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7049A Aluminum vs. EN-MC95310 Magnesium

7049A aluminum belongs to the aluminum alloys classification, while EN-MC95310 magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 7049A aluminum and the bottom bar is EN-MC95310 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
45
Elongation at Break, % 5.0 to 5.7
2.2
Fatigue Strength, MPa 180
110
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 27
17
Shear Strength, MPa 340 to 350
160
Tensile Strength: Ultimate (UTS), MPa 580 to 590
280
Tensile Strength: Yield (Proof), MPa 500 to 530
190

Thermal Properties

Latent Heat of Fusion, J/g 370
330
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 430
540
Specific Heat Capacity, J/kg-K 850
960
Thermal Conductivity, W/m-K 130
51
Thermal Expansion, µm/m-K 24
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
11
Electrical Conductivity: Equal Weight (Specific), % IACS 120
50

Otherwise Unclassified Properties

Base Metal Price, % relative 10
34
Density, g/cm3 3.1
1.9
Embodied Carbon, kg CO2/kg material 8.2
29
Embodied Energy, MJ/kg 150
260
Embodied Water, L/kg 1100
900

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28 to 32
5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 1800 to 1990
420
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
61
Strength to Weight: Axial, points 52 to 53
40
Strength to Weight: Bending, points 50 to 51
49
Thermal Diffusivity, mm2/s 50
28
Thermal Shock Resistance, points 25
18

Alloy Composition

Aluminum (Al), % 84.6 to 89.5
0
Chromium (Cr), % 0.050 to 0.25
0
Copper (Cu), % 1.2 to 1.9
0 to 0.030
Iron (Fe), % 0 to 0.5
0 to 0.010
Lithium (Li), % 0
0 to 0.2
Magnesium (Mg), % 2.1 to 3.1
88.9 to 93.4
Manganese (Mn), % 0 to 0.5
0 to 0.15
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.4
0 to 0.010
Titanium (Ti), % 0 to 0.25
0
Unspecified Rare Earths, % 0
1.5 to 4.0
Yttrium (Y), % 0
4.8 to 5.5
Zinc (Zn), % 7.2 to 8.4
0 to 0.2
Zirconium (Zr), % 0 to 0.25
0.4 to 1.0
Residuals, % 0
0 to 0.010