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A242.0 Aluminum vs. ZK60A Magnesium

A242.0 aluminum belongs to the aluminum alloys classification, while ZK60A magnesium belongs to the magnesium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is A242.0 aluminum and the bottom bar is ZK60A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
46
Elongation at Break, % 1.6
4.5 to 9.9
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Tensile Strength: Ultimate (UTS), MPa 220
320 to 330

Thermal Properties

Latent Heat of Fusion, J/g 390
330
Maximum Temperature: Mechanical, °C 210
120
Melting Completion (Liquidus), °C 680
600
Melting Onset (Solidus), °C 550
550
Specific Heat Capacity, J/kg-K 870
960
Thermal Conductivity, W/m-K 140
120
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
29 to 30
Electrical Conductivity: Equal Weight (Specific), % IACS 110
140

Otherwise Unclassified Properties

Base Metal Price, % relative 12
13
Density, g/cm3 3.1
1.9
Embodied Carbon, kg CO2/kg material 8.3
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1130
940

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
63
Strength to Weight: Axial, points 20
47 to 49
Strength to Weight: Bending, points 26
55 to 56
Thermal Diffusivity, mm2/s 52
66
Thermal Shock Resistance, points 9.3
19 to 20

Alloy Composition

Aluminum (Al), % 89.3 to 93.1
0
Chromium (Cr), % 0.15 to 0.25
0
Copper (Cu), % 3.7 to 4.5
0
Iron (Fe), % 0 to 0.8
0
Magnesium (Mg), % 1.2 to 1.7
92.5 to 94.8
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 1.8 to 2.3
0
Silicon (Si), % 0 to 0.6
0
Titanium (Ti), % 0.070 to 0.2
0
Zinc (Zn), % 0 to 0.1
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 1.0
Residuals, % 0
0 to 0.3