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EN-MC21210 Magnesium vs. 6066 Aluminum

EN-MC21210 magnesium belongs to the magnesium alloys classification, while 6066 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN-MC21210 magnesium and the bottom bar is 6066 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
70
Elongation at Break, % 14
7.8 to 17
Fatigue Strength, MPa 70
94 to 130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 110
95 to 240
Tensile Strength: Ultimate (UTS), MPa 190
160 to 400
Tensile Strength: Yield (Proof), MPa 90
93 to 360

Thermal Properties

Latent Heat of Fusion, J/g 350
410
Maximum Temperature: Mechanical, °C 100
170
Melting Completion (Liquidus), °C 600
650
Melting Onset (Solidus), °C 570
560
Specific Heat Capacity, J/kg-K 1000
890
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
40
Electrical Conductivity: Equal Weight (Specific), % IACS 130
130

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.6
2.8
Embodied Carbon, kg CO2/kg material 24
8.3
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 980
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
23 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 92
61 to 920
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 72
49
Strength to Weight: Axial, points 32
16 to 39
Strength to Weight: Bending, points 44
23 to 43
Thermal Diffusivity, mm2/s 76
61
Thermal Shock Resistance, points 11
6.9 to 17

Alloy Composition

Aluminum (Al), % 1.6 to 2.6
93 to 97
Chromium (Cr), % 0
0 to 0.4
Copper (Cu), % 0 to 0.010
0.7 to 1.2
Iron (Fe), % 0 to 0.0050
0 to 0.5
Magnesium (Mg), % 96.3 to 98.3
0.8 to 1.4
Manganese (Mn), % 0.1 to 0.7
0.6 to 1.1
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
0.9 to 1.8
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.2
0 to 0.25
Residuals, % 0
0 to 0.15