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AZ31C Magnesium vs. 332.0 Aluminum

AZ31C magnesium belongs to the magnesium alloys classification, while 332.0 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 AZ31C magnesium and the bottom bar is 332.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
73
Elongation at Break, % 12
1.0
Fatigue Strength, MPa 150
90
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Shear Strength, MPa 130
190
Tensile Strength: Ultimate (UTS), MPa 260
250
Tensile Strength: Yield (Proof), MPa 200
190

Thermal Properties

Latent Heat of Fusion, J/g 350
530
Maximum Temperature: Mechanical, °C 110
170
Melting Completion (Liquidus), °C 600
580
Melting Onset (Solidus), °C 550
530
Specific Heat Capacity, J/kg-K 990
880
Thermal Conductivity, W/m-K 130
100
Thermal Expansion, µm/m-K 26
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
26
Electrical Conductivity: Equal Weight (Specific), % IACS 98
84

Otherwise Unclassified Properties

Base Metal Price, % relative 12
10
Density, g/cm3 1.7
2.8
Embodied Carbon, kg CO2/kg material 23
7.8
Embodied Energy, MJ/kg 160
140
Embodied Water, L/kg 970
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 440
250
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 70
50
Strength to Weight: Axial, points 42
24
Strength to Weight: Bending, points 53
31
Thermal Diffusivity, mm2/s 74
42
Thermal Shock Resistance, points 16
12

Alloy Composition

Aluminum (Al), % 2.4 to 3.6
80.1 to 89
Copper (Cu), % 0 to 0.1
2.0 to 4.0
Iron (Fe), % 0
0 to 1.2
Magnesium (Mg), % 93.4 to 97
0.5 to 1.5
Manganese (Mn), % 0.15 to 1.0
0 to 0.5
Nickel (Ni), % 0 to 0.030
0 to 0.5
Silicon (Si), % 0 to 0.1
8.5 to 10.5
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0.5 to 1.5
0 to 1.0
Residuals, % 0
0 to 0.5