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7116 Aluminum vs. ZE63A Magnesium

7116 aluminum belongs to the aluminum alloys classification, while ZE63A magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is 7116 aluminum and the bottom bar is ZE63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
46
Elongation at Break, % 7.8
7.7
Fatigue Strength, MPa 160
120
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 220
170
Tensile Strength: Ultimate (UTS), MPa 370
300
Tensile Strength: Yield (Proof), MPa 330
190

Thermal Properties

Latent Heat of Fusion, J/g 380
330
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 640
510
Melting Onset (Solidus), °C 520
390
Specific Heat Capacity, J/kg-K 880
950
Thermal Conductivity, W/m-K 150
110
Thermal Expansion, µm/m-K 24
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46
31
Electrical Conductivity: Equal Weight (Specific), % IACS 140
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
22
Density, g/cm3 2.9
2.0
Embodied Carbon, kg CO2/kg material 8.2
24
Embodied Energy, MJ/kg 150
180
Embodied Water, L/kg 1150
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
20
Resilience: Unit (Modulus of Resilience), kJ/m3 790
400
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 47
58
Strength to Weight: Axial, points 35
40
Strength to Weight: Bending, points 39
48
Thermal Diffusivity, mm2/s 58
57
Thermal Shock Resistance, points 16
17

Alloy Composition

Aluminum (Al), % 91.5 to 94.5
0
Copper (Cu), % 0.5 to 1.1
0 to 0.1
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.3
0
Magnesium (Mg), % 0.8 to 1.4
89.6 to 92
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.050
0
Unspecified Rare Earths, % 0
2.1 to 3.0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 4.2 to 5.2
5.5 to 6.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3