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7049A Aluminum vs. AZ63A Magnesium

7049A aluminum belongs to the aluminum alloys classification, while AZ63A 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 AZ63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
46
Elongation at Break, % 5.0 to 5.7
2.2 to 8.0
Fatigue Strength, MPa 180
76 to 83
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 27
18
Shear Strength, MPa 340 to 350
110 to 160
Tensile Strength: Ultimate (UTS), MPa 580 to 590
190 to 270
Tensile Strength: Yield (Proof), MPa 500 to 530
81 to 120

Thermal Properties

Latent Heat of Fusion, J/g 370
350
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 640
610
Melting Onset (Solidus), °C 430
450
Specific Heat Capacity, J/kg-K 850
980
Thermal Conductivity, W/m-K 130
52 to 65
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
12 to 15
Electrical Conductivity: Equal Weight (Specific), % IACS 120
59 to 74

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 3.1
1.8
Embodied Carbon, kg CO2/kg material 8.2
22
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1100
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28 to 32
3.7 to 16
Resilience: Unit (Modulus of Resilience), kJ/m3 1800 to 1990
71 to 160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 44
66
Strength to Weight: Axial, points 52 to 53
29 to 41
Strength to Weight: Bending, points 50 to 51
40 to 51
Thermal Diffusivity, mm2/s 50
29 to 37
Thermal Shock Resistance, points 25
11 to 16

Alloy Composition

Aluminum (Al), % 84.6 to 89.5
5.3 to 6.7
Chromium (Cr), % 0.050 to 0.25
0
Copper (Cu), % 1.2 to 1.9
0 to 0.25
Iron (Fe), % 0 to 0.5
0
Magnesium (Mg), % 2.1 to 3.1
88.6 to 92.1
Manganese (Mn), % 0 to 0.5
0.15 to 0.35
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.4
0 to 0.3
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 7.2 to 8.4
2.5 to 3.5
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.3

Comparable Variants