7049 Aluminum vs. AWS ERTi-12
7049 aluminum belongs to the aluminum alloys classification, while AWS ERTi-12 belongs to the titanium alloys. There are 29 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 7049 aluminum and the bottom bar is AWS ERTi-12.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 110 |
| Elongation at Break, % | 6.2 to 7.0 | |
| 12 |
| Fatigue Strength, MPa | 160 to 170 | |
| 200 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 27 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 510 to 530 | |
| 480 |
| Tensile Strength: Yield (Proof), MPa | 420 to 450 | |
| 340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 320 |
| Melting Completion (Liquidus), °C | 640 | |
| 1670 |
| Melting Onset (Solidus), °C | 480 | |
| 1620 |
| Specific Heat Capacity, J/kg-K | 860 | |
| 540 |
| Thermal Conductivity, W/m-K | 130 | |
| 21 |
| Thermal Expansion, µm/m-K | 23 | |
| 8.7 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 36 | |
| 3.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 7.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 37 |
| Density, g/cm3 | 3.1 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 8.1 | |
| 31 |
| Embodied Energy, MJ/kg | 140 | |
| 510 |
| Embodied Water, L/kg | 1110 | |
| 110 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 31 to 34 | |
| 52 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1270 to 1440 | |
| 550 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 45 | |
| 35 |
| Strength to Weight: Axial, points | 46 to 47 | |
| 30 |
| Strength to Weight: Bending, points | 46 to 47 | |
| 30 |
| Thermal Diffusivity, mm2/s | 51 | |
| 8.7 |
| Thermal Shock Resistance, points | 22 to 23 | |
| 37 |
Alloy Composition
| Aluminum (Al), % | 85.7 to 89.5 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0.1 to 0.22 | |
| 0 |
| Copper (Cu), % | 1.2 to 1.9 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0080 |
| Iron (Fe), % | 0 to 0.35 | |
| 0 to 0.15 |
| Magnesium (Mg), % | 2.0 to 2.9 | |
| 0 |
| Manganese (Mn), % | 0 to 0.2 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 0.2 to 0.4 |
| Nickel (Ni), % | 0 | |
| 0.060 to 0.090 |
| Nitrogen (N), % | 0 | |
| 0 to 0.015 |
| Oxygen (O), % | 0 | |
| 0.080 to 0.16 |
| Silicon (Si), % | 0 to 0.25 | |
| 0 |
| Titanium (Ti), % | 0 to 0.1 | |
| 99.147 to 99.66 |
| Zinc (Zn), % | 7.2 to 8.2 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |