Austempered Cast Iron vs. Titanium 15-3-3-3
Austempered cast iron belongs to the iron alloys classification, while titanium 15-3-3-3 belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is austempered cast iron and the bottom bar is titanium 15-3-3-3.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 100 |
| Elongation at Break, % | 1.1 to 13 | |
| 5.7 to 8.0 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 62 to 69 | |
| 39 |
| Tensile Strength: Ultimate (UTS), MPa | 860 to 1800 | |
| 1120 to 1390 |
| Tensile Strength: Yield (Proof), MPa | 560 to 1460 | |
| 1100 to 1340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 390 |
| Melting Completion (Liquidus), °C | 1380 | |
| 1620 |
| Melting Onset (Solidus), °C | 1340 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 520 |
| Thermal Conductivity, W/m-K | 42 | |
| 8.1 |
| Thermal Expansion, µm/m-K | 13 | |
| 9.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.9 | |
| 40 |
| Density, g/cm3 | 7.5 | |
| 4.8 |
| Embodied Carbon, kg CO2/kg material | 1.8 | |
| 59 |
| Embodied Energy, MJ/kg | 25 | |
| 950 |
| Embodied Water, L/kg | 48 | |
| 260 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 19 to 95 | |
| 78 to 89 |
| Stiffness to Weight: Axial, points | 13 | |
| 12 |
| Stiffness to Weight: Bending, points | 25 | |
| 32 |
| Strength to Weight: Axial, points | 32 to 66 | |
| 64 to 80 |
| Strength to Weight: Bending, points | 27 to 44 | |
| 50 to 57 |
| Thermal Diffusivity, mm2/s | 11 | |
| 3.2 |
| Thermal Shock Resistance, points | 25 to 53 | |
| 79 to 98 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.050 | |
| 2.5 to 3.5 |
| Arsenic (As), % | 0 to 0.020 | |
| 0 |
| Carbon (C), % | 3.4 to 3.8 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 to 0.1 | |
| 2.5 to 3.5 |
| Copper (Cu), % | 0 to 0.8 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 89.6 to 94 | |
| 0 to 0.25 |
| Magnesium (Mg), % | 0 to 0.040 | |
| 0 |
| Manganese (Mn), % | 0.3 to 0.4 | |
| 0 |
| Molybdenum (Mo), % | 0 to 0.3 | |
| 0 |
| Nickel (Ni), % | 0 to 2.0 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.13 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Selenium (Se), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 2.3 to 2.7 | |
| 0 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 |
| Tin (Sn), % | 0 to 0.020 | |
| 2.5 to 3.5 |
| Titanium (Ti), % | 0 | |
| 72.6 to 78.5 |
| Vanadium (V), % | 0 to 0.1 | |
| 14 to 16 |
| Residuals, % | 0 | |
| 0 to 0.4 |