EN 1.0580 Steel vs. EN 1.7221 Steel
Both EN 1.0580 steel and EN 1.7221 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is EN 1.0580 steel and the bottom bar is EN 1.7221 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 160 to 180 | |
| 200 to 230 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 5.6 to 25 | |
| 11 to 17 |
| Fatigue Strength, MPa | 210 to 270 | |
| 290 to 390 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 540 to 620 | |
| 650 to 780 |
| Tensile Strength: Yield (Proof), MPa | 290 to 450 | |
| 430 to 630 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 420 |
| 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 | |
| 44 |
| Thermal Expansion, µm/m-K | 12 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 2.4 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.5 |
| Embodied Energy, MJ/kg | 18 | |
| 20 |
| Embodied Water, L/kg | 46 | |
| 51 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 31 to 120 | |
| 83 to 98 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 to 540 | |
| 490 to 1050 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 19 to 22 | |
| 23 to 27 |
| Strength to Weight: Bending, points | 19 to 21 | |
| 21 to 24 |
| Thermal Diffusivity, mm2/s | 14 | |
| 12 |
| Thermal Shock Resistance, points | 17 to 20 | |
| 19 to 23 |
Alloy Composition
| Carbon (C), % | 0 to 0.22 | |
| 0.22 to 0.29 |
| Chromium (Cr), % | 0 | |
| 0.8 to 1.2 |
| Iron (Fe), % | 97.5 to 100 | |
| 96.8 to 98.3 |
| Manganese (Mn), % | 0 to 1.6 | |
| 0.5 to 0.8 |
| Molybdenum (Mo), % | 0 | |
| 0.15 to 0.3 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.55 | |
| 0 to 0.6 |
| Sulfur (S), % | 0 to 0.045 | |
| 0 to 0.030 |