EN 1.0234 Steel vs. SAE-AISI 1038 Steel
Both EN 1.0234 steel and SAE-AISI 1038 steel are iron alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is EN 1.0234 steel and the bottom bar is SAE-AISI 1038 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 100 to 140 | |
| 170 to 180 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 12 to 29 | |
| 14 to 20 |
| Fatigue Strength, MPa | 170 to 270 | |
| 220 to 350 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Reduction in Area, % | 64 to 78 | |
| 40 to 45 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 260 to 300 | |
| 370 to 390 |
| Tensile Strength: Ultimate (UTS), MPa | 350 to 480 | |
| 590 to 640 |
| Tensile Strength: Yield (Proof), MPa | 220 to 410 | |
| 320 to 540 |
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 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 53 | |
| 51 |
| Thermal Expansion, µm/m-K | 12 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 | |
| 8.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 1.8 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.4 |
| Embodied Energy, MJ/kg | 18 | |
| 18 |
| Embodied Water, L/kg | 46 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 36 to 130 | |
| 83 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 440 | |
| 270 to 790 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 12 to 17 | |
| 21 to 23 |
| Strength to Weight: Bending, points | 14 to 17 | |
| 20 to 21 |
| Thermal Diffusivity, mm2/s | 14 | |
| 14 |
| Thermal Shock Resistance, points | 11 to 15 | |
| 19 to 20 |
Alloy Composition
| Aluminum (Al), % | 0.020 to 0.060 | |
| 0 |
| Carbon (C), % | 0.13 to 0.17 | |
| 0.35 to 0.42 |
| Iron (Fe), % | 99.02 to 99.5 | |
| 98.6 to 99.05 |
| Manganese (Mn), % | 0.35 to 0.6 | |
| 0.6 to 0.9 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.050 |