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4032 Aluminum vs. AZ31C Magnesium

4032 aluminum belongs to the aluminum alloys classification, while AZ31C magnesium belongs to the magnesium 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 4032 aluminum and the bottom bar is AZ31C magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
45
Elongation at Break, % 6.7
12
Fatigue Strength, MPa 110
150
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
17
Shear Strength, MPa 260
130
Tensile Strength: Ultimate (UTS), MPa 390
260
Tensile Strength: Yield (Proof), MPa 320
200

Thermal Properties

Latent Heat of Fusion, J/g 570
350
Maximum Temperature: Mechanical, °C 180
110
Melting Completion (Liquidus), °C 570
600
Melting Onset (Solidus), °C 530
550
Specific Heat Capacity, J/kg-K 900
990
Thermal Conductivity, W/m-K 140
130
Thermal Expansion, µm/m-K 19
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
19
Electrical Conductivity: Equal Weight (Specific), % IACS 120
98

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 2.6
1.7
Embodied Carbon, kg CO2/kg material 7.8
23
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1030
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
28
Resilience: Unit (Modulus of Resilience), kJ/m3 700
440
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 53
70
Strength to Weight: Axial, points 41
42
Strength to Weight: Bending, points 45
53
Thermal Diffusivity, mm2/s 59
74
Thermal Shock Resistance, points 20
16

Alloy Composition

Aluminum (Al), % 81.1 to 87.2
2.4 to 3.6
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0.5 to 1.3
0 to 0.1
Iron (Fe), % 0 to 1.0
0
Magnesium (Mg), % 0.8 to 1.3
93.4 to 97
Manganese (Mn), % 0
0.15 to 1.0
Nickel (Ni), % 0.5 to 1.3
0 to 0.030
Silicon (Si), % 11 to 13.5
0 to 0.1
Zinc (Zn), % 0 to 0.25
0.5 to 1.5
Residuals, % 0
0 to 0.3