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EN-MC65120 Magnesium vs. 6063A Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while 6063A 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-MC65120 magnesium and the bottom bar is 6063A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
68
Elongation at Break, % 3.1
6.7 to 18
Fatigue Strength, MPa 80
53 to 80
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 92
78 to 150
Tensile Strength: Ultimate (UTS), MPa 160
130 to 260
Tensile Strength: Yield (Proof), MPa 110
55 to 200

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 590
640
Melting Onset (Solidus), °C 520
620
Specific Heat Capacity, J/kg-K 970
900
Thermal Conductivity, W/m-K 100
200
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
49 to 54
Electrical Conductivity: Equal Weight (Specific), % IACS 120
160 to 180

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 25
8.3
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
13 to 21
Resilience: Unit (Modulus of Resilience), kJ/m3 140
22 to 280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
50
Strength to Weight: Axial, points 23
13 to 26
Strength to Weight: Bending, points 34
21 to 33
Thermal Diffusivity, mm2/s 56
83
Thermal Shock Resistance, points 9.8
5.6 to 11

Alloy Composition

Aluminum (Al), % 0
97.5 to 99
Chromium (Cr), % 0
0 to 0.050
Copper (Cu), % 0 to 0.030
0 to 0.1
Iron (Fe), % 0 to 0.010
0.15 to 0.35
Magnesium (Mg), % 91.8 to 95.1
0.6 to 0.9
Manganese (Mn), % 0 to 0.15
0 to 0.15
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0.3 to 0.6
Titanium (Ti), % 0
0 to 0.1
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0 to 0.15
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.15