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852.0 Aluminum vs. AZ31C Magnesium

852.0 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 (2, in this case) are not shown.

For each property being compared, the top bar is 852.0 aluminum and the bottom bar is AZ31C magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
45
Elongation at Break, % 3.4
12
Fatigue Strength, MPa 73
150
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 130
130
Tensile Strength: Ultimate (UTS), MPa 200
260
Tensile Strength: Yield (Proof), MPa 150
200

Thermal Properties

Latent Heat of Fusion, J/g 370
350
Maximum Temperature: Mechanical, °C 190
110
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 210
550
Specific Heat Capacity, J/kg-K 840
990
Thermal Conductivity, W/m-K 180
130
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
19
Electrical Conductivity: Equal Weight (Specific), % IACS 130
98

Otherwise Unclassified Properties

Base Metal Price, % relative 15
12
Density, g/cm3 3.2
1.7
Embodied Carbon, kg CO2/kg material 8.5
23
Embodied Energy, MJ/kg 160
160
Embodied Water, L/kg 1150
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.2
28
Resilience: Unit (Modulus of Resilience), kJ/m3 160
440
Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 43
70
Strength to Weight: Axial, points 17
42
Strength to Weight: Bending, points 24
53
Thermal Diffusivity, mm2/s 65
74
Thermal Shock Resistance, points 8.7
16

Alloy Composition

Aluminum (Al), % 86.6 to 91.3
2.4 to 3.6
Copper (Cu), % 1.7 to 2.3
0 to 0.1
Iron (Fe), % 0 to 0.7
0
Magnesium (Mg), % 0.6 to 0.9
93.4 to 97
Manganese (Mn), % 0 to 0.1
0.15 to 1.0
Nickel (Ni), % 0.9 to 1.5
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.1
Tin (Sn), % 5.5 to 7.0
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0
0.5 to 1.5
Residuals, % 0
0 to 0.3