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EN-MC65120 Magnesium vs. 328.0 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while 328.0 aluminum belongs to the aluminum alloys. There are 30 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-MC65120 magnesium and the bottom bar is 328.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
60 to 82
Elastic (Young's, Tensile) Modulus, GPa 45
72
Elongation at Break, % 3.1
1.6 to 2.1
Fatigue Strength, MPa 80
55 to 80
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 160
200 to 270
Tensile Strength: Yield (Proof), MPa 110
120 to 170

Thermal Properties

Latent Heat of Fusion, J/g 330
510
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 590
620
Melting Onset (Solidus), °C 520
560
Specific Heat Capacity, J/kg-K 970
890
Thermal Conductivity, W/m-K 100
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 25
10
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 25
7.8
Embodied Energy, MJ/kg 190
140
Embodied Water, L/kg 930
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
2.8 to 5.0
Resilience: Unit (Modulus of Resilience), kJ/m3 140
92 to 200
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 62
51
Strength to Weight: Axial, points 23
21 to 28
Strength to Weight: Bending, points 34
28 to 34
Thermal Diffusivity, mm2/s 56
50
Thermal Shock Resistance, points 9.8
9.2 to 12

Alloy Composition

Aluminum (Al), % 0
84.5 to 91.1
Chromium (Cr), % 0
0 to 0.35
Copper (Cu), % 0 to 0.030
1.0 to 2.0
Iron (Fe), % 0 to 0.010
0 to 1.0
Magnesium (Mg), % 91.8 to 95.1
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
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 1.5
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.5