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6016 Aluminum vs. EQ21A Magnesium

6016 aluminum belongs to the aluminum alloys classification, while EQ21A magnesium belongs to the magnesium 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 6016 aluminum and the bottom bar is EQ21A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55 to 80
80
Elastic (Young's, Tensile) Modulus, GPa 69
44
Elongation at Break, % 11 to 27
2.4
Fatigue Strength, MPa 68 to 89
110
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 130 to 170
150
Tensile Strength: Ultimate (UTS), MPa 200 to 280
250
Tensile Strength: Yield (Proof), MPa 110 to 210
190

Thermal Properties

Latent Heat of Fusion, J/g 410
340
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 610
560
Specific Heat Capacity, J/kg-K 900
980
Thermal Conductivity, W/m-K 190 to 210
110
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 48 to 54
25
Electrical Conductivity: Equal Weight (Specific), % IACS 160 to 180
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
80
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 8.2
27
Embodied Energy, MJ/kg 150
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 47
5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 82 to 340
410
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
63
Strength to Weight: Axial, points 21 to 29
37
Strength to Weight: Bending, points 29 to 35
47
Thermal Diffusivity, mm2/s 77 to 86
62
Thermal Shock Resistance, points 9.1 to 12
15

Alloy Composition

Aluminum (Al), % 96.4 to 98.8
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.2
0.050 to 0.1
Iron (Fe), % 0 to 0.5
0
Magnesium (Mg), % 0.25 to 0.6
93.9 to 96.8
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 1.0 to 1.5
0
Silver (Ag), % 0
1.3 to 1.7
Titanium (Ti), % 0 to 0.15
0
Unspecified Rare Earths, % 0
1.5 to 3.0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3