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ZK40A Magnesium vs. 206.0 Aluminum

ZK40A magnesium belongs to the magnesium alloys classification, while 206.0 aluminum belongs to the aluminum 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 ZK40A magnesium and the bottom bar is 206.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
71
Elongation at Break, % 4.2
8.4 to 12
Fatigue Strength, MPa 190
88 to 210
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Shear Strength, MPa 160
260
Tensile Strength: Ultimate (UTS), MPa 280
330 to 440
Tensile Strength: Yield (Proof), MPa 260
190 to 350

Thermal Properties

Latent Heat of Fusion, J/g 340
390
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 600
650
Melting Onset (Solidus), °C 540
570
Specific Heat Capacity, J/kg-K 970
880
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 26
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
33
Electrical Conductivity: Equal Weight (Specific), % IACS 130
99

Otherwise Unclassified Properties

Base Metal Price, % relative 13
11
Density, g/cm3 1.8
3.0
Embodied Carbon, kg CO2/kg material 24
8.0
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 950
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12
24 to 49
Resilience: Unit (Modulus of Resilience), kJ/m3 740
270 to 840
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 65
46
Strength to Weight: Axial, points 43
30 to 40
Strength to Weight: Bending, points 53
35 to 42
Thermal Diffusivity, mm2/s 62
46
Thermal Shock Resistance, points 17
17 to 23

Alloy Composition


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Aluminum (Al), % 0
93.3 to 95.3
Copper (Cu), % 0
4.2 to 5.0
Iron (Fe), % 0
0 to 0.15
Magnesium (Mg), % 94.2 to 96.1
0.15 to 0.35
Manganese (Mn), % 0
0.2 to 0.5
Nickel (Ni), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.1
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0.15 to 0.3
Zinc (Zn), % 3.5 to 4.5
0 to 0.1
Zirconium (Zr), % 0.45 to 1.0
0
Residuals, % 0 to 0.3
0 to 0.15