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EN-MC65220 Magnesium vs. 444.0 Aluminum

EN-MC65220 magnesium belongs to the magnesium alloys classification, while 444.0 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 444.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
50
Elastic (Young's, Tensile) Modulus, GPa 44
71
Elongation at Break, % 2.2
25
Fatigue Strength, MPa 110
51
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 270
190
Tensile Strength: Yield (Proof), MPa 200
83

Thermal Properties

Latent Heat of Fusion, J/g 340
500
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 610
610
Melting Onset (Solidus), °C 550
600
Specific Heat Capacity, J/kg-K 980
900
Thermal Conductivity, W/m-K 110
160
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
40
Electrical Conductivity: Equal Weight (Specific), % IACS 120
140

Otherwise Unclassified Properties

Base Metal Price, % relative 80
9.5
Density, g/cm3 1.9
2.6
Embodied Carbon, kg CO2/kg material 27
7.9
Embodied Energy, MJ/kg 210
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
39
Resilience: Unit (Modulus of Resilience), kJ/m3 450
49
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 62
53
Strength to Weight: Axial, points 40
20
Strength to Weight: Bending, points 49
28
Thermal Diffusivity, mm2/s 61
67
Thermal Shock Resistance, points 17
8.8

Alloy Composition


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Aluminum (Al), % 0
90.5 to 93.5
Copper (Cu), % 0.050 to 0.1
0 to 0.25
Iron (Fe), % 0 to 0.010
0 to 0.6
Magnesium (Mg), % 93.8 to 96.8
0 to 0.1
Manganese (Mn), % 0 to 0.15
0 to 0.35
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
6.5 to 7.5
Silver (Ag), % 1.3 to 1.7
0
Titanium (Ti), % 0
0 to 0.25
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
0 to 0.35
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.15