7049 Aluminum vs. EN-MC95310 Magnesium
7049 aluminum belongs to the aluminum alloys classification, while EN-MC95310 magnesium belongs to the magnesium alloys.
For each property being compared, the top bar is 7049 aluminum and the bottom bar is EN-MC95310 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 140 | |
| 85 |
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 45 |
| Elongation at Break, % | 6.2 to 7.0 | |
| 2.2 |
| Fatigue Strength, MPa | 160 to 170 | |
| 110 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 27 | |
| 17 |
| Shear Strength, MPa | 300 to 310 | |
| 160 |
| Tensile Strength: Ultimate (UTS), MPa | 510 to 530 | |
| 280 |
| Tensile Strength: Yield (Proof), MPa | 420 to 450 | |
| 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 170 |
| Melting Completion (Liquidus), °C | 640 | |
| 650 |
| Melting Onset (Solidus), °C | 480 | |
| 540 |
| Specific Heat Capacity, J/kg-K | 860 | |
| 960 |
| Thermal Conductivity, W/m-K | 130 | |
| 51 |
| Thermal Expansion, µm/m-K | 23 | |
| 25 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 36 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 50 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 34 |
| Density, g/cm3 | 3.1 | |
| 1.9 |
| Embodied Carbon, kg CO2/kg material | 8.1 | |
| 29 |
| Embodied Energy, MJ/kg | 140 | |
| 260 |
| Embodied Water, L/kg | 1110 | |
| 900 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 31 to 34 | |
| 5.6 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1270 to 1440 | |
| 420 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 45 | |
| 61 |
| Strength to Weight: Axial, points | 46 to 47 | |
| 40 |
| Strength to Weight: Bending, points | 46 to 47 | |
| 49 |
| Thermal Diffusivity, mm2/s | 51 | |
| 28 |
| Thermal Shock Resistance, points | 22 to 23 | |
| 18 |
Alloy Composition
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| Aluminum (Al), % | 85.7 to 89.5 | |
| 0 |
| Chromium (Cr), % | 0.1 to 0.22 | |
| 0 |
| Copper (Cu), % | 1.2 to 1.9 | |
| 0 to 0.030 |
| Iron (Fe), % | 0 to 0.35 | |
| 0 to 0.010 |
| Lithium (Li), % | 0 | |
| 0 to 0.2 |
| Magnesium (Mg), % | 2.0 to 2.9 | |
| 88.9 to 93.4 |
| Manganese (Mn), % | 0 to 0.2 | |
| 0 to 0.15 |
| Nickel (Ni), % | 0 | |
| 0 to 0.0050 |
| Silicon (Si), % | 0 to 0.25 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 |
| Unspecified Rare Earths, % | 0 | |
| 1.5 to 4.0 |
| Yttrium (Y), % | 0 | |
| 4.8 to 5.5 |
| Zinc (Zn), % | 7.2 to 8.2 | |
| 0 to 0.2 |
| Zirconium (Zr), % | 0 | |
| 0.4 to 1.0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.010 |