EN 1.5510 Steel vs. EN 1.5502 Steel
Both EN 1.5510 steel and EN 1.5502 steel are iron alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is EN 1.5510 steel and the bottom bar is EN 1.5502 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 130 to 190 | |
| 120 to 160 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 11 to 21 | |
| 12 to 20 |
| Fatigue Strength, MPa | 220 to 330 | |
| 190 to 290 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Reduction in Area, % | 62 to 72 | |
| 62 to 76 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 310 to 380 | |
| 280 to 330 |
| Tensile Strength: Ultimate (UTS), MPa | 450 to 1600 | |
| 400 to 1380 |
| Tensile Strength: Yield (Proof), MPa | 310 to 520 | |
| 270 to 440 |
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 | 51 | |
| 52 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 1.9 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.4 |
| Embodied Energy, MJ/kg | 19 | |
| 19 |
| Embodied Water, L/kg | 47 | |
| 47 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 46 to 260 | |
| 41 to 210 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 to 710 | |
| 200 to 520 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 16 to 57 | |
| 14 to 49 |
| Strength to Weight: Bending, points | 17 to 39 | |
| 15 to 35 |
| Thermal Diffusivity, mm2/s | 14 | |
| 14 |
| Thermal Shock Resistance, points | 13 to 47 | |
| 12 to 40 |
Alloy Composition
| Boron (B), % | 0.00080 to 0.0050 | |
| 0.00080 to 0.0050 |
| Carbon (C), % | 0.25 to 0.3 | |
| 0.15 to 0.2 |
| Chromium (Cr), % | 0 to 0.3 | |
| 0 to 0.3 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 to 0.25 |
| Iron (Fe), % | 97.9 to 99.149 | |
| 98 to 99.249 |
| Manganese (Mn), % | 0.6 to 0.9 | |
| 0.6 to 0.9 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.3 | |
| 0 to 0.3 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.025 |