EN 1.1122 Steel vs. EN 1.1152 Steel
Both EN 1.1122 steel and EN 1.1152 steel are iron alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is EN 1.1122 steel and the bottom bar is EN 1.1152 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 100 to 130 | |
| 120 to 160 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 12 to 21 | |
| 12 to 22 |
| Fatigue Strength, MPa | 170 to 260 | |
| 190 to 300 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Reduction in Area, % | 63 to 73 | |
| 63 to 73 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 240 to 290 | |
| 290 to 340 |
| Tensile Strength: Ultimate (UTS), MPa | 340 to 460 | |
| 400 to 550 |
| Tensile Strength: Yield (Proof), MPa | 240 to 370 | |
| 270 to 440 |
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 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 51 | |
| 52 |
| Thermal Expansion, µm/m-K | 12 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 | |
| 8.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 1.8 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.4 |
| Embodied Energy, MJ/kg | 18 | |
| 18 |
| Embodied Water, L/kg | 46 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 36 to 89 | |
| 41 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 to 360 | |
| 200 to 530 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 12 to 16 | |
| 14 to 19 |
| Strength to Weight: Bending, points | 14 to 17 | |
| 15 to 19 |
| Thermal Diffusivity, mm2/s | 14 | |
| 14 |
| Thermal Shock Resistance, points | 11 to 15 | |
| 13 to 17 |
Alloy Composition
| Carbon (C), % | 0.080 to 0.12 | |
| 0.18 to 0.22 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 to 0.25 |
| Iron (Fe), % | 98.7 to 99.62 | |
| 98.6 to 99.52 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 0.3 to 0.6 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.3 | |
| 0 to 0.3 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.025 |