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