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A206.0 Aluminum vs. ZK40A Magnesium

A206.0 aluminum belongs to the aluminum alloys classification, while ZK40A magnesium belongs to the magnesium alloys. There are 30 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 A206.0 aluminum and the bottom bar is ZK40A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
45
Elongation at Break, % 4.2 to 10
4.2
Fatigue Strength, MPa 90 to 180
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 260
160
Tensile Strength: Ultimate (UTS), MPa 390 to 440
280
Tensile Strength: Yield (Proof), MPa 250 to 380
260

Thermal Properties

Latent Heat of Fusion, J/g 390
340
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 670
600
Melting Onset (Solidus), °C 550
540
Specific Heat Capacity, J/kg-K 880
970
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
27
Electrical Conductivity: Equal Weight (Specific), % IACS 90
130

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 37
12
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 1000
740
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
65
Strength to Weight: Axial, points 36 to 41
43
Strength to Weight: Bending, points 39 to 43
53
Thermal Diffusivity, mm2/s 48
62
Thermal Shock Resistance, points 17 to 19
17

Alloy Composition

Aluminum (Al), % 93.9 to 95.7
0
Copper (Cu), % 4.2 to 5.0
0
Iron (Fe), % 0 to 0.1
0
Magnesium (Mg), % 0 to 0.15
94.2 to 96.1
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 0 to 0.050
0
Silicon (Si), % 0 to 0.050
0
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.1
3.5 to 4.5
Zirconium (Zr), % 0
0.45 to 1.0
Residuals, % 0
0 to 0.3