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EN-MC65220 Magnesium vs. 6061 Aluminum

EN-MC65220 magnesium belongs to the magnesium alloys classification, while 6061 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN-MC65220 magnesium and the bottom bar is 6061 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
69
Elongation at Break, % 2.2
3.4 to 20
Fatigue Strength, MPa 110
58 to 110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 150
84 to 210
Tensile Strength: Ultimate (UTS), MPa 270
130 to 410
Tensile Strength: Yield (Proof), MPa 200
76 to 370

Thermal Properties

Latent Heat of Fusion, J/g 340
400
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 610
650
Melting Onset (Solidus), °C 550
580
Specific Heat Capacity, J/kg-K 980
900
Thermal Conductivity, W/m-K 110
170
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
43
Electrical Conductivity: Equal Weight (Specific), % IACS 120
140

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 5.5
3.8 to 81
Resilience: Unit (Modulus of Resilience), kJ/m3 450
42 to 1000
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
50
Strength to Weight: Axial, points 40
13 to 42
Strength to Weight: Bending, points 49
21 to 45
Thermal Diffusivity, mm2/s 61
68
Thermal Shock Resistance, points 17
5.7 to 18

Alloy Composition


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Aluminum (Al), % 0
95.9 to 98.6
Chromium (Cr), % 0
0.040 to 0.35
Copper (Cu), % 0.050 to 0.1
0.15 to 0.4
Iron (Fe), % 0 to 0.010
0 to 0.7
Magnesium (Mg), % 93.8 to 96.8
0.8 to 1.2
Manganese (Mn), % 0 to 0.15
0 to 0.15
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0.4 to 0.8
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 to 0.2
0 to 0.25
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.15