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AZ92A Magnesium vs. 8176 Aluminum

AZ92A magnesium belongs to the magnesium alloys classification, while 8176 aluminum belongs to the aluminum 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 AZ92A magnesium and the bottom bar is 8176 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 47
69
Elongation at Break, % 2.1 to 6.8
15
Fatigue Strength, MPa 76 to 90
59
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
26
Shear Strength, MPa 97 to 160
70
Tensile Strength: Ultimate (UTS), MPa 170 to 270
160
Tensile Strength: Yield (Proof), MPa 83 to 140
95

Thermal Properties

Latent Heat of Fusion, J/g 350
400
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 590
660
Melting Onset (Solidus), °C 440
650
Specific Heat Capacity, J/kg-K 980
900
Thermal Conductivity, W/m-K 44 to 58
230
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11 to 12
61
Electrical Conductivity: Equal Weight (Specific), % IACS 53 to 62
200

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.8
2.7
Embodied Carbon, kg CO2/kg material 22
8.2
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 980
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.0 to 14
21
Resilience: Unit (Modulus of Resilience), kJ/m3 73 to 220
66
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 67
50
Strength to Weight: Axial, points 26 to 41
16
Strength to Weight: Bending, points 38 to 51
24
Thermal Diffusivity, mm2/s 25 to 33
93
Thermal Shock Resistance, points 10 to 16
7.0

Alloy Composition

Aluminum (Al), % 8.3 to 9.7
98.6 to 99.6
Copper (Cu), % 0 to 0.25
0
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0
0.4 to 1.0
Magnesium (Mg), % 86.7 to 90
0
Manganese (Mn), % 0.1 to 0.35
0
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0 to 0.3
0.030 to 0.15
Zinc (Zn), % 1.6 to 2.4
0 to 0.1
Residuals, % 0
0 to 0.15