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364.0 Aluminum vs. EQ21A Magnesium

364.0 aluminum belongs to the aluminum alloys classification, while EQ21A magnesium belongs to the magnesium 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 364.0 aluminum and the bottom bar is EQ21A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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