Grey Cast Iron vs. EN 1.6368 Steel
Both grey cast iron and EN 1.6368 steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is grey cast iron and the bottom bar is EN 1.6368 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 160 to 300 | |
| 200 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 190 |
| Elongation at Break, % | 9.6 | |
| 18 |
| Fatigue Strength, MPa | 69 to 170 | |
| 310 to 330 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 69 | |
| 73 |
| Shear Strength, MPa | 180 to 610 | |
| 410 to 430 |
| Tensile Strength: Ultimate (UTS), MPa | 160 to 450 | |
| 660 to 690 |
| Tensile Strength: Yield (Proof), MPa | 98 to 290 | |
| 460 to 490 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Melting Completion (Liquidus), °C | 1380 | |
| 1460 |
| Melting Onset (Solidus), °C | 1180 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 470 |
| Thermal Conductivity, W/m-K | 46 | |
| 40 |
| Thermal Expansion, µm/m-K | 11 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
| 7.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.9 | |
| 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 3.4 |
| Density, g/cm3 | 7.5 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.7 |
| Embodied Energy, MJ/kg | 21 | |
| 22 |
| Embodied Water, L/kg | 44 | |
| 53 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 37 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 27 to 240 | |
| 580 to 650 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 5.8 to 17 | |
| 23 to 24 |
| Strength to Weight: Bending, points | 8.7 to 17 | |
| 21 to 22 |
| Thermal Diffusivity, mm2/s | 13 | |
| 11 |
| Thermal Shock Resistance, points | 6.0 to 17 | |
| 20 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0.015 to 0.040 |
| Carbon (C), % | 3.1 to 3.4 | |
| 0 to 0.17 |
| Chromium (Cr), % | 0 | |
| 0 to 0.3 |
| Copper (Cu), % | 0 | |
| 0.5 to 0.8 |
| Iron (Fe), % | 92.1 to 93.9 | |
| 95.1 to 97.2 |
| Manganese (Mn), % | 0.5 to 0.7 | |
| 0.8 to 1.2 |
| Molybdenum (Mo), % | 0 | |
| 0.25 to 0.5 |
| Nickel (Ni), % | 0 | |
| 1.0 to 1.3 |
| Niobium (Nb), % | 0 | |
| 0.015 to 0.045 |
| Nitrogen (N), % | 0 | |
| 0 to 0.020 |
| Phosphorus (P), % | 0 to 0.9 | |
| 0 to 0.025 |
| Silicon (Si), % | 2.5 to 2.8 | |
| 0.25 to 0.5 |
| Sulfur (S), % | 0 to 0.15 | |
| 0 to 0.010 |