EN 1.3523 Steel vs. EN 1.6523 Steel
Both EN 1.3523 steel and EN 1.6523 steel are iron alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is EN 1.3523 steel and the bottom bar is EN 1.6523 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 160 to 220 | |
| 150 to 190 |
| 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 | 520 to 1460 | |
| 510 to 1460 |
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 | 46 | |
| 39 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.3 | |
| 2.6 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.5 |
| Embodied Energy, MJ/kg | 19 | |
| 20 |
| Embodied Water, L/kg | 53 | |
| 50 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 19 to 52 | |
| 18 to 52 |
| Strength to Weight: Bending, points | 18 to 36 | |
| 18 to 36 |
| Thermal Diffusivity, mm2/s | 12 | |
| 10 |
| Thermal Shock Resistance, points | 15 to 42 | |
| 15 to 43 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.050 | |
| 0 |
| Carbon (C), % | 0.17 to 0.22 | |
| 0.17 to 0.23 |
| Chromium (Cr), % | 1.0 to 1.3 | |
| 0.35 to 0.7 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 to 0.25 |
| Iron (Fe), % | 96.5 to 97.9 | |
| 96.6 to 98.3 |
| Manganese (Mn), % | 1.1 to 1.4 | |
| 0.65 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 0.15 to 0.25 |
| Nickel (Ni), % | 0 | |
| 0.4 to 0.7 |
| Oxygen (O), % | 0 to 0.0020 | |
| 0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.3 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.025 |