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A206.0 Aluminum vs. AZ31C Magnesium

A206.0 aluminum belongs to the aluminum alloys classification, while AZ31C 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 AZ31C magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
45
Elongation at Break, % 4.2 to 10
12
Fatigue Strength, MPa 90 to 180
150
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 260
130
Tensile Strength: Ultimate (UTS), MPa 390 to 440
260
Tensile Strength: Yield (Proof), MPa 250 to 380
200

Thermal Properties

Latent Heat of Fusion, J/g 390
350
Maximum Temperature: Mechanical, °C 170
110
Melting Completion (Liquidus), °C 670
600
Melting Onset (Solidus), °C 550
550
Specific Heat Capacity, J/kg-K 880
990
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
19
Electrical Conductivity: Equal Weight (Specific), % IACS 90
98

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 3.0
1.7
Embodied Carbon, kg CO2/kg material 8.0
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1150
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 37
28
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 1000
440
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 46
70
Strength to Weight: Axial, points 36 to 41
42
Strength to Weight: Bending, points 39 to 43
53
Thermal Diffusivity, mm2/s 48
74
Thermal Shock Resistance, points 17 to 19
16

Alloy Composition

Aluminum (Al), % 93.9 to 95.7
2.4 to 3.6
Copper (Cu), % 4.2 to 5.0
0 to 0.1
Iron (Fe), % 0 to 0.1
0
Magnesium (Mg), % 0 to 0.15
93.4 to 97
Manganese (Mn), % 0 to 0.2
0.15 to 1.0
Nickel (Ni), % 0 to 0.050
0 to 0.030
Silicon (Si), % 0 to 0.050
0 to 0.1
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.1
0.5 to 1.5
Residuals, % 0
0 to 0.3