AWS ERTi-7 vs. Grade Ti-Pd8A Titanium
Both AWS ERTi-7 and grade Ti-Pd8A titanium are titanium alloys. Their average alloy composition is basically identical. There are 28 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 AWS ERTi-7 and the bottom bar is grade Ti-Pd8A titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 20 | |
| 13 |
| Fatigue Strength, MPa | 190 | |
| 260 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 40 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 340 | |
| 500 |
| Tensile Strength: Yield (Proof), MPa | 280 | |
| 430 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 320 |
| Melting Completion (Liquidus), °C | 1670 | |
| 1660 |
| Melting Onset (Solidus), °C | 1620 | |
| 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 | 7.3 | |
| 6.9 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 47 | |
| 49 |
| Embodied Energy, MJ/kg | 800 | |
| 840 |
| Embodied Water, L/kg | 470 | |
| 520 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 64 | |
| 65 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 360 | |
| 880 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 35 |
| Strength to Weight: Axial, points | 21 | |
| 31 |
| Strength to Weight: Bending, points | 24 | |
| 31 |
| Thermal Diffusivity, mm2/s | 8.8 | |
| 8.6 |
| Thermal Shock Resistance, points | 26 | |
| 39 |
Alloy Composition
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| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.1 |
| Hydrogen (H), % | 0 to 0.0080 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.12 | |
| 0 to 0.25 |
| Nickel (Ni), % | 0 | |
| 0 to 0.050 |
| Nitrogen (N), % | 0 to 0.015 | |
| 0 |
| Oxygen (O), % | 0.080 to 0.16 | |
| 0 to 0.4 |
| Palladium (Pd), % | 0.12 to 0.25 | |
| 0.12 to 0.3 |
| Titanium (Ti), % | 99.417 to 99.8 | |
| 98.8 to 99.9 |
| Residuals, % | 0 | |
| 0 to 0.4 |