Austenitic Nodular Cast Iron vs. Grade 18 Titanium
Austenitic nodular cast iron belongs to the iron alloys classification, while grade 18 titanium belongs to the titanium alloys. There are 22 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 austenitic nodular cast iron and the bottom bar is grade 18 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 180 to 190 | |
| 110 |
| Elongation at Break, % | 6.8 to 34 | |
| 11 to 17 |
| Poisson's Ratio | 0.29 to 0.3 | |
| 0.32 |
| Shear Modulus, GPa | 70 to 72 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 430 to 500 | |
| 690 to 980 |
| Tensile Strength: Yield (Proof), MPa | 190 to 240 | |
| 540 to 810 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 to 350 | |
| 410 |
| Melting Completion (Liquidus), °C | 1340 to 1400 | |
| 1640 |
| Melting Onset (Solidus), °C | 1300 to 1360 | |
| 1590 |
| Specific Heat Capacity, J/kg-K | 470 to 490 | |
| 550 |
| Thermal Expansion, µm/m-K | 13 to 14 | |
| 9.9 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.7 to 8.0 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 3.5 to 4.9 | |
| 41 |
| Embodied Energy, MJ/kg | 48 to 68 | |
| 670 |
| Embodied Water, L/kg | 91 to 120 | |
| 270 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 24 to 140 | |
| 87 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 98 to 160 | |
| 1380 to 3110 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 to 25 | |
| 35 |
| Strength to Weight: Axial, points | 15 to 18 | |
| 43 to 61 |
| Strength to Weight: Bending, points | 16 to 18 | |
| 39 to 49 |
| Thermal Shock Resistance, points | 12 to 15 | |
| 47 to 67 |