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EN-MC65120 Magnesium vs. A356.0 Aluminum

EN-MC65120 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-MC65120 magnesium and the bottom bar is A356.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
70
Elongation at Break, % 3.1
3.0 to 6.0
Fatigue Strength, MPa 80
50 to 90
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Tensile Strength: Ultimate (UTS), MPa 160
160 to 270
Tensile Strength: Yield (Proof), MPa 110
83 to 200

Thermal Properties

Latent Heat of Fusion, J/g 330
500
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 590
610
Melting Onset (Solidus), °C 520
570
Specific Heat Capacity, J/kg-K 970
900
Thermal Conductivity, W/m-K 100
150
Thermal Expansion, µm/m-K 26
21

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 1.9
2.6
Embodied Carbon, kg CO2/kg material 25
8.0
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
4.8 to 15
Resilience: Unit (Modulus of Resilience), kJ/m3 140
49 to 300
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 62
53
Strength to Weight: Axial, points 23
17 to 29
Strength to Weight: Bending, points 34
25 to 36
Thermal Diffusivity, mm2/s 56
64
Thermal Shock Resistance, points 9.8
7.6 to 13

Alloy Composition

Aluminum (Al), % 0
91.1 to 93.3
Copper (Cu), % 0 to 0.030
0 to 0.2
Iron (Fe), % 0 to 0.010
0 to 0.2
Magnesium (Mg), % 91.8 to 95.1
0.25 to 0.45
Manganese (Mn), % 0 to 0.15
0 to 0.1
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
6.5 to 7.5
Titanium (Ti), % 0
0 to 0.2
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0 to 0.1
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.15