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5059 Aluminum vs. AZ63A Magnesium

5059 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 (2, in this case) are not shown.

For each property being compared, the top bar is 5059 aluminum and the bottom bar is AZ63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
46
Elongation at Break, % 11 to 25
2.2 to 8.0
Fatigue Strength, MPa 170 to 240
76 to 83
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 220 to 250
110 to 160
Tensile Strength: Ultimate (UTS), MPa 350 to 410
190 to 270
Tensile Strength: Yield (Proof), MPa 170 to 300
81 to 120

Thermal Properties

Latent Heat of Fusion, J/g 390
350
Maximum Temperature: Mechanical, °C 210
120
Melting Completion (Liquidus), °C 650
610
Melting Onset (Solidus), °C 510
450
Specific Heat Capacity, J/kg-K 900
980
Thermal Conductivity, W/m-K 110
52 to 65
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
12 to 15
Electrical Conductivity: Equal Weight (Specific), % IACS 95
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 9.1
22
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1160
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
3.7 to 16
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 650
71 to 160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
66
Strength to Weight: Axial, points 36 to 42
29 to 41
Strength to Weight: Bending, points 41 to 45
40 to 51
Thermal Diffusivity, mm2/s 44
29 to 37
Thermal Shock Resistance, points 16 to 18
11 to 16

Alloy Composition

Aluminum (Al), % 89.9 to 94
5.3 to 6.7
Chromium (Cr), % 0 to 0.25
0
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 0 to 0.5
0
Magnesium (Mg), % 5.0 to 6.0
88.6 to 92.1
Manganese (Mn), % 0.6 to 1.2
0.15 to 0.35
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.45
0 to 0.3
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0.4 to 0.9
2.5 to 3.5
Zirconium (Zr), % 0.050 to 0.25
0
Residuals, % 0
0 to 0.3