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5456 Aluminum vs. ZE63A Magnesium

5456 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 (5, in this case) are not shown.

For each property being compared, the top bar is 5456 aluminum and the bottom bar is ZE63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
46
Elongation at Break, % 11 to 18
7.7
Fatigue Strength, MPa 130 to 210
120
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 190 to 210
170
Tensile Strength: Ultimate (UTS), MPa 320 to 340
300
Tensile Strength: Yield (Proof), MPa 150 to 250
190

Thermal Properties

Latent Heat of Fusion, J/g 390
330
Maximum Temperature: Mechanical, °C 190
170
Melting Completion (Liquidus), °C 640
510
Melting Onset (Solidus), °C 570
390
Specific Heat Capacity, J/kg-K 900
950
Thermal Conductivity, W/m-K 120
110
Thermal Expansion, µm/m-K 24
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
31
Electrical Conductivity: Equal Weight (Specific), % IACS 97
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
22
Density, g/cm3 2.7
2.0
Embodied Carbon, kg CO2/kg material 9.0
24
Embodied Energy, MJ/kg 150
180
Embodied Water, L/kg 1170
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33 to 46
20
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 470
400
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 50
58
Strength to Weight: Axial, points 33 to 35
40
Strength to Weight: Bending, points 38 to 40
48
Thermal Diffusivity, mm2/s 48
57
Thermal Shock Resistance, points 14 to 15
17

Alloy Composition

Aluminum (Al), % 92 to 94.8
0
Chromium (Cr), % 0.050 to 0.2
0
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0 to 0.4
0
Magnesium (Mg), % 4.7 to 5.5
89.6 to 92
Manganese (Mn), % 0.5 to 1.0
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.25
0
Titanium (Ti), % 0 to 0.2
0
Unspecified Rare Earths, % 0
2.1 to 3.0
Zinc (Zn), % 0 to 0.25
5.5 to 6.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3