EN 1.0580 Steel vs. ASTM A372 Grade G Steel
Both EN 1.0580 steel and ASTM A372 grade G 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 ASTM A372 grade G steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 160 to 180 | |
| 200 to 280 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 5.6 to 25 | |
| 20 to 22 |
| Fatigue Strength, MPa | 210 to 270 | |
| 310 to 380 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 340 to 360 | |
| 410 to 570 |
| Tensile Strength: Ultimate (UTS), MPa | 540 to 620 | |
| 650 to 910 |
| Tensile Strength: Yield (Proof), MPa | 290 to 450 | |
| 430 to 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 410 |
| 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 | |
| 46 |
| Thermal Expansion, µm/m-K | 12 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 2.2 |
| 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 | |
| 49 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 31 to 120 | |
| 130 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 to 540 | |
| 500 to 810 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 19 to 22 | |
| 23 to 32 |
| Strength to Weight: Bending, points | 19 to 21 | |
| 21 to 27 |
| Thermal Diffusivity, mm2/s | 14 | |
| 13 |
| Thermal Shock Resistance, points | 17 to 20 | |
| 19 to 27 |
Alloy Composition
| Carbon (C), % | 0 to 0.22 | |
| 0.25 to 0.35 |
| Chromium (Cr), % | 0 | |
| 0.4 to 0.65 |
| Iron (Fe), % | 97.5 to 100 | |
| 97.4 to 98.4 |
| Manganese (Mn), % | 0 to 1.6 | |
| 0.7 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 0.15 to 0.25 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 0.55 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 to 0.045 | |
| 0 to 0.010 |