EN 1.0234 Steel vs. EN 1.5520 Steel
Both EN 1.0234 steel and EN 1.5520 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 1.5520 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 100 to 140 | |
| 120 to 170 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 12 to 29 | |
| 11 to 21 |
| Fatigue Strength, MPa | 170 to 270 | |
| 210 to 300 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Reduction in Area, % | 64 to 78 | |
| 62 to 75 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 260 to 300 | |
| 290 to 340 |
| Tensile Strength: Ultimate (UTS), MPa | 350 to 480 | |
| 410 to 1410 |
| Tensile Strength: Yield (Proof), MPa | 220 to 410 | |
| 300 to 480 |
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 | |
| 50 |
| 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 | |
| 8.2 |
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 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 36 to 130 | |
| 42 to 230 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 440 | |
| 240 to 600 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 12 to 17 | |
| 15 to 50 |
| Strength to Weight: Bending, points | 14 to 17 | |
| 16 to 36 |
| Thermal Diffusivity, mm2/s | 14 | |
| 13 |
| Thermal Shock Resistance, points | 11 to 15 | |
| 12 to 41 |
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 | |
| 97.7 to 98.9 |
| Manganese (Mn), % | 0.35 to 0.6 | |
| 0.9 to 1.2 |
| 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 |