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EQ21A Magnesium vs. 364.0 Aluminum

EQ21A magnesium belongs to the magnesium alloys classification, while 364.0 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EQ21A magnesium and the bottom bar is 364.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
72
Elongation at Break, % 2.4
7.5
Fatigue Strength, MPa 110
120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Shear Strength, MPa 150
200
Tensile Strength: Ultimate (UTS), MPa 250
300
Tensile Strength: Yield (Proof), MPa 190
160

Thermal Properties

Latent Heat of Fusion, J/g 340
520
Maximum Temperature: Mechanical, °C 160
190
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 560
560
Specific Heat Capacity, J/kg-K 980
900
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 27
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
30
Electrical Conductivity: Equal Weight (Specific), % IACS 120
100

Otherwise Unclassified Properties

Base Metal Price, % relative 80
11
Density, g/cm3 1.9
2.6
Embodied Carbon, kg CO2/kg material 27
8.0
Embodied Energy, MJ/kg 210
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
19
Resilience: Unit (Modulus of Resilience), kJ/m3 410
180
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 63
53
Strength to Weight: Axial, points 37
31
Strength to Weight: Bending, points 47
38
Thermal Diffusivity, mm2/s 62
51
Thermal Shock Resistance, points 15
14

Alloy Composition


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Aluminum (Al), % 0
87.2 to 92
Beryllium (Be), % 0
0.020 to 0.040
Chromium (Cr), % 0
0.25 to 0.5
Copper (Cu), % 0.050 to 0.1
0 to 0.2
Iron (Fe), % 0
0 to 1.5
Magnesium (Mg), % 93.9 to 96.8
0.2 to 0.4
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.010
0 to 0.15
Silicon (Si), % 0
7.5 to 9.5
Silver (Ag), % 1.3 to 1.7
0
Tin (Sn), % 0
0 to 0.15
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0
0 to 0.15
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0 to 0.15