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EN-MC65120 Magnesium vs. 6463 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while 6463 aluminum belongs to the aluminum alloys.

For each property being compared, the top bar is EN-MC65120 magnesium and the bottom bar is 6463 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
42 to 74
Elastic (Young's, Tensile) Modulus, GPa 45
68
Elongation at Break, % 3.1
9.0 to 17
Fatigue Strength, MPa 80
45 to 76
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 92
86 to 150
Tensile Strength: Ultimate (UTS), MPa 160
140 to 230
Tensile Strength: Yield (Proof), MPa 110
82 to 200

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 590
660
Melting Onset (Solidus), °C 520
620
Specific Heat Capacity, J/kg-K 970
900
Thermal Conductivity, W/m-K 100
190 to 210
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
50 to 55
Electrical Conductivity: Equal Weight (Specific), % IACS 120
170 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
17 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 140
50 to 300
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
50
Strength to Weight: Axial, points 23
14 to 24
Strength to Weight: Bending, points 34
22 to 31
Thermal Diffusivity, mm2/s 56
79 to 86
Thermal Shock Resistance, points 9.8
6.3 to 10

Alloy Composition


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Aluminum (Al), % 0
97.9 to 99.4
Copper (Cu), % 0 to 0.030
0 to 0.2
Iron (Fe), % 0 to 0.010
0 to 0.15
Magnesium (Mg), % 91.8 to 95.1
0.45 to 0.9
Manganese (Mn), % 0 to 0.15
0 to 0.050
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0.2 to 0.6
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0 to 0.050
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.15