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518.0 Aluminum vs. AZ63A Magnesium

518.0 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 518.0 aluminum and the bottom bar is AZ63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
46
Elongation at Break, % 5.0
2.2 to 8.0
Fatigue Strength, MPa 140
76 to 83
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
18
Shear Strength, MPa 200
110 to 160
Tensile Strength: Ultimate (UTS), MPa 310
190 to 270
Tensile Strength: Yield (Proof), MPa 190
81 to 120

Thermal Properties

Latent Heat of Fusion, J/g 390
350
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 620
610
Melting Onset (Solidus), °C 560
450
Specific Heat Capacity, J/kg-K 900
980
Thermal Conductivity, W/m-K 98
52 to 65
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
12 to 15
Electrical Conductivity: Equal Weight (Specific), % IACS 81
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 9.4
22
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1160
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
3.7 to 16
Resilience: Unit (Modulus of Resilience), kJ/m3 270
71 to 160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
66
Strength to Weight: Axial, points 32
29 to 41
Strength to Weight: Bending, points 38
40 to 51
Thermal Diffusivity, mm2/s 40
29 to 37
Thermal Shock Resistance, points 14
11 to 16

Alloy Composition

Aluminum (Al), % 88.1 to 92.5
5.3 to 6.7
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 0 to 1.8
0
Magnesium (Mg), % 7.5 to 8.5
88.6 to 92.1
Manganese (Mn), % 0 to 0.35
0.15 to 0.35
Nickel (Ni), % 0 to 0.15
0 to 0.010
Silicon (Si), % 0 to 0.35
0 to 0.3
Tin (Sn), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.15
2.5 to 3.5
Residuals, % 0
0 to 0.3