ASTM A216 Cast Steel vs. Grade 23 Titanium
ASTM A216 cast steel belongs to the iron alloys classification, while grade 23 titanium belongs to the titanium 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 ASTM A216 cast steel and the bottom bar is grade 23 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 25 to 27 | |
| 6.7 to 11 |
| Fatigue Strength, MPa | 170 to 230 | |
| 470 to 500 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Reduction in Area, % | 39 | |
| 30 |
| Shear Modulus, GPa | 72 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 500 to 570 | |
| 930 to 940 |
| Tensile Strength: Yield (Proof), MPa | 230 to 310 | |
| 850 to 870 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 340 |
| Melting Completion (Liquidus), °C | 1450 to 1460 | |
| 1610 |
| Melting Onset (Solidus), °C | 1410 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 560 |
| Thermal Conductivity, W/m-K | 49 to 52 | |
| 7.1 |
| Thermal Expansion, µm/m-K | 12 | |
| 9.4 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 to 7.2 | |
| 1.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 to 8.3 | |
| 2.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 36 |
| Density, g/cm3 | 7.8 | |
| 4.4 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 38 |
| Embodied Energy, MJ/kg | 18 | |
| 610 |
| Embodied Water, L/kg | 45 | |
| 200 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 61 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 250 | |
| 3430 to 3560 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 35 |
| Strength to Weight: Axial, points | 18 to 20 | |
| 58 to 59 |
| Strength to Weight: Bending, points | 18 to 20 | |
| 48 |
| Thermal Diffusivity, mm2/s | 13 to 14 | |
| 2.9 |
| Thermal Shock Resistance, points | 16 to 18 | |
| 67 to 68 |