EN 1.0308 Steel vs. EN 1.0580 Steel
Both EN 1.0308 steel and EN 1.0580 steel are iron alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is EN 1.0308 steel and the bottom bar is EN 1.0580 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 100 to 130 | |
| 160 to 180 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 7.8 to 28 | |
| 5.6 to 25 |
| Fatigue Strength, MPa | 140 to 200 | |
| 210 to 270 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 230 to 260 | |
| 340 to 360 |
| Tensile Strength: Ultimate (UTS), MPa | 360 to 440 | |
| 540 to 620 |
| Tensile Strength: Yield (Proof), MPa | 190 to 340 | |
| 290 to 450 |
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 | |
| 51 |
| Thermal Expansion, µm/m-K | 12 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 | |
| 8.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 1.8 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.4 |
| Embodied Energy, MJ/kg | 18 | |
| 18 |
| Embodied Water, L/kg | 46 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 32 to 95 | |
| 31 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 93 to 300 | |
| 230 to 540 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 13 to 16 | |
| 19 to 22 |
| Strength to Weight: Bending, points | 14 to 16 | |
| 19 to 21 |
| Thermal Diffusivity, mm2/s | 14 | |
| 14 |
| Thermal Shock Resistance, points | 11 to 14 | |
| 17 to 20 |
Alloy Composition
| Carbon (C), % | 0 to 0.17 | |
| 0 to 0.22 |
| Iron (Fe), % | 98.2 to 100 | |
| 97.5 to 100 |
| Manganese (Mn), % | 0 to 1.2 | |
| 0 to 1.6 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.35 | |
| 0 to 0.55 |
| Sulfur (S), % | 0 to 0.045 | |
| 0 to 0.045 |