EN 1.6771 Steel vs. EN 1.1147 Steel
Both EN 1.6771 steel and EN 1.1147 steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is EN 1.6771 steel and the bottom bar is EN 1.1147 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 280 to 350 | |
| 110 to 140 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 8.0 to 8.7 | |
| 12 to 17 |
| Fatigue Strength, MPa | 440 to 680 | |
| 180 to 250 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 930 to 1180 | |
| 390 to 470 |
| Tensile Strength: Yield (Proof), MPa | 740 to 1140 | |
| 280 to 370 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 440 | |
| 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 | 46 | |
| 51 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.0 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.2 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 5.0 | |
| 1.8 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.9 | |
| 1.4 |
| Embodied Energy, MJ/kg | 25 | |
| 18 |
| Embodied Water, L/kg | 58 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 75 to 93 | |
| 40 to 73 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1460 to 3450 | |
| 210 to 370 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 33 to 41 | |
| 14 to 17 |
| Strength to Weight: Bending, points | 27 to 31 | |
| 15 to 17 |
| Thermal Diffusivity, mm2/s | 13 | |
| 14 |
| Thermal Shock Resistance, points | 27 to 35 | |
| 12 to 15 |
Alloy Composition
| Carbon (C), % | 0.27 to 0.33 | |
| 0.15 to 0.19 |
| Chromium (Cr), % | 0.8 to 1.2 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Iron (Fe), % | 92.2 to 95 | |
| 98.3 to 99.25 |
| Manganese (Mn), % | 0.6 to 1.0 | |
| 0.6 to 0.9 |
| Molybdenum (Mo), % | 0.3 to 0.6 | |
| 0 |
| Nickel (Ni), % | 3.0 to 4.0 | |
| 0 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.6 | |
| 0 to 0.3 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 to 0.025 |