AWS ERTi-12 vs. Titanium 15-3-3-3
Both AWS ERTi-12 and titanium 15-3-3-3 are titanium alloys. They have 76% of their average alloy composition in common. 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-12 and the bottom bar is titanium 15-3-3-3.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Elongation at Break, % | 12 | |
| 5.7 to 8.0 |
| Fatigue Strength, MPa | 200 | |
| 610 to 710 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 41 | |
| 39 |
| Tensile Strength: Ultimate (UTS), MPa | 480 | |
| 1120 to 1390 |
| Tensile Strength: Yield (Proof), MPa | 340 | |
| 1100 to 1340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 430 |
| Melting Completion (Liquidus), °C | 1670 | |
| 1620 |
| Melting Onset (Solidus), °C | 1620 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 520 |
| Thermal Conductivity, W/m-K | 21 | |
| 8.1 |
| Thermal Expansion, µm/m-K | 8.7 | |
| 9.8 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.6 | |
| 1.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.1 | |
| 2.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 40 |
| Density, g/cm3 | 4.5 | |
| 4.8 |
| Embodied Carbon, kg CO2/kg material | 31 | |
| 59 |
| Embodied Energy, MJ/kg | 510 | |
| 950 |
| Embodied Water, L/kg | 110 | |
| 260 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 52 | |
| 78 to 89 |
| Stiffness to Weight: Axial, points | 13 | |
| 12 |
| Stiffness to Weight: Bending, points | 35 | |
| 32 |
| Strength to Weight: Axial, points | 30 | |
| 64 to 80 |
| Strength to Weight: Bending, points | 30 | |
| 50 to 57 |
| Thermal Diffusivity, mm2/s | 8.7 | |
| 3.2 |
| Thermal Shock Resistance, points | 37 | |
| 79 to 98 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 | |
| 2.5 to 3.5 |
| Hydrogen (H), % | 0 to 0.0080 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.15 | |
| 0 to 0.25 |
| Molybdenum (Mo), % | 0.2 to 0.4 | |
| 0 |
| Nickel (Ni), % | 0.060 to 0.090 | |
| 0 |
| Nitrogen (N), % | 0 to 0.015 | |
| 0 to 0.050 |
| Oxygen (O), % | 0.080 to 0.16 | |
| 0 to 0.13 |
| Tin (Sn), % | 0 | |
| 2.5 to 3.5 |
| Titanium (Ti), % | 99.147 to 99.66 | |
| 72.6 to 78.5 |
| Vanadium (V), % | 0 | |
| 14 to 16 |
| Residuals, % | 0 | |
| 0 to 0.4 |