EN 1.3521 Steel vs. EN 1.3570 Steel
Both EN 1.3521 steel and EN 1.3570 steel are iron alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is EN 1.3521 steel and the bottom bar is EN 1.3570 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 150 to 180 | |
| 150 to 220 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 490 to 1390 | |
| 490 to 1440 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 410 |
| 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 | 45 | |
| 46 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.3 | |
| 2.3 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.5 |
| Embodied Energy, MJ/kg | 19 | |
| 19 |
| Embodied Water, L/kg | 52 | |
| 50 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 17 to 49 | |
| 17 to 51 |
| Strength to Weight: Bending, points | 18 to 35 | |
| 18 to 36 |
| Thermal Diffusivity, mm2/s | 12 | |
| 13 |
| Thermal Shock Resistance, points | 14 to 41 | |
| 14 to 42 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.050 | |
| 0 to 0.050 |
| Carbon (C), % | 0.14 to 0.19 | |
| 0.17 to 0.23 |
| Chromium (Cr), % | 0.8 to 1.1 | |
| 0.4 to 0.75 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 to 0.3 |
| Iron (Fe), % | 96.8 to 98.2 | |
| 97.1 to 98.9 |
| Manganese (Mn), % | 1.0 to 1.3 | |
| 0.65 to 1.1 |
| Molybdenum (Mo), % | 0 | |
| 0.1 to 0.2 |
| Oxygen (O), % | 0 to 0.0020 | |
| 0 to 0.0020 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |