Ductile Cast Iron vs. S46500 Stainless Steel
Both ductile cast iron and S46500 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is ductile cast iron and the bottom bar is S46500 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 170 to 180 | |
| 190 |
| Elongation at Break, % | 2.1 to 20 | |
| 2.3 to 14 |
| Poisson's Ratio | 0.28 to 0.31 | |
| 0.28 |
| Shear Modulus, GPa | 64 to 70 | |
| 75 |
| Shear Strength, MPa | 420 to 800 | |
| 730 to 1120 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 920 | |
| 1260 to 1930 |
| Tensile Strength: Yield (Proof), MPa | 310 to 670 | |
| 1120 to 1810 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 290 | |
| 780 |
| Melting Completion (Liquidus), °C | 1160 | |
| 1450 |
| Melting Onset (Solidus), °C | 1120 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 470 |
| Thermal Expansion, µm/m-K | 11 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 15 |
| Density, g/cm3 | 7.1 to 7.5 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 3.6 |
| Embodied Energy, MJ/kg | 21 | |
| 51 |
| Embodied Water, L/kg | 43 | |
| 120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 17 to 80 | |
| 43 to 210 |
| Stiffness to Weight: Axial, points | 12 to 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 to 26 | |
| 25 |
| Strength to Weight: Axial, points | 17 to 35 | |
| 44 to 68 |
| Strength to Weight: Bending, points | 18 to 29 | |
| 33 to 44 |
| Thermal Shock Resistance, points | 17 to 35 | |
| 44 to 67 |
Alloy Composition
| Carbon (C), % | 3.0 to 3.5 | |
| 0 to 0.020 |
| Chromium (Cr), % | 0 | |
| 11 to 12.5 |
| Iron (Fe), % | 93.7 to 95.5 | |
| 72.6 to 76.1 |
| Manganese (Mn), % | 0 | |
| 0 to 0.25 |
| Molybdenum (Mo), % | 0 | |
| 0.75 to 1.3 |
| Nickel (Ni), % | 0 | |
| 10.7 to 11.3 |
| Nitrogen (N), % | 0 | |
| 0 to 0.010 |
| Phosphorus (P), % | 0 to 0.080 | |
| 0 to 0.015 |
| Silicon (Si), % | 1.5 to 2.8 | |
| 0 to 0.25 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 | |
| 1.5 to 1.8 |