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EN-MC65220 Magnesium vs. 328.0 Aluminum

EN-MC65220 magnesium belongs to the magnesium alloys classification, while 328.0 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN-MC65220 magnesium and the bottom bar is 328.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
60 to 82
Elastic (Young's, Tensile) Modulus, GPa 44
72
Elongation at Break, % 2.2
1.6 to 2.1
Fatigue Strength, MPa 110
55 to 80
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 270
200 to 270
Tensile Strength: Yield (Proof), MPa 200
120 to 170

Thermal Properties

Latent Heat of Fusion, J/g 340
510
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 610
620
Melting Onset (Solidus), °C 550
560
Specific Heat Capacity, J/kg-K 980
890
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
30
Electrical Conductivity: Equal Weight (Specific), % IACS 120
99

Otherwise Unclassified Properties

Base Metal Price, % relative 80
10
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 27
7.8
Embodied Energy, MJ/kg 210
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
2.8 to 5.0
Resilience: Unit (Modulus of Resilience), kJ/m3 450
92 to 200
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 62
51
Strength to Weight: Axial, points 40
21 to 28
Strength to Weight: Bending, points 49
28 to 34
Thermal Diffusivity, mm2/s 61
50
Thermal Shock Resistance, points 17
9.2 to 12

Alloy Composition


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Aluminum (Al), % 0
84.5 to 91.1
Chromium (Cr), % 0
0 to 0.35
Copper (Cu), % 0.050 to 0.1
1.0 to 2.0
Iron (Fe), % 0 to 0.010
0 to 1.0
Magnesium (Mg), % 93.8 to 96.8
0.2 to 0.6
Manganese (Mn), % 0 to 0.15
0.2 to 0.6
Nickel (Ni), % 0 to 0.0050
0 to 0.25
Silicon (Si), % 0 to 0.010
7.5 to 8.5
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 1.5
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.5