A356.0 Aluminum vs. 7049 Aluminum
Both A356.0 aluminum and 7049 aluminum are aluminum alloys. They have 89% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is A356.0 aluminum and the bottom bar is 7049 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 70 |
| Elongation at Break, % | 3.0 to 6.0 | |
| 6.2 to 7.0 |
| Fatigue Strength, MPa | 50 to 90 | |
| 160 to 170 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 26 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 160 to 270 | |
| 510 to 530 |
| Tensile Strength: Yield (Proof), MPa | 83 to 200 | |
| 420 to 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 500 | |
| 370 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 180 |
| Melting Completion (Liquidus), °C | 610 | |
| 640 |
| Melting Onset (Solidus), °C | 570 | |
| 480 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 860 |
| Thermal Conductivity, W/m-K | 150 | |
| 130 |
| Thermal Expansion, µm/m-K | 21 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 40 | |
| 36 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 140 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 10 |
| Density, g/cm3 | 2.6 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 8.1 |
| Embodied Energy, MJ/kg | 150 | |
| 140 |
| Embodied Water, L/kg | 1110 | |
| 1110 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.8 to 15 | |
| 31 to 34 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 49 to 300 | |
| 1270 to 1440 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 53 | |
| 45 |
| Strength to Weight: Axial, points | 17 to 29 | |
| 46 to 47 |
| Strength to Weight: Bending, points | 25 to 36 | |
| 46 to 47 |
| Thermal Diffusivity, mm2/s | 64 | |
| 51 |
| Thermal Shock Resistance, points | 7.6 to 13 | |
| 22 to 23 |
Alloy Composition
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| Aluminum (Al), % | 91.1 to 93.3 | |
| 85.7 to 89.5 |
| Chromium (Cr), % | 0 | |
| 0.1 to 0.22 |
| Copper (Cu), % | 0 to 0.2 | |
| 1.2 to 1.9 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.35 |
| Magnesium (Mg), % | 0.25 to 0.45 | |
| 2.0 to 2.9 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 to 0.2 |
| Silicon (Si), % | 6.5 to 7.5 | |
| 0 to 0.25 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 to 0.1 | |
| 7.2 to 8.2 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |