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EN-MC65220 Magnesium vs. EN AC-46400 Aluminum

EN-MC65220 magnesium belongs to the magnesium alloys classification, while EN AC-46400 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN-MC65220 magnesium and the bottom bar is EN AC-46400 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
77 to 120
Elastic (Young's, Tensile) Modulus, GPa 44
72
Elongation at Break, % 2.2
1.1 to 1.7
Fatigue Strength, MPa 110
75 to 85
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 270
170 to 310
Tensile Strength: Yield (Proof), MPa 200
110 to 270

Thermal Properties

Latent Heat of Fusion, J/g 340
520
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 610
610
Melting Onset (Solidus), °C 550
570
Specific Heat Capacity, J/kg-K 980
890
Thermal Conductivity, W/m-K 110
130
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
33
Electrical Conductivity: Equal Weight (Specific), % IACS 120
110

Otherwise Unclassified Properties

Base Metal Price, % relative 80
9.5
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 27
7.8
Embodied Energy, MJ/kg 210
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
1.7 to 4.9
Resilience: Unit (Modulus of Resilience), kJ/m3 450
82 to 500
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 62
52
Strength to Weight: Axial, points 40
18 to 32
Strength to Weight: Bending, points 49
26 to 38
Thermal Diffusivity, mm2/s 61
55
Thermal Shock Resistance, points 17
7.8 to 14

Alloy Composition


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Aluminum (Al), % 0
85.4 to 90.5
Copper (Cu), % 0.050 to 0.1
0.8 to 1.3
Iron (Fe), % 0 to 0.010
0 to 0.8
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 93.8 to 96.8
0.25 to 0.65
Manganese (Mn), % 0 to 0.15
0.15 to 0.55
Nickel (Ni), % 0 to 0.0050
0 to 0.2
Silicon (Si), % 0 to 0.010
8.3 to 9.7
Silver (Ag), % 1.3 to 1.7
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.2
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
0 to 0.8
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.25