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4343 Aluminum vs. ZC63A Magnesium

4343 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 4343 aluminum and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
48
Elongation at Break, % 4.4
3.3
Fatigue Strength, MPa 45
94
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
19
Shear Strength, MPa 64
130
Tensile Strength: Ultimate (UTS), MPa 110
220
Tensile Strength: Yield (Proof), MPa 62
130

Thermal Properties

Latent Heat of Fusion, J/g 510
330
Maximum Temperature: Mechanical, °C 160
98
Melting Completion (Liquidus), °C 620
550
Melting Onset (Solidus), °C 580
470
Specific Heat Capacity, J/kg-K 900
950
Thermal Conductivity, W/m-K 180
120
Thermal Expansion, µm/m-K 22
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
32
Electrical Conductivity: Equal Weight (Specific), % IACS 150
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.6
2.1
Embodied Carbon, kg CO2/kg material 7.9
22
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1100
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.1
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 27
190
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
58
Strength to Weight: Axial, points 12
29
Strength to Weight: Bending, points 20
38
Thermal Diffusivity, mm2/s 77
58
Thermal Shock Resistance, points 5.2
12

Alloy Composition

Aluminum (Al), % 90.3 to 93.2
0
Copper (Cu), % 0 to 0.25
2.4 to 3.0
Iron (Fe), % 0 to 0.8
0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 0 to 0.1
0.25 to 0.75
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 6.8 to 8.2
0 to 0.2
Zinc (Zn), % 0 to 0.2
5.5 to 6.5
Residuals, % 0
0 to 0.3