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EN-MC65120 Magnesium vs. EN AC-46200 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while EN AC-46200 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 EN AC-46200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
82
Elastic (Young's, Tensile) Modulus, GPa 45
73
Elongation at Break, % 3.1
1.1
Fatigue Strength, MPa 80
87
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 160
210
Tensile Strength: Yield (Proof), MPa 110
130

Thermal Properties

Latent Heat of Fusion, J/g 330
510
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 590
620
Melting Onset (Solidus), °C 520
540
Specific Heat Capacity, J/kg-K 970
880
Thermal Conductivity, W/m-K 100
110
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
28
Electrical Conductivity: Equal Weight (Specific), % IACS 120
88

Otherwise Unclassified Properties

Base Metal Price, % relative 25
10
Density, g/cm3 1.9
2.8
Embodied Carbon, kg CO2/kg material 25
7.7
Embodied Energy, MJ/kg 190
140
Embodied Water, L/kg 930
1060

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
2.0
Resilience: Unit (Modulus of Resilience), kJ/m3 140
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
50
Strength to Weight: Axial, points 23
21
Strength to Weight: Bending, points 34
28
Thermal Diffusivity, mm2/s 56
44
Thermal Shock Resistance, points 9.8
9.5

Alloy Composition


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Aluminum (Al), % 0
82.6 to 90.3
Copper (Cu), % 0 to 0.030
2.0 to 3.5
Iron (Fe), % 0 to 0.010
0 to 0.8
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 91.8 to 95.1
0.050 to 0.55
Manganese (Mn), % 0 to 0.15
0.15 to 0.65
Nickel (Ni), % 0 to 0.0050
0 to 0.35
Silicon (Si), % 0 to 0.010
7.5 to 9.5
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0
0 to 0.25
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0 to 1.2
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.25