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390.0 Aluminum vs. AZ92A Magnesium

390.0 aluminum belongs to the aluminum alloys classification, while AZ92A magnesium belongs to the magnesium alloys. There are 29 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 390.0 aluminum and the bottom bar is AZ92A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
47
Elongation at Break, % 1.0
2.1 to 6.8
Fatigue Strength, MPa 76 to 110
76 to 90
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
18
Tensile Strength: Ultimate (UTS), MPa 280 to 300
170 to 270
Tensile Strength: Yield (Proof), MPa 240 to 270
83 to 140

Thermal Properties

Latent Heat of Fusion, J/g 640
350
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 650
590
Melting Onset (Solidus), °C 560
440
Specific Heat Capacity, J/kg-K 880
980
Thermal Conductivity, W/m-K 130
44 to 58
Thermal Expansion, µm/m-K 18
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24 to 25
11 to 12
Electrical Conductivity: Equal Weight (Specific), % IACS 79 to 83
53 to 62

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 2.7
1.8
Embodied Carbon, kg CO2/kg material 7.3
22
Embodied Energy, MJ/kg 130
160
Embodied Water, L/kg 950
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.7 to 2.9
4.0 to 14
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 470
73 to 220
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 52
67
Strength to Weight: Axial, points 28 to 30
26 to 41
Strength to Weight: Bending, points 35 to 36
38 to 51
Thermal Diffusivity, mm2/s 56
25 to 33
Thermal Shock Resistance, points 14 to 15
10 to 16

Alloy Composition

Aluminum (Al), % 74.5 to 79.6
8.3 to 9.7
Copper (Cu), % 4.0 to 5.0
0 to 0.25
Iron (Fe), % 0 to 1.3
0
Magnesium (Mg), % 0.45 to 0.65
86.7 to 90
Manganese (Mn), % 0 to 0.1
0.1 to 0.35
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 16 to 18
0 to 0.3
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
1.6 to 2.4
Residuals, % 0
0 to 0.3

Comparable Variants