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EQ21A Magnesium vs. 360.0 Aluminum

EQ21A magnesium belongs to the magnesium alloys classification, while 360.0 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EQ21A magnesium and the bottom bar is 360.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
75
Elastic (Young's, Tensile) Modulus, GPa 44
72
Elongation at Break, % 2.4
2.5
Fatigue Strength, MPa 110
140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Shear Strength, MPa 150
190
Tensile Strength: Ultimate (UTS), MPa 250
300
Tensile Strength: Yield (Proof), MPa 190
170

Thermal Properties

Latent Heat of Fusion, J/g 340
530
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 640
590
Melting Onset (Solidus), °C 560
570
Specific Heat Capacity, J/kg-K 980
900
Thermal Conductivity, W/m-K 110
130
Thermal Expansion, µm/m-K 27
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
34
Electrical Conductivity: Equal Weight (Specific), % IACS 120
110

Otherwise Unclassified Properties

Base Metal Price, % relative 80
9.5
Density, g/cm3 1.9
2.6
Embodied Carbon, kg CO2/kg material 27
7.8
Embodied Energy, MJ/kg 210
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
6.4
Resilience: Unit (Modulus of Resilience), kJ/m3 410
200
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 63
53
Strength to Weight: Axial, points 37
32
Strength to Weight: Bending, points 47
38
Thermal Diffusivity, mm2/s 62
55
Thermal Shock Resistance, points 15
14

Alloy Composition


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Aluminum (Al), % 0
85.1 to 90.6
Copper (Cu), % 0.050 to 0.1
0 to 0.6
Iron (Fe), % 0
0 to 2.0
Magnesium (Mg), % 93.9 to 96.8
0.4 to 0.6
Manganese (Mn), % 0
0 to 0.35
Nickel (Ni), % 0 to 0.010
0 to 0.5
Silicon (Si), % 0
9.0 to 10
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 0.5
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0 to 0.25