EN 1.3520 Steel vs. EN 1.3505 Steel
Both EN 1.3520 steel and EN 1.3505 steel are iron alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is EN 1.3520 steel and the bottom bar is EN 1.3505 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 220 | |
| 180 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 72 | |
| 72 |
| Tensile Strength: Ultimate (UTS), MPa | 620 to 730 | |
| 600 to 690 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 430 | |
| 430 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1450 |
| Melting Onset (Solidus), °C | 1400 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 43 | |
| 45 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.6 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.6 | |
| 2.4 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.5 |
| Embodied Energy, MJ/kg | 20 | |
| 20 |
| Embodied Water, L/kg | 54 | |
| 52 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 22 to 26 | |
| 22 to 25 |
| Strength to Weight: Bending, points | 21 to 23 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 12 | |
| 12 |
| Thermal Shock Resistance, points | 18 to 22 | |
| 18 to 20 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.050 | |
| 0 to 0.050 |
| Carbon (C), % | 0.93 to 1.1 | |
| 0.93 to 1.1 |
| Chromium (Cr), % | 1.4 to 1.7 | |
| 1.4 to 1.6 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 to 0.3 |
| Iron (Fe), % | 95.9 to 97.2 | |
| 97.1 to 98.3 |
| Manganese (Mn), % | 1.0 to 1.2 | |
| 0.25 to 0.45 |
| Molybdenum (Mo), % | 0 to 0.1 | |
| 0 to 0.1 |
| Oxygen (O), % | 0 to 0.0015 | |
| 0 to 0.0015 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.025 |
| Silicon (Si), % | 0.45 to 0.75 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |