EN 1.6580 Steel vs. ASTM A372 Grade G Steel
Both EN 1.6580 steel and ASTM A372 grade G steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is EN 1.6580 steel and the bottom bar is ASTM A372 grade G steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 220 to 350 | |
| 200 to 280 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 11 to 19 | |
| 20 to 22 |
| Fatigue Strength, MPa | 310 to 610 | |
| 310 to 380 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 450 to 700 | |
| 410 to 570 |
| Tensile Strength: Ultimate (UTS), MPa | 720 to 1170 | |
| 650 to 910 |
| Tensile Strength: Yield (Proof), MPa | 460 to 990 | |
| 430 to 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 450 | |
| 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 | 40 | |
| 46 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.8 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.9 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 4.3 | |
| 2.2 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.8 | |
| 1.5 |
| Embodied Energy, MJ/kg | 23 | |
| 20 |
| Embodied Water, L/kg | 59 | |
| 49 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 130 | |
| 130 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 560 to 2590 | |
| 500 to 810 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 26 to 41 | |
| 23 to 32 |
| Strength to Weight: Bending, points | 23 to 31 | |
| 21 to 27 |
| Thermal Diffusivity, mm2/s | 11 | |
| 13 |
| Thermal Shock Resistance, points | 21 to 34 | |
| 19 to 27 |
Alloy Composition
| Carbon (C), % | 0.26 to 0.34 | |
| 0.25 to 0.35 |
| Chromium (Cr), % | 1.8 to 2.2 | |
| 0.4 to 0.65 |
| Iron (Fe), % | 93.7 to 95.5 | |
| 97.4 to 98.4 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 0.7 to 1.0 |
| Molybdenum (Mo), % | 0.3 to 0.5 | |
| 0.15 to 0.25 |
| Nickel (Ni), % | 1.8 to 2.2 | |
| 0 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 0.4 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 to 0.035 | |
| 0 to 0.010 |