EN 1.1127 Steel vs. EN 1.1151 Steel
Both EN 1.1127 steel and EN 1.1151 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 1.1127 steel and the bottom bar is EN 1.1151 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 230 | |
| 130 to 150 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 14 to 25 | |
| 21 to 26 |
| Fatigue Strength, MPa | 280 to 370 | |
| 180 to 240 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 420 to 480 | |
| 300 to 330 |
| Tensile Strength: Ultimate (UTS), MPa | 660 to 790 | |
| 460 to 520 |
| Tensile Strength: Yield (Proof), MPa | 410 to 580 | |
| 240 to 340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 400 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1410 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 49 | |
| 50 |
| Thermal Expansion, µm/m-K | 12 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 8.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.1 | |
| 2.1 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.4 |
| Embodied Energy, MJ/kg | 19 | |
| 19 |
| Embodied Water, L/kg | 49 | |
| 47 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 90 to 140 | |
| 98 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 440 to 880 | |
| 160 to 310 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 23 to 28 | |
| 16 to 18 |
| Strength to Weight: Bending, points | 22 to 24 | |
| 17 to 18 |
| Thermal Diffusivity, mm2/s | 13 | |
| 13 |
| Thermal Shock Resistance, points | 21 to 25 | |
| 15 to 16 |
Alloy Composition
| Carbon (C), % | 0.34 to 0.42 | |
| 0.17 to 0.24 |
| Chromium (Cr), % | 0 to 0.4 | |
| 0 to 0.4 |
| Iron (Fe), % | 96.6 to 98.1 | |
| 97.7 to 99.43 |
| Manganese (Mn), % | 1.4 to 1.7 | |
| 0.4 to 0.7 |
| Molybdenum (Mo), % | 0 to 0.1 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 to 0.4 | |
| 0 to 0.4 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.035 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.035 | |
| 0 to 0.035 |