Grade Ti-Pd8A Titanium vs. SAE-AISI S7 Steel
Grade Ti-Pd8A titanium belongs to the titanium alloys classification, while SAE-AISI S7 steel belongs to the iron 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 grade Ti-Pd8A titanium and the bottom bar is SAE-AISI S7 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 40 | |
| 74 |
| Tensile Strength: Ultimate (UTS), MPa | 500 | |
| 670 to 2030 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 260 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1460 |
| Melting Onset (Solidus), °C | 1610 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 470 |
| Thermal Conductivity, W/m-K | 21 | |
| 40 |
| Thermal Expansion, µm/m-K | 8.7 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.5 | |
| 7.8 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.9 | |
| 9.0 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 49 | |
| 2.3 |
| Embodied Energy, MJ/kg | 840 | |
| 31 |
| Embodied Water, L/kg | 520 | |
| 65 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 35 | |
| 25 |
| Strength to Weight: Axial, points | 31 | |
| 24 to 72 |
| Strength to Weight: Bending, points | 31 | |
| 22 to 46 |
| Thermal Diffusivity, mm2/s | 8.6 | |
| 11 |
| Thermal Shock Resistance, points | 39 | |
| 22 to 66 |
Alloy Composition
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| Carbon (C), % | 0 to 0.1 | |
| 0.45 to 0.55 |
| Chromium (Cr), % | 0 | |
| 3.0 to 3.5 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 91.6 to 94.9 |
| Manganese (Mn), % | 0 | |
| 0.2 to 0.9 |
| Molybdenum (Mo), % | 0 | |
| 1.3 to 1.8 |
| Nickel (Ni), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.4 | |
| 0 |
| Palladium (Pd), % | 0.12 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 | |
| 0.2 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Titanium (Ti), % | 98.8 to 99.9 | |
| 0 |
| Vanadium (V), % | 0 | |
| 0 to 0.3 |
| Residuals, % | 0 to 0.4 | |
| 0 |