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AZ92A Magnesium vs. 3303 Aluminum

AZ92A magnesium belongs to the magnesium alloys classification, while 3303 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 3303 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 47
70
Elongation at Break, % 2.1 to 6.8
23
Fatigue Strength, MPa 76 to 90
43
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
26
Shear Strength, MPa 97 to 160
69
Tensile Strength: Ultimate (UTS), MPa 170 to 270
110
Tensile Strength: Yield (Proof), MPa 83 to 140
39

Thermal Properties

Latent Heat of Fusion, J/g 350
400
Maximum Temperature: Mechanical, °C 130
180
Melting Completion (Liquidus), °C 590
650
Melting Onset (Solidus), °C 440
620
Specific Heat Capacity, J/kg-K 980
900
Thermal Conductivity, W/m-K 44 to 58
170
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11 to 12
43
Electrical Conductivity: Equal Weight (Specific), % IACS 53 to 62
140

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.8
2.8
Embodied Carbon, kg CO2/kg material 22
8.1
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 980
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.0 to 14
20
Resilience: Unit (Modulus of Resilience), kJ/m3 73 to 220
11
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 67
49
Strength to Weight: Axial, points 26 to 41
11
Strength to Weight: Bending, points 38 to 51
18
Thermal Diffusivity, mm2/s 25 to 33
67
Thermal Shock Resistance, points 10 to 16
4.8

Alloy Composition

Aluminum (Al), % 8.3 to 9.7
96.6 to 99
Copper (Cu), % 0 to 0.25
0.050 to 0.2
Iron (Fe), % 0
0 to 0.7
Magnesium (Mg), % 86.7 to 90
0
Manganese (Mn), % 0.1 to 0.35
1.0 to 1.5
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0 to 0.3
0 to 0.6
Zinc (Zn), % 1.6 to 2.4
0 to 0.3
Residuals, % 0
0 to 0.15