8079 Aluminum vs. AWS ERTi-1
8079 aluminum belongs to the aluminum alloys classification, while AWS ERTi-1 belongs to the titanium alloys.
For each property being compared, the top bar is 8079 aluminum and the bottom bar is AWS ERTi-1.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 110 |
| Elongation at Break, % | 2.2 | |
| 24 |
| Fatigue Strength, MPa | 56 | |
| 120 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 26 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 150 | |
| 240 |
| Tensile Strength: Yield (Proof), MPa | 120 | |
| 170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 320 |
| Melting Completion (Liquidus), °C | 650 | |
| 1670 |
| Melting Onset (Solidus), °C | 640 | |
| 1620 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 540 |
| Thermal Conductivity, W/m-K | 230 | |
| 21 |
| Thermal Expansion, µm/m-K | 23 | |
| 8.7 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 58 | |
| 3.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 190 | |
| 7.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.0 | |
| 37 |
| Density, g/cm3 | 2.8 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 31 |
| Embodied Energy, MJ/kg | 150 | |
| 510 |
| Embodied Water, L/kg | 1180 | |
| 110 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 3.1 | |
| 52 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 | |
| 140 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 50 | |
| 35 |
| Strength to Weight: Axial, points | 15 | |
| 15 |
| Strength to Weight: Bending, points | 22 | |
| 19 |
| Thermal Diffusivity, mm2/s | 92 | |
| 8.7 |
| Thermal Shock Resistance, points | 6.4 | |
| 19 |
Alloy Composition
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| Aluminum (Al), % | 98.1 to 99.3 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.030 |
| Copper (Cu), % | 0 to 0.050 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0050 |
| Iron (Fe), % | 0.7 to 1.3 | |
| 0 to 0.080 |
| Nitrogen (N), % | 0 | |
| 0 to 0.012 |
| Oxygen (O), % | 0 | |
| 0.030 to 0.1 |
| Silicon (Si), % | 0.050 to 0.3 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 99.773 to 99.97 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |