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5059 Aluminum vs. ZC63A Magnesium

5059 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 (3, in this case) are not shown.

For each property being compared, the top bar is 5059 aluminum and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
48
Elongation at Break, % 11 to 25
3.3
Fatigue Strength, MPa 170 to 240
94
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
19
Shear Strength, MPa 220 to 250
130
Tensile Strength: Ultimate (UTS), MPa 350 to 410
220
Tensile Strength: Yield (Proof), MPa 170 to 300
130

Thermal Properties

Latent Heat of Fusion, J/g 390
330
Maximum Temperature: Mechanical, °C 210
98
Melting Completion (Liquidus), °C 650
550
Melting Onset (Solidus), °C 510
470
Specific Heat Capacity, J/kg-K 900
950
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
32
Electrical Conductivity: Equal Weight (Specific), % IACS 95
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.7
2.1
Embodied Carbon, kg CO2/kg material 9.1
22
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1160
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 650
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
58
Strength to Weight: Axial, points 36 to 42
29
Strength to Weight: Bending, points 41 to 45
38
Thermal Diffusivity, mm2/s 44
58
Thermal Shock Resistance, points 16 to 18
12

Alloy Composition

Aluminum (Al), % 89.9 to 94
0
Chromium (Cr), % 0 to 0.25
0
Copper (Cu), % 0 to 0.25
2.4 to 3.0
Iron (Fe), % 0 to 0.5
0
Magnesium (Mg), % 5.0 to 6.0
89.2 to 91.9
Manganese (Mn), % 0.6 to 1.2
0.25 to 0.75
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.45
0 to 0.2
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0.4 to 0.9
5.5 to 6.5
Zirconium (Zr), % 0.050 to 0.25
0
Residuals, % 0
0 to 0.3