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EN-MC65210 Magnesium vs. 4343 Aluminum

EN-MC65210 magnesium belongs to the magnesium alloys classification, while 4343 aluminum belongs to the aluminum alloys. There are 28 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 4343 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
71
Elongation at Break, % 2.8
4.4
Fatigue Strength, MPa 110
45
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Shear Strength, MPa 150
64
Tensile Strength: Ultimate (UTS), MPa 270
110
Tensile Strength: Yield (Proof), MPa 200
62

Thermal Properties

Latent Heat of Fusion, J/g 340
510
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 610
620
Melting Onset (Solidus), °C 540
580
Specific Heat Capacity, J/kg-K 970
900
Thermal Conductivity, W/m-K 110
180
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
44
Electrical Conductivity: Equal Weight (Specific), % IACS 110
150

Otherwise Unclassified Properties

Density, g/cm3 2.0
2.6
Embodied Carbon, kg CO2/kg material 27
7.9
Embodied Energy, MJ/kg 220
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
4.1
Resilience: Unit (Modulus of Resilience), kJ/m3 450
27
Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 59
53
Strength to Weight: Axial, points 38
12
Strength to Weight: Bending, points 47
20
Thermal Diffusivity, mm2/s 58
77
Thermal Shock Resistance, points 17
5.2

Alloy Composition


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Aluminum (Al), % 0
90.3 to 93.2
Copper (Cu), % 0 to 0.030
0 to 0.25
Iron (Fe), % 0 to 0.010
0 to 0.8
Magnesium (Mg), % 92.6 to 95.6
0
Manganese (Mn), % 0 to 0.15
0 to 0.1
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
6.8 to 8.2
Silver (Ag), % 2.0 to 3.0
0
Unspecified Rare Earths, % 2.0 to 3.0
0
Zinc (Zn), % 0 to 0.2
0 to 0.2
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.15