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7049A Aluminum vs. EN-MC35110 Magnesium

7049A aluminum belongs to the aluminum alloys classification, while EN-MC35110 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-MC35110 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
45
Elongation at Break, % 5.0 to 5.7
3.1
Fatigue Strength, MPa 180
110
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 27
18
Shear Strength, MPa 340 to 350
130
Tensile Strength: Ultimate (UTS), MPa 580 to 590
230
Tensile Strength: Yield (Proof), MPa 500 to 530
150

Thermal Properties

Latent Heat of Fusion, J/g 370
330
Maximum Temperature: Mechanical, °C 200
140
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 430
520
Specific Heat Capacity, J/kg-K 850
970
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
27
Electrical Conductivity: Equal Weight (Specific), % IACS 120
130

Otherwise Unclassified Properties

Base Metal Price, % relative 10
18
Density, g/cm3 3.1
1.9
Embodied Carbon, kg CO2/kg material 8.2
24
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1100
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28 to 32
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 1800 to 1990
260
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
63
Strength to Weight: Axial, points 52 to 53
34
Strength to Weight: Bending, points 50 to 51
44
Thermal Diffusivity, mm2/s 50
61
Thermal Shock Resistance, points 25
14

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
Magnesium (Mg), % 2.1 to 3.1
92 to 95.4
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
0.75 to 1.8
Zinc (Zn), % 7.2 to 8.4
3.5 to 5.0
Zirconium (Zr), % 0 to 0.25
0.4 to 1.0
Residuals, % 0 to 0.15
0 to 0.010