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6065 Aluminum vs. EN-MC65120 Magnesium

6065 aluminum belongs to the aluminum alloys classification, while EN-MC65120 magnesium belongs to the magnesium 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 6065 aluminum and the bottom bar is EN-MC65120 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
45
Elongation at Break, % 4.5 to 11
3.1
Fatigue Strength, MPa 96 to 110
80
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 190 to 230
92
Tensile Strength: Ultimate (UTS), MPa 310 to 400
160
Tensile Strength: Yield (Proof), MPa 270 to 380
110

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 640
590
Melting Onset (Solidus), °C 590
520
Specific Heat Capacity, J/kg-K 890
970
Thermal Conductivity, W/m-K 170
100
Thermal Expansion, µm/m-K 23
26

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 11
25
Density, g/cm3 2.8
1.9
Embodied Carbon, kg CO2/kg material 8.4
25
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1200
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 34
4.4
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 1040
140
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
62
Strength to Weight: Axial, points 31 to 40
23
Strength to Weight: Bending, points 36 to 43
34
Thermal Diffusivity, mm2/s 67
56
Thermal Shock Resistance, points 14 to 18
9.8

Alloy Composition

Aluminum (Al), % 94.4 to 98.2
0
Bismuth (Bi), % 0.5 to 1.5
0
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0.15 to 0.4
0 to 0.030
Iron (Fe), % 0 to 0.7
0 to 0.010
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0.8 to 1.2
91.8 to 95.1
Manganese (Mn), % 0 to 0.15
0 to 0.15
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0.4 to 0.8
0 to 0.010
Titanium (Ti), % 0 to 0.1
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0 to 0.25
2.0 to 3.0
Zirconium (Zr), % 0 to 0.15
0.4 to 1.0
Residuals, % 0
0 to 0.010