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5070 Aluminum vs. ZC63A Magnesium

5070 aluminum belongs to the aluminum alloys classification, while ZC63A 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 5070 aluminum and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
48
Elongation at Break, % 20
3.3
Fatigue Strength, MPa 150
94
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
19
Shear Strength, MPa 190
130
Tensile Strength: Ultimate (UTS), MPa 300
220
Tensile Strength: Yield (Proof), MPa 140
130

Thermal Properties

Latent Heat of Fusion, J/g 390
330
Maximum Temperature: Mechanical, °C 190
98
Melting Completion (Liquidus), °C 640
550
Melting Onset (Solidus), °C 550
470
Specific Heat Capacity, J/kg-K 900
950
Thermal Conductivity, W/m-K 130
120
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
32
Electrical Conductivity: Equal Weight (Specific), % IACS 100
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.7
2.1
Embodied Carbon, kg CO2/kg material 8.8
22
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1170
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 150
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
58
Strength to Weight: Axial, points 31
29
Strength to Weight: Bending, points 37
38
Thermal Diffusivity, mm2/s 53
58
Thermal Shock Resistance, points 14
12

Alloy Composition

Aluminum (Al), % 92.4 to 95.7
0
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.25
2.4 to 3.0
Iron (Fe), % 0 to 0.4
0
Magnesium (Mg), % 3.5 to 4.5
89.2 to 91.9
Manganese (Mn), % 0.4 to 0.8
0.25 to 0.75
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.25
0 to 0.2
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0.4 to 0.8
5.5 to 6.5
Residuals, % 0
0 to 0.3