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392.0 Aluminum vs. AZ61A Magnesium

392.0 aluminum belongs to the aluminum alloys classification, while AZ61A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 392.0 aluminum and the bottom bar is AZ61A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
45
Elongation at Break, % 0.86
11
Fatigue Strength, MPa 190
130
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
17
Tensile Strength: Ultimate (UTS), MPa 290
280
Tensile Strength: Yield (Proof), MPa 270
170

Thermal Properties

Latent Heat of Fusion, J/g 670
350
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 670
600
Melting Onset (Solidus), °C 580
530
Specific Heat Capacity, J/kg-K 900
990
Thermal Conductivity, W/m-K 130
79
Thermal Expansion, µm/m-K 19
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
12
Electrical Conductivity: Equal Weight (Specific), % IACS 90
62

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 2.5
1.7
Embodied Carbon, kg CO2/kg material 7.5
23
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 950
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.4
27
Resilience: Unit (Modulus of Resilience), kJ/m3 490
310
Stiffness to Weight: Axial, points 17
15
Stiffness to Weight: Bending, points 56
69
Strength to Weight: Axial, points 32
46
Strength to Weight: Bending, points 39
56
Thermal Diffusivity, mm2/s 60
47
Thermal Shock Resistance, points 15
17

Alloy Composition

Aluminum (Al), % 73.9 to 80.6
5.5 to 7.2
Copper (Cu), % 0.4 to 0.8
0 to 0.050
Iron (Fe), % 0 to 1.5
0 to 0.0050
Magnesium (Mg), % 0.8 to 1.2
90.3 to 93.9
Manganese (Mn), % 0.2 to 0.6
0.15 to 0.5
Nickel (Ni), % 0 to 0.5
0 to 0.0050
Silicon (Si), % 18 to 20
0 to 0.1
Tin (Sn), % 0 to 0.3
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.5
0.4 to 1.5
Residuals, % 0
0 to 0.3