EN 1.4123 Stainless Steel vs. Grey Cast Iron
Both EN 1.4123 stainless steel and grey cast iron are iron alloys. They have 82% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is EN 1.4123 stainless steel and the bottom bar is grey cast iron.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 220 to 250 | |
| 160 to 300 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 180 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 69 |
| Tensile Strength: Ultimate (UTS), MPa | 720 to 810 | |
| 160 to 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 280 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1380 |
| Melting Onset (Solidus), °C | 1410 | |
| 1180 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 490 |
| Thermal Conductivity, W/m-K | 23 | |
| 46 |
| Thermal Expansion, µm/m-K | 10 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.8 | |
| 8.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 1.9 |
| Density, g/cm3 | 7.7 | |
| 7.5 |
| Embodied Carbon, kg CO2/kg material | 4.2 | |
| 1.5 |
| Embodied Energy, MJ/kg | 62 | |
| 21 |
| Embodied Water, L/kg | 120 | |
| 44 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 26 to 29 | |
| 5.8 to 17 |
| Strength to Weight: Bending, points | 23 to 25 | |
| 8.7 to 17 |
| Thermal Diffusivity, mm2/s | 6.3 | |
| 13 |
| Thermal Shock Resistance, points | 26 to 29 | |
| 6.0 to 17 |
Alloy Composition
| Carbon (C), % | 0.35 to 0.5 | |
| 3.1 to 3.4 |
| Chromium (Cr), % | 14 to 16.5 | |
| 0 |
| Iron (Fe), % | 76.7 to 84.6 | |
| 92.1 to 93.9 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.5 to 0.7 |
| Molybdenum (Mo), % | 1.0 to 2.5 | |
| 0 |
| Nickel (Ni), % | 0 to 0.5 | |
| 0 |
| Nitrogen (N), % | 0.1 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.9 |
| Silicon (Si), % | 0 to 1.0 | |
| 2.5 to 2.8 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.15 |
| Vanadium (V), % | 0 to 1.5 | |
| 0 |