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EQ21A Magnesium vs. 6060 Aluminum

EQ21A magnesium belongs to the magnesium alloys classification, while 6060 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EQ21A magnesium and the bottom bar is 6060 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
68
Elongation at Break, % 2.4
9.0 to 16
Fatigue Strength, MPa 110
37 to 70
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 150
86 to 130
Tensile Strength: Ultimate (UTS), MPa 250
140 to 220
Tensile Strength: Yield (Proof), MPa 190
71 to 170

Thermal Properties

Latent Heat of Fusion, J/g 340
400
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 640
660
Melting Onset (Solidus), °C 560
610
Specific Heat Capacity, J/kg-K 980
900
Thermal Conductivity, W/m-K 110
210
Thermal Expansion, µm/m-K 27
23

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 80
9.5
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 27
8.3
Embodied Energy, MJ/kg 210
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
13 to 24
Resilience: Unit (Modulus of Resilience), kJ/m3 410
37 to 210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
50
Strength to Weight: Axial, points 37
14 to 23
Strength to Weight: Bending, points 47
22 to 30
Thermal Diffusivity, mm2/s 62
85
Thermal Shock Resistance, points 15
6.3 to 9.9

Alloy Composition

Aluminum (Al), % 0
97.9 to 99.3
Chromium (Cr), % 0
0 to 0.050
Copper (Cu), % 0.050 to 0.1
0 to 0.1
Iron (Fe), % 0
0.1 to 0.3
Magnesium (Mg), % 93.9 to 96.8
0.35 to 0.6
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
0.3 to 0.6
Silver (Ag), % 1.3 to 1.7
0
Titanium (Ti), % 0
0 to 0.1
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