EN 1.7366 Steel vs. EN 1.7230 Steel
Both EN 1.7366 steel and EN 1.7230 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is EN 1.7366 steel and the bottom bar is EN 1.7230 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 140 to 210 | |
| 220 to 270 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 17 to 19 | |
| 11 to 12 |
| Fatigue Strength, MPa | 160 to 320 | |
| 320 to 460 |
| Impact Strength: V-Notched Charpy, J | 38 | |
| 29 to 30 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 74 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 710 | |
| 720 to 910 |
| Tensile Strength: Yield (Proof), MPa | 230 to 480 | |
| 510 to 740 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 510 | |
| 420 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1420 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 40 | |
| 44 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.1 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.3 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 4.3 | |
| 2.4 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.7 | |
| 1.5 |
| Embodied Energy, MJ/kg | 23 | |
| 20 |
| Embodied Water, L/kg | 69 | |
| 51 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 74 to 110 | |
| 79 to 97 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 600 | |
| 700 to 1460 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 16 to 25 | |
| 26 to 32 |
| Strength to Weight: Bending, points | 17 to 23 | |
| 23 to 27 |
| Thermal Diffusivity, mm2/s | 11 | |
| 12 |
| Thermal Shock Resistance, points | 13 to 20 | |
| 21 to 27 |
Alloy Composition
| Carbon (C), % | 0 to 0.18 | |
| 0.3 to 0.37 |
| Chromium (Cr), % | 4.0 to 6.0 | |
| 0.8 to 1.2 |
| Iron (Fe), % | 91.9 to 95.3 | |
| 96.7 to 98.3 |
| Manganese (Mn), % | 0.3 to 0.8 | |
| 0.5 to 0.8 |
| Molybdenum (Mo), % | 0.45 to 0.65 | |
| 0.15 to 0.3 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.6 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.030 |