EN 1.4020 Stainless Steel vs. Ductile Cast Iron
Both EN 1.4020 stainless steel and ductile cast iron are iron alloys. They have 68% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is EN 1.4020 stainless steel and the bottom bar is ductile cast iron.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 340 | |
| 160 to 310 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 170 to 180 |
| Elongation at Break, % | 13 to 34 | |
| 2.1 to 20 |
| Poisson's Ratio | 0.28 | |
| 0.28 to 0.31 |
| Shear Modulus, GPa | 77 | |
| 64 to 70 |
| Shear Strength, MPa | 510 to 680 | |
| 420 to 800 |
| Tensile Strength: Ultimate (UTS), MPa | 770 to 1130 | |
| 460 to 920 |
| Tensile Strength: Yield (Proof), MPa | 430 to 950 | |
| 310 to 670 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 890 | |
| 290 |
| Melting Completion (Liquidus), °C | 1390 | |
| 1160 |
| Melting Onset (Solidus), °C | 1350 | |
| 1120 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 490 |
| Thermal Expansion, µm/m-K | 17 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 1.9 |
| Density, g/cm3 | 7.6 | |
| 7.1 to 7.5 |
| Embodied Carbon, kg CO2/kg material | 2.5 | |
| 1.5 |
| Embodied Energy, MJ/kg | 37 | |
| 21 |
| Embodied Water, L/kg | 150 | |
| 43 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 220 | |
| 17 to 80 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 2290 | |
| 280 to 1330 |
| Stiffness to Weight: Axial, points | 14 | |
| 12 to 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 to 26 |
| Strength to Weight: Axial, points | 28 to 41 | |
| 17 to 35 |
| Strength to Weight: Bending, points | 25 to 32 | |
| 18 to 29 |
| Thermal Shock Resistance, points | 16 to 23 | |
| 17 to 35 |
Alloy Composition
| Carbon (C), % | 0 to 0.15 | |
| 3.0 to 3.5 |
| Chromium (Cr), % | 16.5 to 19 | |
| 0 |
| Iron (Fe), % | 62.8 to 71.8 | |
| 93.7 to 95.5 |
| Manganese (Mn), % | 11 to 14 | |
| 0 |
| Nickel (Ni), % | 0.5 to 2.5 | |
| 0 |
| Nitrogen (N), % | 0.2 to 0.45 | |
| 0 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.080 |
| Silicon (Si), % | 0 to 1.0 | |
| 1.5 to 2.8 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |