EN 1.1127 Steel vs. EN 1.7216 Steel
Both EN 1.1127 steel and EN 1.7216 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 1.7216 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 230 | |
| 200 to 280 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 14 to 25 | |
| 12 to 23 |
| Fatigue Strength, MPa | 280 to 370 | |
| 290 to 440 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 420 to 480 | |
| 410 to 560 |
| Tensile Strength: Ultimate (UTS), MPa | 660 to 790 | |
| 650 to 930 |
| Tensile Strength: Yield (Proof), MPa | 410 to 580 | |
| 400 to 690 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 420 |
| 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 | |
| 46 |
| Thermal Expansion, µm/m-K | 12 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.1 | |
| 2.4 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.5 |
| Embodied Energy, MJ/kg | 19 | |
| 20 |
| Embodied Water, L/kg | 49 | |
| 50 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 90 to 140 | |
| 110 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 440 to 880 | |
| 430 to 1280 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 23 to 28 | |
| 23 to 33 |
| Strength to Weight: Bending, points | 22 to 24 | |
| 21 to 27 |
| Thermal Diffusivity, mm2/s | 13 | |
| 12 |
| Thermal Shock Resistance, points | 21 to 25 | |
| 19 to 27 |
Alloy Composition
| Carbon (C), % | 0.34 to 0.42 | |
| 0.27 to 0.34 |
| Chromium (Cr), % | 0 to 0.4 | |
| 0.8 to 1.2 |
| Iron (Fe), % | 96.6 to 98.1 | |
| 97.2 to 98.4 |
| Manganese (Mn), % | 1.4 to 1.7 | |
| 0.35 to 0.6 |
| Molybdenum (Mo), % | 0 to 0.1 | |
| 0.15 to 0.3 |
| Nickel (Ni), % | 0 to 0.4 | |
| 0 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.035 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 to 0.35 |
| Sulfur (S), % | 0 to 0.035 | |
| 0 to 0.035 |