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4032 Aluminum vs. EN-MC21310 Magnesium

4032 aluminum belongs to the aluminum alloys classification, while EN-MC21310 magnesium belongs to the magnesium alloys.

For each property being compared, the top bar is 4032 aluminum and the bottom bar is EN-MC21310 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
60
Elastic (Young's, Tensile) Modulus, GPa 73
45
Elongation at Break, % 6.7
9.0
Fatigue Strength, MPa 110
86
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
17
Shear Strength, MPa 260
120
Tensile Strength: Ultimate (UTS), MPa 390
200
Tensile Strength: Yield (Proof), MPa 320
120

Thermal Properties

Latent Heat of Fusion, J/g 570
360
Maximum Temperature: Mechanical, °C 180
100
Melting Completion (Liquidus), °C 570
600
Melting Onset (Solidus), °C 530
560
Specific Heat Capacity, J/kg-K 900
1000
Thermal Conductivity, W/m-K 140
89
Thermal Expansion, µm/m-K 19
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
22
Electrical Conductivity: Equal Weight (Specific), % IACS 120
120

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 2.6
1.6
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
16
Resilience: Unit (Modulus of Resilience), kJ/m3 700
160
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 53
73
Strength to Weight: Axial, points 41
34
Strength to Weight: Bending, points 45
47
Thermal Diffusivity, mm2/s 59
55
Thermal Shock Resistance, points 20
12

Alloy Composition

Aluminum (Al), % 81.1 to 87.2
1.8 to 2.6
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0.5 to 1.3
0 to 0.010
Iron (Fe), % 0 to 1.0
0 to 0.0050
Magnesium (Mg), % 0.8 to 1.3
95.2 to 97.4
Manganese (Mn), % 0
0.1 to 0.7
Nickel (Ni), % 0.5 to 1.3
0 to 0.0020
Silicon (Si), % 11 to 13.5
0.7 to 1.2
Zinc (Zn), % 0 to 0.25
0 to 0.2
Residuals, % 0 to 0.15
0 to 0.010