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ZK40A Magnesium vs. 324.0 Aluminum

ZK40A magnesium belongs to the magnesium alloys classification, while 324.0 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ZK40A magnesium and the bottom bar is 324.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
71
Elongation at Break, % 4.2
3.0 to 4.0
Fatigue Strength, MPa 190
77 to 89
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 280
210 to 310
Tensile Strength: Yield (Proof), MPa 260
110 to 270

Thermal Properties

Latent Heat of Fusion, J/g 340
500
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 600
610
Melting Onset (Solidus), °C 540
550
Specific Heat Capacity, J/kg-K 970
900
Thermal Conductivity, W/m-K 110
150
Thermal Expansion, µm/m-K 26
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
34
Electrical Conductivity: Equal Weight (Specific), % IACS 130
120

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.5
Density, g/cm3 1.8
2.7
Embodied Carbon, kg CO2/kg material 24
7.9
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 950
1090

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12
6.8 to 8.9
Resilience: Unit (Modulus of Resilience), kJ/m3 740
85 to 510
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 65
52
Strength to Weight: Axial, points 43
22 to 32
Strength to Weight: Bending, points 53
29 to 38
Thermal Diffusivity, mm2/s 62
62
Thermal Shock Resistance, points 17
9.7 to 14

Alloy Composition


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Aluminum (Al), % 0
87.3 to 92.2
Copper (Cu), % 0
0.4 to 0.6
Iron (Fe), % 0
0 to 1.2
Magnesium (Mg), % 94.2 to 96.1
0.4 to 0.7
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 0.3
Silicon (Si), % 0
7.0 to 8.0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 3.5 to 4.5
0 to 1.0
Zirconium (Zr), % 0.45 to 1.0
0
Residuals, % 0 to 0.3
0 to 0.2