Ductile Cast Iron vs. ASTM A514 Steel
Both ductile cast iron and ASTM A514 steel are iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is ductile cast iron and the bottom bar is ASTM A514 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 160 to 310 | |
| 240 to 250 |
| Elastic (Young's, Tensile) Modulus, GPa | 170 to 180 | |
| 190 |
| Elongation at Break, % | 2.1 to 20 | |
| 18 to 21 |
| Poisson's Ratio | 0.28 to 0.31 | |
| 0.29 |
| Shear Modulus, GPa | 64 to 70 | |
| 73 |
| Shear Strength, MPa | 420 to 800 | |
| 490 to 520 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 920 | |
| 790 to 830 |
| Tensile Strength: Yield (Proof), MPa | 310 to 670 | |
| 690 to 770 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 250 to 260 |
| Maximum Temperature: Mechanical, °C | 290 | |
| 400 to 440 |
| Melting Completion (Liquidus), °C | 1160 | |
| 1460 |
| Melting Onset (Solidus), °C | 1120 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 470 |
| Thermal Conductivity, W/m-K | 31 to 36 | |
| 37 to 51 |
| Thermal Expansion, µm/m-K | 11 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
| 7.2 to 7.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.8 to 9.4 | |
| 8.3 to 8.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 2.3 to 3.8 |
| Density, g/cm3 | 7.1 to 7.5 | |
| 7.8 to 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.6 to 1.8 |
| Embodied Energy, MJ/kg | 21 | |
| 21 to 25 |
| Embodied Water, L/kg | 43 | |
| 48 to 57 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 17 to 80 | |
| 140 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 280 to 1330 | |
| 1280 to 1590 |
| Stiffness to Weight: Axial, points | 12 to 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 to 26 | |
| 24 |
| Strength to Weight: Axial, points | 17 to 35 | |
| 28 to 29 |
| Strength to Weight: Bending, points | 18 to 29 | |
| 24 to 25 |
| Thermal Diffusivity, mm2/s | 8.9 to 10 | |
| 10 to 14 |
| Thermal Shock Resistance, points | 17 to 35 | |
| 23 to 24 |