ASTM A387 Grade 22L Class 1 vs. EN 1.6580 Steel
Both ASTM A387 grade 22L class 1 and EN 1.6580 steel are iron alloys. They have a very high 98% of their average alloy composition in common.
For each property being compared, the top bar is ASTM A387 grade 22L class 1 and the bottom bar is EN 1.6580 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 150 | |
| 220 to 350 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 20 | |
| 11 to 19 |
| Fatigue Strength, MPa | 160 | |
| 310 to 610 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 74 | |
| 73 |
| Shear Strength, MPa | 310 | |
| 450 to 700 |
| Tensile Strength: Ultimate (UTS), MPa | 500 | |
| 720 to 1170 |
| Tensile Strength: Yield (Proof), MPa | 230 | |
| 460 to 990 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 460 | |
| 450 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1460 |
| Melting Onset (Solidus), °C | 1430 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 40 | |
| 40 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.5 | |
| 7.8 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.6 | |
| 8.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.8 | |
| 4.3 |
| Density, g/cm3 | 7.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.7 | |
| 1.8 |
| Embodied Energy, MJ/kg | 23 | |
| 23 |
| Embodied Water, L/kg | 58 | |
| 59 |
Common Calculations
| PREN (Pitting Resistance) | 5.6 | |
| 3.3 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 83 | |
| 120 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 | |
| 560 to 2590 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 18 | |
| 26 to 41 |
| Strength to Weight: Bending, points | 18 | |
| 23 to 31 |
| Thermal Diffusivity, mm2/s | 11 | |
| 11 |
| Thermal Shock Resistance, points | 14 | |
| 21 to 34 |
Alloy Composition
| Carbon (C), % | 0 to 0.1 | |
| 0.26 to 0.34 |
| Chromium (Cr), % | 2.0 to 2.5 | |
| 1.8 to 2.2 |
| Iron (Fe), % | 95.2 to 96.8 | |
| 93.7 to 95.5 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 0.9 to 1.1 | |
| 0.3 to 0.5 |
| Nickel (Ni), % | 0 | |
| 1.8 to 2.2 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.035 |