EN 1.1191 Steel vs. EN 1.5414 Steel
Both EN 1.1191 steel and EN 1.5414 steel are iron alloys. They have a very high 99% of their average alloy composition in common.
For each property being compared, the top bar is EN 1.1191 steel and the bottom bar is EN 1.5414 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 to 200 | |
| 170 to 180 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 16 to 17 | |
| 22 |
| Fatigue Strength, MPa | 210 to 290 | |
| 250 to 270 |
| Impact Strength: V-Notched Charpy, J | 16 to 29 | |
| 46 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 72 | |
| 73 |
| Shear Strength, MPa | 380 to 430 | |
| 350 to 370 |
| Tensile Strength: Ultimate (UTS), MPa | 630 to 700 | |
| 550 to 580 |
| Tensile Strength: Yield (Proof), MPa | 310 to 440 | |
| 350 to 380 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 410 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1470 |
| Melting Onset (Solidus), °C | 1420 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 48 | |
| 44 |
| Thermal Expansion, µm/m-K | 12 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.1 | |
| 2.6 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.6 |
| Embodied Energy, MJ/kg | 19 | |
| 21 |
| Embodied Water, L/kg | 47 | |
| 50 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 83 to 100 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 to 510 | |
| 320 to 370 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 22 to 25 | |
| 19 to 20 |
| Strength to Weight: Bending, points | 21 to 22 | |
| 19 to 20 |
| Thermal Diffusivity, mm2/s | 13 | |
| 12 |
| Thermal Shock Resistance, points | 20 to 22 | |
| 16 to 17 |
Alloy Composition
| Carbon (C), % | 0.42 to 0.5 | |
| 0 to 0.2 |
| Chromium (Cr), % | 0 to 0.4 | |
| 0 to 0.3 |
| Copper (Cu), % | 0 | |
| 0 to 0.3 |
| Iron (Fe), % | 97.3 to 99.08 | |
| 96.4 to 98.7 |
| Manganese (Mn), % | 0.5 to 0.8 | |
| 0.9 to 1.5 |
| Molybdenum (Mo), % | 0 to 0.1 | |
| 0.45 to 0.6 |
| Nickel (Ni), % | 0 to 0.4 | |
| 0 to 0.3 |
| Nitrogen (N), % | 0 | |
| 0 to 0.012 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.035 | |
| 0 to 0.0050 |