SAE-AISI 5140 Steel vs. EN 1.1170 Steel
Both SAE-AISI 5140 steel and EN 1.1170 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 5140 steel and the bottom bar is EN 1.1170 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 to 290 | |
| 180 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 12 to 29 | |
| 16 to 17 |
| Fatigue Strength, MPa | 220 to 570 | |
| 220 to 330 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 360 to 600 | |
| 390 to 450 |
| Tensile Strength: Ultimate (UTS), MPa | 560 to 970 | |
| 640 to 730 |
| Tensile Strength: Yield (Proof), MPa | 290 to 840 | |
| 330 to 500 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 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 | 45 | |
| 50 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
| 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 | 49 | |
| 49 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 76 to 180 | |
| 91 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 220 to 1880 | |
| 290 to 670 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 20 to 34 | |
| 23 to 26 |
| Strength to Weight: Bending, points | 19 to 28 | |
| 21 to 23 |
| Thermal Diffusivity, mm2/s | 12 | |
| 13 |
| Thermal Shock Resistance, points | 16 to 29 | |
| 20 to 23 |
Alloy Composition
| Carbon (C), % | 0.38 to 0.43 | |
| 0.25 to 0.32 |
| Chromium (Cr), % | 0.7 to 0.9 | |
| 0 to 0.4 |
| Iron (Fe), % | 97.3 to 98.1 | |
| 96.7 to 98.5 |
| Manganese (Mn), % | 0.7 to 0.9 | |
| 1.3 to 1.7 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 | |
| 0 to 0.4 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.035 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 to 0.035 |