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EN-MC65210 Magnesium vs. B390.0 Aluminum

EN-MC65210 magnesium belongs to the magnesium alloys classification, while B390.0 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN-MC65210 magnesium and the bottom bar is B390.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
76
Elongation at Break, % 2.8
0.88
Fatigue Strength, MPa 110
170
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
29
Tensile Strength: Ultimate (UTS), MPa 270
320
Tensile Strength: Yield (Proof), MPa 200
250

Thermal Properties

Latent Heat of Fusion, J/g 340
640
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 610
580
Melting Onset (Solidus), °C 540
580
Specific Heat Capacity, J/kg-K 970
880
Thermal Conductivity, W/m-K 110
130
Thermal Expansion, µm/m-K 26
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
27
Electrical Conductivity: Equal Weight (Specific), % IACS 110
88

Otherwise Unclassified Properties

Density, g/cm3 2.0
2.8
Embodied Carbon, kg CO2/kg material 27
7.3
Embodied Energy, MJ/kg 220
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
2.6
Resilience: Unit (Modulus of Resilience), kJ/m3 450
410
Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 59
51
Strength to Weight: Axial, points 38
32
Strength to Weight: Bending, points 47
38
Thermal Diffusivity, mm2/s 58
55
Thermal Shock Resistance, points 17
15

Alloy Composition

Aluminum (Al), % 0
72.7 to 79.6
Copper (Cu), % 0 to 0.030
4.0 to 5.0
Iron (Fe), % 0 to 0.010
0 to 1.3
Magnesium (Mg), % 92.6 to 95.6
0.45 to 0.65
Manganese (Mn), % 0 to 0.15
0 to 0.5
Nickel (Ni), % 0 to 0.0050
0 to 0.1
Silicon (Si), % 0 to 0.010
16 to 18
Silver (Ag), % 2.0 to 3.0
0
Titanium (Ti), % 0
0 to 0.1
Unspecified Rare Earths, % 2.0 to 3.0
0
Zinc (Zn), % 0 to 0.2
0 to 1.5
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.2