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6110A Aluminum vs. EQ21A Magnesium

6110A 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 6110A aluminum and the bottom bar is EQ21A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
44
Elongation at Break, % 11 to 18
2.4
Fatigue Strength, MPa 140 to 210
110
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 220 to 280
150
Tensile Strength: Ultimate (UTS), MPa 360 to 470
250
Tensile Strength: Yield (Proof), MPa 250 to 430
190

Thermal Properties

Latent Heat of Fusion, J/g 410
340
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 600
560
Specific Heat Capacity, J/kg-K 900
980
Thermal Conductivity, W/m-K 160
110
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
25
Electrical Conductivity: Equal Weight (Specific), % IACS 140
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
80
Density, g/cm3 2.8
1.9
Embodied Carbon, kg CO2/kg material 8.4
27
Embodied Energy, MJ/kg 150
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 47 to 58
5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 450 to 1300
410
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
63
Strength to Weight: Axial, points 36 to 47
37
Strength to Weight: Bending, points 41 to 48
47
Thermal Diffusivity, mm2/s 65
62
Thermal Shock Resistance, points 16 to 21
15

Alloy Composition

Aluminum (Al), % 94.8 to 98
0
Chromium (Cr), % 0.050 to 0.25
0
Copper (Cu), % 0.3 to 0.8
0.050 to 0.1
Iron (Fe), % 0 to 0.5
0
Magnesium (Mg), % 0.7 to 1.1
93.9 to 96.8
Manganese (Mn), % 0.3 to 0.9
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.7 to 1.1
0
Silver (Ag), % 0
1.3 to 1.7
Titanium (Ti), % 0 to 0.2
0
Unspecified Rare Earths, % 0
1.5 to 3.0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0 to 0.2
0.4 to 1.0
Residuals, % 0
0 to 0.3