SAE-AISI 4150 Steel vs. EN 1.7233 Steel
Both SAE-AISI 4150 steel and EN 1.7233 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 4150 steel and the bottom bar is EN 1.7233 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 to 380 | |
| 210 to 290 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 12 to 20 | |
| 18 to 23 |
| Fatigue Strength, MPa | 260 to 780 | |
| 270 to 530 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 410 to 800 | |
| 450 to 590 |
| Tensile Strength: Ultimate (UTS), MPa | 660 to 1310 | |
| 700 to 960 |
| Tensile Strength: Yield (Proof), MPa | 380 to 1220 | |
| 380 to 780 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 430 |
| 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 | 42 | |
| 39 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 8.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 | |
| 3.0 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.6 |
| Embodied Energy, MJ/kg | 20 | |
| 21 |
| Embodied Water, L/kg | 51 | |
| 53 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 82 to 180 | |
| 110 to 200 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 380 to 3930 | |
| 380 to 1630 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 24 to 47 | |
| 25 to 34 |
| Strength to Weight: Bending, points | 22 to 34 | |
| 22 to 28 |
| Thermal Diffusivity, mm2/s | 11 | |
| 11 |
| Thermal Shock Resistance, points | 19 to 39 | |
| 21 to 28 |
Alloy Composition
| Carbon (C), % | 0.48 to 0.53 | |
| 0.39 to 0.45 |
| Chromium (Cr), % | 0.8 to 1.1 | |
| 1.2 to 1.5 |
| Iron (Fe), % | 96.7 to 97.7 | |
| 96.2 to 97.5 |
| Manganese (Mn), % | 0.75 to 1.0 | |
| 0.4 to 0.7 |
| Molybdenum (Mo), % | 0.15 to 0.25 | |
| 0.5 to 0.7 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.025 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 to 0.035 |