EN 1.7230 Steel vs. EN 1.7711 Steel
Both EN 1.7230 steel and EN 1.7711 steel are iron alloys. Their average alloy composition is basically identical. There are 30 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 1.7230 steel and the bottom bar is EN 1.7711 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 220 to 270 | |
| 210 to 280 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 11 to 12 | |
| 16 to 22 |
| Fatigue Strength, MPa | 320 to 460 | |
| 290 to 520 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 720 to 910 | |
| 690 to 930 |
| Tensile Strength: Yield (Proof), MPa | 510 to 740 | |
| 400 to 800 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 430 |
| 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 | 44 | |
| 33 |
| Thermal Expansion, µm/m-K | 13 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 8.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 | |
| 3.0 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 2.3 |
| Embodied Energy, MJ/kg | 20 | |
| 32 |
| Embodied Water, L/kg | 51 | |
| 54 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 79 to 97 | |
| 130 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 700 to 1460 | |
| 430 to 1690 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 26 to 32 | |
| 24 to 33 |
| Strength to Weight: Bending, points | 23 to 27 | |
| 22 to 27 |
| Thermal Diffusivity, mm2/s | 12 | |
| 8.9 |
| Thermal Shock Resistance, points | 21 to 27 | |
| 24 to 32 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.015 |
| Carbon (C), % | 0.3 to 0.37 | |
| 0.36 to 0.44 |
| Chromium (Cr), % | 0.8 to 1.2 | |
| 0.9 to 1.2 |
| Iron (Fe), % | 96.7 to 98.3 | |
| 96 to 97.5 |
| Manganese (Mn), % | 0.5 to 0.8 | |
| 0.45 to 0.85 |
| Molybdenum (Mo), % | 0.15 to 0.3 | |
| 0.5 to 0.65 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.6 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |
| Vanadium (V), % | 0 | |
| 0.25 to 0.35 |