EN 1.0434 Steel vs. EN 1.5521 Steel
Both EN 1.0434 steel and EN 1.5521 steel are iron alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is EN 1.0434 steel and the bottom bar is EN 1.5521 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 110 to 160 | |
| 130 to 180 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 12 to 28 | |
| 11 to 21 |
| Fatigue Strength, MPa | 190 to 300 | |
| 210 to 310 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Reduction in Area, % | 64 to 74 | |
| 59 to 72 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 280 to 330 | |
| 310 to 360 |
| Tensile Strength: Ultimate (UTS), MPa | 390 to 540 | |
| 430 to 1390 |
| Tensile Strength: Yield (Proof), MPa | 250 to 450 | |
| 300 to 490 |
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 | 52 | |
| 51 |
| 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 | 39 to 140 | |
| 44 to 230 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 to 540 | |
| 250 to 630 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 14 to 19 | |
| 15 to 49 |
| Strength to Weight: Bending, points | 15 to 19 | |
| 16 to 35 |
| Thermal Diffusivity, mm2/s | 14 | |
| 14 |
| Thermal Shock Resistance, points | 12 to 17 | |
| 13 to 41 |
Alloy Composition
| Aluminum (Al), % | 0.020 to 0.060 | |
| 0 |
| Boron (B), % | 0 | |
| 0.00080 to 0.0050 |
| Carbon (C), % | 0.15 to 0.19 | |
| 0.16 to 0.2 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Iron (Fe), % | 98.8 to 99.18 | |
| 98 to 98.9 |
| Manganese (Mn), % | 0.65 to 0.85 | |
| 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 |