EN 1.0234 Steel vs. EN 1.5502 Steel
Both EN 1.0234 steel and EN 1.5502 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 EN 1.5502 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 100 to 140 | |
| 120 to 160 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 12 to 29 | |
| 12 to 20 |
| Fatigue Strength, MPa | 170 to 270 | |
| 190 to 290 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Reduction in Area, % | 64 to 78 | |
| 62 to 76 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 260 to 300 | |
| 280 to 330 |
| Tensile Strength: Ultimate (UTS), MPa | 350 to 480 | |
| 400 to 1380 |
| Tensile Strength: Yield (Proof), MPa | 220 to 410 | |
| 270 to 440 |
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 | |
| 52 |
| Thermal Expansion, µm/m-K | 12 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 1.9 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.4 |
| Embodied Energy, MJ/kg | 18 | |
| 19 |
| Embodied Water, L/kg | 46 | |
| 47 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 36 to 130 | |
| 41 to 210 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 440 | |
| 200 to 520 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 12 to 17 | |
| 14 to 49 |
| Strength to Weight: Bending, points | 14 to 17 | |
| 15 to 35 |
| Thermal Diffusivity, mm2/s | 14 | |
| 14 |
| Thermal Shock Resistance, points | 11 to 15 | |
| 12 to 40 |
Alloy Composition
| Aluminum (Al), % | 0.020 to 0.060 | |
| 0 |
| Boron (B), % | 0 | |
| 0.00080 to 0.0050 |
| Carbon (C), % | 0.13 to 0.17 | |
| 0.15 to 0.2 |
| Chromium (Cr), % | 0 | |
| 0 to 0.3 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Iron (Fe), % | 99.02 to 99.5 | |
| 98 to 99.249 |
| Manganese (Mn), % | 0.35 to 0.6 | |
| 0.6 to 0.9 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.3 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.025 |