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5050 Aluminum vs. AZ63A Magnesium

5050 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 (3, in this case) are not shown.

For each property being compared, the top bar is 5050 aluminum and the bottom bar is AZ63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
46
Elongation at Break, % 1.7 to 22
2.2 to 8.0
Fatigue Strength, MPa 45 to 100
76 to 83
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 91 to 140
110 to 160
Tensile Strength: Ultimate (UTS), MPa 140 to 250
190 to 270
Tensile Strength: Yield (Proof), MPa 50 to 210
81 to 120

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 180
120
Melting Completion (Liquidus), °C 650
610
Melting Onset (Solidus), °C 630
450
Specific Heat Capacity, J/kg-K 900
980
Thermal Conductivity, W/m-K 190
52 to 65
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 50
12 to 15
Electrical Conductivity: Equal Weight (Specific), % IACS 170
59 to 74

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
1.8
Embodied Carbon, kg CO2/kg material 8.4
22
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1190
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.1 to 24
3.7 to 16
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 330
71 to 160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
66
Strength to Weight: Axial, points 15 to 26
29 to 41
Strength to Weight: Bending, points 22 to 33
40 to 51
Thermal Diffusivity, mm2/s 79
29 to 37
Thermal Shock Resistance, points 6.3 to 11
11 to 16

Alloy Composition

Aluminum (Al), % 96.3 to 98.9
5.3 to 6.7
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.2
0 to 0.25
Iron (Fe), % 0 to 0.7
0
Magnesium (Mg), % 1.1 to 1.8
88.6 to 92.1
Manganese (Mn), % 0 to 0.1
0.15 to 0.35
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.4
0 to 0.3
Zinc (Zn), % 0 to 0.25
2.5 to 3.5
Residuals, % 0
0 to 0.3