EN 1.6579 Steel vs. Grey Cast Iron
Both EN 1.6579 steel and grey cast iron are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is EN 1.6579 steel and the bottom bar is grey cast iron.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 260 to 290 | |
| 160 to 300 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 180 |
| Elongation at Break, % | 11 to 14 | |
| 9.6 |
| Fatigue Strength, MPa | 380 to 570 | |
| 69 to 170 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 69 |
| Tensile Strength: Ultimate (UTS), MPa | 850 to 980 | |
| 160 to 450 |
| Tensile Strength: Yield (Proof), MPa | 600 to 910 | |
| 98 to 290 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1380 |
| Melting Onset (Solidus), °C | 1410 | |
| 1180 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 490 |
| Thermal Conductivity, W/m-K | 39 | |
| 46 |
| Thermal Expansion, µm/m-K | 13 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.7 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.8 | |
| 8.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.7 | |
| 1.9 |
| Density, g/cm3 | 7.8 | |
| 7.5 |
| Embodied Carbon, kg CO2/kg material | 1.7 | |
| 1.5 |
| Embodied Energy, MJ/kg | 22 | |
| 21 |
| Embodied Water, L/kg | 56 | |
| 44 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 to 120 | |
| 13 to 37 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 950 to 2210 | |
| 27 to 240 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 30 to 35 | |
| 5.8 to 17 |
| Strength to Weight: Bending, points | 25 to 28 | |
| 8.7 to 17 |
| Thermal Diffusivity, mm2/s | 11 | |
| 13 |
| Thermal Shock Resistance, points | 25 to 29 | |
| 6.0 to 17 |
Alloy Composition
| Carbon (C), % | 0.32 to 0.38 | |
| 3.1 to 3.4 |
| Chromium (Cr), % | 1.4 to 1.7 | |
| 0 |
| Iron (Fe), % | 94.2 to 96.1 | |
| 92.1 to 93.9 |
| Manganese (Mn), % | 0.6 to 1.0 | |
| 0.5 to 0.7 |
| Molybdenum (Mo), % | 0.15 to 0.35 | |
| 0 |
| Nickel (Ni), % | 1.4 to 1.7 | |
| 0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.9 |
| Silicon (Si), % | 0 to 0.6 | |
| 2.5 to 2.8 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.15 |