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A444.0 Aluminum vs. AZ92A Magnesium

A444.0 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 (2, in this case) are not shown.

For each property being compared, the top bar is A444.0 aluminum and the bottom bar is AZ92A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
47
Elongation at Break, % 18
2.1 to 6.8
Fatigue Strength, MPa 37
76 to 90
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Tensile Strength: Ultimate (UTS), MPa 160
170 to 270
Tensile Strength: Yield (Proof), MPa 66
83 to 140

Thermal Properties

Latent Heat of Fusion, J/g 500
350
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 630
590
Melting Onset (Solidus), °C 590
440
Specific Heat Capacity, J/kg-K 900
980
Thermal Conductivity, W/m-K 160
44 to 58
Thermal Expansion, µm/m-K 22
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
11 to 12
Electrical Conductivity: Equal Weight (Specific), % IACS 140
53 to 62

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.6
1.8
Embodied Carbon, kg CO2/kg material 7.9
22
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1110
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24
4.0 to 14
Resilience: Unit (Modulus of Resilience), kJ/m3 31
73 to 220
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
67
Strength to Weight: Axial, points 17
26 to 41
Strength to Weight: Bending, points 25
38 to 51
Thermal Diffusivity, mm2/s 68
25 to 33
Thermal Shock Resistance, points 7.3
10 to 16

Alloy Composition

Aluminum (Al), % 91.6 to 93.5
8.3 to 9.7
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 0 to 0.2
0
Magnesium (Mg), % 0 to 0.050
86.7 to 90
Manganese (Mn), % 0 to 0.1
0.1 to 0.35
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 6.5 to 7.5
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