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ZE63A Magnesium vs. 4343 Aluminum

ZE63A magnesium belongs to the magnesium alloys classification, while 4343 aluminum belongs to the aluminum 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 ZE63A magnesium and the bottom bar is 4343 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
71
Elongation at Break, % 7.7
4.4
Fatigue Strength, MPa 120
45
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Shear Strength, MPa 170
64
Tensile Strength: Ultimate (UTS), MPa 300
110
Tensile Strength: Yield (Proof), MPa 190
62

Thermal Properties

Latent Heat of Fusion, J/g 330
510
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 510
620
Melting Onset (Solidus), °C 390
580
Specific Heat Capacity, J/kg-K 950
900
Thermal Conductivity, W/m-K 110
180
Thermal Expansion, µm/m-K 27
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
44
Electrical Conductivity: Equal Weight (Specific), % IACS 140
150

Otherwise Unclassified Properties

Base Metal Price, % relative 22
9.5
Density, g/cm3 2.0
2.6
Embodied Carbon, kg CO2/kg material 24
7.9
Embodied Energy, MJ/kg 180
150
Embodied Water, L/kg 920
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
4.1
Resilience: Unit (Modulus of Resilience), kJ/m3 400
27
Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 58
53
Strength to Weight: Axial, points 40
12
Strength to Weight: Bending, points 48
20
Thermal Diffusivity, mm2/s 57
77
Thermal Shock Resistance, points 17
5.2

Alloy Composition

Aluminum (Al), % 0
90.3 to 93.2
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 0
0 to 0.8
Magnesium (Mg), % 89.6 to 92
0
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
6.8 to 8.2
Unspecified Rare Earths, % 2.1 to 3.0
0
Zinc (Zn), % 5.5 to 6.0
0 to 0.2
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.15