EN 1.1158 Steel vs. EN 1.5414 Steel
Both EN 1.1158 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 1.1158 steel and the bottom bar is EN 1.5414 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 140 to 150 | |
| 170 to 180 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 23 to 24 | |
| 22 |
| Fatigue Strength, MPa | 170 to 220 | |
| 250 to 270 |
| Impact Strength: V-Notched Charpy, J | 28 to 40 | |
| 46 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 300 to 320 | |
| 350 to 370 |
| Tensile Strength: Ultimate (UTS), MPa | 470 to 500 | |
| 550 to 580 |
| Tensile Strength: Yield (Proof), MPa | 240 to 310 | |
| 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 | 49 | |
| 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 | 8.2 | |
| 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 | 89 to 110 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 150 to 250 | |
| 320 to 370 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 17 to 18 | |
| 19 to 20 |
| Strength to Weight: Bending, points | 17 to 18 | |
| 19 to 20 |
| Thermal Diffusivity, mm2/s | 13 | |
| 12 |
| Thermal Shock Resistance, points | 15 to 16 | |
| 16 to 17 |
Alloy Composition
| Carbon (C), % | 0.22 to 0.29 | |
| 0 to 0.2 |
| Chromium (Cr), % | 0 to 0.4 | |
| 0 to 0.3 |
| Copper (Cu), % | 0 | |
| 0 to 0.3 |
| Iron (Fe), % | 97.6 to 99.38 | |
| 96.4 to 98.7 |
| Manganese (Mn), % | 0.4 to 0.7 | |
| 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 |