EN 1.1181 Steel vs. EN 1.7366 Steel
Both EN 1.1181 steel and EN 1.7366 steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is EN 1.1181 steel and the bottom bar is EN 1.7366 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 160 to 180 | |
| 140 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 19 to 20 | |
| 17 to 19 |
| Fatigue Strength, MPa | 190 to 260 | |
| 160 to 320 |
| Impact Strength: V-Notched Charpy, J | 23 to 38 | |
| 38 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 74 |
| Shear Strength, MPa | 350 to 390 | |
| 290 to 440 |
| Tensile Strength: Ultimate (UTS), MPa | 560 to 620 | |
| 460 to 710 |
| Tensile Strength: Yield (Proof), MPa | 280 to 380 | |
| 230 to 480 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 510 |
| 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 | 42 | |
| 40 |
| Thermal Expansion, µm/m-K | 11 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 8.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
| 9.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.1 | |
| 4.3 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.7 |
| Embodied Energy, MJ/kg | 19 | |
| 23 |
| Embodied Water, L/kg | 47 | |
| 69 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 90 to 110 | |
| 74 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 210 to 380 | |
| 140 to 600 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 20 to 22 | |
| 16 to 25 |
| Strength to Weight: Bending, points | 19 to 21 | |
| 17 to 23 |
| Thermal Diffusivity, mm2/s | 11 | |
| 11 |
| Thermal Shock Resistance, points | 19 to 21 | |
| 13 to 20 |
Alloy Composition
| Carbon (C), % | 0.32 to 0.39 | |
| 0 to 0.18 |
| Chromium (Cr), % | 0 to 0.4 | |
| 4.0 to 6.0 |
| Iron (Fe), % | 97.4 to 99.18 | |
| 91.9 to 95.3 |
| Manganese (Mn), % | 0.5 to 0.8 | |
| 0.3 to 0.8 |
| Molybdenum (Mo), % | 0 to 0.1 | |
| 0.45 to 0.65 |
| Nickel (Ni), % | 0 to 0.4 | |
| 0 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.035 | |
| 0 to 0.015 |