EN 1.0580 Steel vs. SAE-AISI 4028 Steel
Both EN 1.0580 steel and SAE-AISI 4028 steel are iron alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is EN 1.0580 steel and the bottom bar is SAE-AISI 4028 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 160 to 180 | |
| 150 to 190 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 5.6 to 25 | |
| 14 to 23 |
| Fatigue Strength, MPa | 210 to 270 | |
| 180 to 330 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 340 to 360 | |
| 310 to 380 |
| Tensile Strength: Ultimate (UTS), MPa | 540 to 620 | |
| 490 to 630 |
| Tensile Strength: Yield (Proof), MPa | 290 to 450 | |
| 260 to 520 |
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 | |
| 49 |
| Thermal Expansion, µm/m-K | 12 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 2.1 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.5 |
| Embodied Energy, MJ/kg | 18 | |
| 19 |
| Embodied Water, L/kg | 46 | |
| 47 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 31 to 120 | |
| 81 to 95 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 to 540 | |
| 180 to 720 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 19 to 22 | |
| 17 to 22 |
| Strength to Weight: Bending, points | 19 to 21 | |
| 18 to 21 |
| Thermal Diffusivity, mm2/s | 14 | |
| 13 |
| Thermal Shock Resistance, points | 17 to 20 | |
| 16 to 20 |
Alloy Composition
| Carbon (C), % | 0 to 0.22 | |
| 0.25 to 0.3 |
| Iron (Fe), % | 97.5 to 100 | |
| 98.1 to 98.7 |
| Manganese (Mn), % | 0 to 1.6 | |
| 0.7 to 0.9 |
| Molybdenum (Mo), % | 0 | |
| 0.2 to 0.3 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 0.55 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 to 0.045 | |
| 0.035 to 0.050 |