Austenitic Nodular Cast Iron vs. ASTM B780 Alloy
Austenitic nodular cast iron belongs to the iron alloys classification, while ASTM B780 alloy belongs to the otherwise unclassified metals. There are 14 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is austenitic nodular cast iron and the bottom bar is ASTM B780 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 180 to 190 | |
| 83 |
| Elongation at Break, % | 6.8 to 34 | |
| 1.1 to 9.1 |
| Poisson's Ratio | 0.29 to 0.3 | |
| 0.36 |
| Shear Modulus, GPa | 70 to 72 | |
| 30 |
| Tensile Strength: Ultimate (UTS), MPa | 430 to 500 | |
| 330 to 590 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 to 350 | |
| 140 |
| Specific Heat Capacity, J/kg-K | 470 to 490 | |
| 270 |
| Thermal Expansion, µm/m-K | 13 to 14 | |
| 18 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.7 to 8.0 | |
| 10 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 4.5 |
| Stiffness to Weight: Bending, points | 24 to 25 | |
| 14 |
| Strength to Weight: Axial, points | 15 to 18 | |
| 9.1 to 16 |
| Strength to Weight: Bending, points | 16 to 18 | |
| 11 to 15 |
| Thermal Shock Resistance, points | 12 to 15 | |
| 16 to 29 |