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EQ21A Magnesium vs. 6110 Aluminum

EQ21A magnesium belongs to the magnesium alloys classification, while 6110 aluminum belongs to the aluminum 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 EQ21A magnesium and the bottom bar is 6110 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
70
Elongation at Break, % 2.4
2.2
Fatigue Strength, MPa 110
120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 150
290
Tensile Strength: Ultimate (UTS), MPa 250
500
Tensile Strength: Yield (Proof), MPa 190
500

Thermal Properties

Latent Heat of Fusion, J/g 340
410
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 560
600
Specific Heat Capacity, J/kg-K 980
900
Thermal Conductivity, W/m-K 110
170
Thermal Expansion, µm/m-K 27
23

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 80
9.5
Density, g/cm3 1.9
2.8
Embodied Carbon, kg CO2/kg material 27
8.2
Embodied Energy, MJ/kg 210
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
11
Resilience: Unit (Modulus of Resilience), kJ/m3 410
1770
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
50
Strength to Weight: Axial, points 37
51
Strength to Weight: Bending, points 47
51
Thermal Diffusivity, mm2/s 62
67
Thermal Shock Resistance, points 15
22

Alloy Composition

Aluminum (Al), % 0
94.4 to 98.4
Chromium (Cr), % 0
0.040 to 0.25
Copper (Cu), % 0.050 to 0.1
0.2 to 0.7
Iron (Fe), % 0
0 to 0.8
Magnesium (Mg), % 93.9 to 96.8
0.5 to 1.1
Manganese (Mn), % 0
0.2 to 0.7
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
0.7 to 1.5
Silver (Ag), % 1.3 to 1.7
0
Titanium (Ti), % 0
0 to 0.15
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0
0 to 0.3
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0 to 0.15