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EN-MC21210 Magnesium vs. A356.0 Aluminum

EN-MC21210 magnesium belongs to the magnesium alloys classification, while A356.0 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-MC21210 magnesium and the bottom bar is A356.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
70
Elongation at Break, % 14
3.0 to 6.0
Fatigue Strength, MPa 70
50 to 90
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Tensile Strength: Ultimate (UTS), MPa 190
160 to 270
Tensile Strength: Yield (Proof), MPa 90
83 to 200

Thermal Properties

Latent Heat of Fusion, J/g 350
500
Maximum Temperature: Mechanical, °C 100
170
Melting Completion (Liquidus), °C 600
610
Melting Onset (Solidus), °C 570
570
Specific Heat Capacity, J/kg-K 1000
900
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 27
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
40
Electrical Conductivity: Equal Weight (Specific), % IACS 130
140

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.6
2.6
Embodied Carbon, kg CO2/kg material 24
8.0
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 980
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
4.8 to 15
Resilience: Unit (Modulus of Resilience), kJ/m3 92
49 to 300
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 72
53
Strength to Weight: Axial, points 32
17 to 29
Strength to Weight: Bending, points 44
25 to 36
Thermal Diffusivity, mm2/s 76
64
Thermal Shock Resistance, points 11
7.6 to 13

Alloy Composition


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Aluminum (Al), % 1.6 to 2.6
91.1 to 93.3
Copper (Cu), % 0 to 0.010
0 to 0.2
Iron (Fe), % 0 to 0.0050
0 to 0.2
Magnesium (Mg), % 96.3 to 98.3
0.25 to 0.45
Manganese (Mn), % 0.1 to 0.7
0 to 0.1
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
6.5 to 7.5
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.2
0 to 0.1
Residuals, % 0 to 0.010
0 to 0.15