AWS ERTi-1 vs. A444.0 Aluminum
AWS ERTi-1 belongs to the titanium alloys classification, while A444.0 aluminum belongs to the aluminum alloys.
For each property being compared, the top bar is AWS ERTi-1 and the bottom bar is A444.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 70 |
| Elongation at Break, % | 24 | |
| 18 |
| Fatigue Strength, MPa | 120 | |
| 37 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 41 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 240 | |
| 160 |
| Tensile Strength: Yield (Proof), MPa | 170 | |
| 66 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 500 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 170 |
| Melting Completion (Liquidus), °C | 1670 | |
| 630 |
| Melting Onset (Solidus), °C | 1620 | |
| 590 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 900 |
| Thermal Conductivity, W/m-K | 21 | |
| 160 |
| Thermal Expansion, µm/m-K | 8.7 | |
| 22 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.6 | |
| 41 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.1 | |
| 140 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 9.5 |
| Density, g/cm3 | 4.5 | |
| 2.6 |
| Embodied Carbon, kg CO2/kg material | 31 | |
| 7.9 |
| Embodied Energy, MJ/kg | 510 | |
| 150 |
| Embodied Water, L/kg | 110 | |
| 1110 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 52 | |
| 24 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 | |
| 31 |
| Stiffness to Weight: Axial, points | 13 | |
| 15 |
| Stiffness to Weight: Bending, points | 35 | |
| 53 |
| Strength to Weight: Axial, points | 15 | |
| 17 |
| Strength to Weight: Bending, points | 19 | |
| 25 |
| Thermal Diffusivity, mm2/s | 8.7 | |
| 68 |
| Thermal Shock Resistance, points | 19 | |
| 7.3 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 91.6 to 93.5 |
| Carbon (C), % | 0 to 0.030 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.1 |
| Hydrogen (H), % | 0 to 0.0050 | |
| 0 |
| Iron (Fe), % | 0 to 0.080 | |
| 0 to 0.2 |
| Magnesium (Mg), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 | |
| 0 to 0.1 |
| Nitrogen (N), % | 0 to 0.012 | |
| 0 |
| Oxygen (O), % | 0.030 to 0.1 | |
| 0 |
| Silicon (Si), % | 0 | |
| 6.5 to 7.5 |
| Titanium (Ti), % | 99.773 to 99.97 | |
| 0 to 0.2 |
| Zinc (Zn), % | 0 | |
| 0 to 0.1 |
| Residuals, % | 0 | |
| 0 to 0.15 |