324.0 Aluminum vs. AWS ERTi-12
324.0 aluminum belongs to the aluminum alloys classification, while AWS ERTi-12 belongs to the titanium alloys.
For each property being compared, the top bar is 324.0 aluminum and the bottom bar is AWS ERTi-12.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 110 |
| Elongation at Break, % | 3.0 to 4.0 | |
| 12 |
| Fatigue Strength, MPa | 77 to 89 | |
| 200 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 27 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 210 to 310 | |
| 480 |
| Tensile Strength: Yield (Proof), MPa | 110 to 270 | |
| 340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 500 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 320 |
| Melting Completion (Liquidus), °C | 610 | |
| 1670 |
| Melting Onset (Solidus), °C | 550 | |
| 1620 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 540 |
| Thermal Conductivity, W/m-K | 150 | |
| 21 |
| Thermal Expansion, µm/m-K | 21 | |
| 8.7 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 34 | |
| 3.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 7.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 37 |
| Density, g/cm3 | 2.7 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 7.9 | |
| 31 |
| Embodied Energy, MJ/kg | 150 | |
| 510 |
| Embodied Water, L/kg | 1090 | |
| 110 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 6.8 to 8.9 | |
| 52 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 85 to 510 | |
| 550 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 52 | |
| 35 |
| Strength to Weight: Axial, points | 22 to 32 | |
| 30 |
| Strength to Weight: Bending, points | 29 to 38 | |
| 30 |
| Thermal Diffusivity, mm2/s | 62 | |
| 8.7 |
| Thermal Shock Resistance, points | 9.7 to 14 | |
| 37 |
Alloy Composition
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| Aluminum (Al), % | 87.3 to 92.2 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.030 |
| Copper (Cu), % | 0.4 to 0.6 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0080 |
| Iron (Fe), % | 0 to 1.2 | |
| 0 to 0.15 |
| Magnesium (Mg), % | 0.4 to 0.7 | |
| 0 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 0.2 to 0.4 |
| Nickel (Ni), % | 0 to 0.3 | |
| 0.060 to 0.090 |
| Nitrogen (N), % | 0 | |
| 0 to 0.015 |
| Oxygen (O), % | 0 | |
| 0.080 to 0.16 |
| Silicon (Si), % | 7.0 to 8.0 | |
| 0 |
| Titanium (Ti), % | 0 to 0.2 | |
| 99.147 to 99.66 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.2 | |
| 0 |