ASTM A148 Cast Steel vs. Titanium 15-3-3-3
ASTM A148 cast steel belongs to the iron alloys classification, while titanium 15-3-3-3 belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is ASTM A148 cast steel and the bottom bar is titanium 15-3-3-3.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 100 |
| Elongation at Break, % | 5.7 to 25 | |
| 5.7 to 8.0 |
| Fatigue Strength, MPa | 280 to 670 | |
| 610 to 710 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 73 | |
| 39 |
| Tensile Strength: Ultimate (UTS), MPa | 630 to 1300 | |
| 1120 to 1390 |
| Tensile Strength: Yield (Proof), MPa | 390 to 1160 | |
| 1100 to 1340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 400 to 430 | |
| 430 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1620 |
| Melting Onset (Solidus), °C | 1420 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 520 |
| Thermal Conductivity, W/m-K | 37 to 47 | |
| 8.1 |
| Thermal Expansion, µm/m-K | 13 | |
| 9.8 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 to 7.5 | |
| 1.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 to 8.6 | |
| 2.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.3 to 3.3 | |
| 40 |
| Density, g/cm3 | 7.8 | |
| 4.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 1.7 | |
| 59 |
| Embodied Energy, MJ/kg | 20 to 22 | |
| 950 |
| Embodied Water, L/kg | 48 to 53 | |
| 260 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 150 | |
| 78 to 89 |
| Stiffness to Weight: Axial, points | 13 | |
| 12 |
| Stiffness to Weight: Bending, points | 24 | |
| 32 |
| Strength to Weight: Axial, points | 22 to 46 | |
| 64 to 80 |
| Strength to Weight: Bending, points | 21 to 34 | |
| 50 to 57 |
| Thermal Diffusivity, mm2/s | 9.9 to 13 | |
| 3.2 |
| Thermal Shock Resistance, points | 18 to 38 | |
| 79 to 98 |