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444.0 Aluminum vs. AZ31C Magnesium

444.0 aluminum belongs to the aluminum alloys classification, while AZ31C magnesium belongs to the magnesium alloys. There are 29 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 444.0 aluminum and the bottom bar is AZ31C magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
45
Elongation at Break, % 25
12
Fatigue Strength, MPa 51
150
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
17
Tensile Strength: Ultimate (UTS), MPa 190
260
Tensile Strength: Yield (Proof), MPa 83
200

Thermal Properties

Latent Heat of Fusion, J/g 500
350
Maximum Temperature: Mechanical, °C 170
110
Melting Completion (Liquidus), °C 610
600
Melting Onset (Solidus), °C 600
550
Specific Heat Capacity, J/kg-K 900
990
Thermal Conductivity, W/m-K 160
130
Thermal Expansion, µm/m-K 22
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
19
Electrical Conductivity: Equal Weight (Specific), % IACS 140
98

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.6
1.7
Embodied Carbon, kg CO2/kg material 7.9
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1110
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
28
Resilience: Unit (Modulus of Resilience), kJ/m3 49
440
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 53
70
Strength to Weight: Axial, points 20
42
Strength to Weight: Bending, points 28
53
Thermal Diffusivity, mm2/s 67
74
Thermal Shock Resistance, points 8.8
16

Alloy Composition

Aluminum (Al), % 90.5 to 93.5
2.4 to 3.6
Copper (Cu), % 0 to 0.25
0 to 0.1
Iron (Fe), % 0 to 0.6
0
Magnesium (Mg), % 0 to 0.1
93.4 to 97
Manganese (Mn), % 0 to 0.35
0.15 to 1.0
Nickel (Ni), % 0
0 to 0.030
Silicon (Si), % 6.5 to 7.5
0 to 0.1
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
0.5 to 1.5
Residuals, % 0
0 to 0.3