Grade Ti-Pd17 Titanium vs. Grade Ti-Pd8A Titanium
Both grade Ti-Pd17 titanium and grade Ti-Pd8A titanium are titanium alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. Their average alloy composition is basically identical.
For each property being compared, the top bar is grade Ti-Pd17 titanium and the bottom bar is grade Ti-Pd8A titanium.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 200 | |
200 |
Elastic (Young's, Tensile) Modulus, GPa | 110 | |
110 |
Elongation at Break, % | 22 | |
13 |
Fatigue Strength, MPa | 140 | |
260 |
Poisson's Ratio | 0.32 | |
0.32 |
Rockwell C Hardness | 21 | |
21 |
Shear Modulus, GPa | 40 | |
40 |
Tensile Strength: Ultimate (UTS), MPa | 270 | |
500 |
Tensile Strength: Yield (Proof), MPa | 190 | |
430 |
Thermal Properties
Latent Heat of Fusion, J/g | 420 | |
420 |
Maximum Temperature: Mechanical, °C | 320 | |
320 |
Melting Completion (Liquidus), °C | 1660 | |
1660 |
Melting Onset (Solidus), °C | 1610 | |
1610 |
Specific Heat Capacity, J/kg-K | 540 | |
540 |
Thermal Conductivity, W/m-K | 21 | |
21 |
Thermal Expansion, µm/m-K | 8.7 | |
8.7 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 3.6 | |
3.5 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 7.1 | |
6.9 |
Otherwise Unclassified Properties
Density, g/cm3 | 4.5 | |
4.5 |
Embodied Carbon, kg CO2/kg material | 36 | |
49 |
Embodied Energy, MJ/kg | 600 | |
840 |
Embodied Water, L/kg | 230 | |
520 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 55 | |
65 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 | |
880 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 35 | |
35 |
Strength to Weight: Axial, points | 17 | |
31 |
Strength to Weight: Bending, points | 21 | |
31 |
Thermal Diffusivity, mm2/s | 8.8 | |
8.6 |
Thermal Shock Resistance, points | 21 | |
39 |
Alloy Composition
Carbon (C), % | 0 to 0.1 | |
0 to 0.1 |
Hydrogen (H), % | 0 to 0.015 | |
0 to 0.015 |
Iron (Fe), % | 0 to 0.2 | |
0 to 0.25 |
Nickel (Ni), % | 0 to 0.030 | |
0 to 0.050 |
Oxygen (O), % | 0 to 0.25 | |
0 to 0.4 |
Palladium (Pd), % | 0.040 to 0.080 | |
0.12 to 0.3 |
Titanium (Ti), % | 98.9 to 99.96 | |
98.8 to 99.9 |
Residuals, % | 0 | |
0 to 0.4 |