Grade Ti-Pd8A Titanium vs. SAE-AISI 1140 Steel
Grade Ti-Pd8A titanium belongs to the titanium alloys classification, while SAE-AISI 1140 steel belongs to the iron alloys. There are 29 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 grade Ti-Pd8A titanium and the bottom bar is SAE-AISI 1140 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 | |
| 170 to 180 |
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 13 | |
| 14 to 18 |
| Fatigue Strength, MPa | 260 | |
| 230 to 370 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 40 | |
| 72 |
| Tensile Strength: Ultimate (UTS), MPa | 500 | |
| 600 to 700 |
| Tensile Strength: Yield (Proof), MPa | 430 | |
| 340 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 400 |
| 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 | |
| 51 |
| Thermal Expansion, µm/m-K | 8.7 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.5 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.9 | |
| 8.1 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 49 | |
| 1.4 |
| Embodied Energy, MJ/kg | 840 | |
| 18 |
| Embodied Water, L/kg | 520 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 65 | |
| 89 to 93 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 880 | |
| 310 to 870 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 31 | |
| 21 to 25 |
| Strength to Weight: Bending, points | 31 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 8.6 | |
| 14 |
| Thermal Shock Resistance, points | 39 | |
| 18 to 21 |
Alloy Composition
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| Carbon (C), % | 0 to 0.1 | |
| 0.37 to 0.44 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 98.4 to 98.9 |
| Manganese (Mn), % | 0 | |
| 0.7 to 1.0 |
| 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 0.040 |
| Sulfur (S), % | 0 | |
| 0.080 to 0.13 |
| Titanium (Ti), % | 98.8 to 99.9 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |