SAE-AISI 1552 Steel vs. EN 1.1127 Steel
Both SAE-AISI 1552 steel and EN 1.1127 steel are iron alloys. Their average alloy composition is basically identical. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 1552 steel and the bottom bar is EN 1.1127 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 220 to 250 | |
| 190 to 230 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 11 to 14 | |
| 14 to 25 |
| Fatigue Strength, MPa | 290 to 400 | |
| 280 to 370 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 72 | |
| 73 |
| Shear Strength, MPa | 460 to 510 | |
| 420 to 480 |
| Tensile Strength: Ultimate (UTS), MPa | 760 to 840 | |
| 660 to 790 |
| Tensile Strength: Yield (Proof), MPa | 460 to 650 | |
| 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 | 51 | |
| 49 |
| Thermal Expansion, µm/m-K | 11 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 12 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 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 | 81 to 98 | |
| 90 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 560 to 1130 | |
| 440 to 880 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 27 to 30 | |
| 23 to 28 |
| Strength to Weight: Bending, points | 24 to 25 | |
| 22 to 24 |
| Thermal Diffusivity, mm2/s | 14 | |
| 13 |
| Thermal Shock Resistance, points | 26 to 29 | |
| 21 to 25 |
Alloy Composition
| Carbon (C), % | 0.47 to 0.55 | |
| 0.34 to 0.42 |
| Chromium (Cr), % | 0 | |
| 0 to 0.4 |
| Iron (Fe), % | 97.9 to 98.3 | |
| 96.6 to 98.1 |
| Manganese (Mn), % | 1.2 to 1.5 | |
| 1.4 to 1.7 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 | |
| 0 to 0.4 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 to 0.035 |