | |
| 0 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.35 | |
| 0 to 0.6 |
| Sulfur (S), % | 0 to 0.0050 | |
| 0 to 0.030 |
| Vanadium (V), % | 0 to 0.050 | |
| 0 |