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AM60A Magnesium vs. 4343 Aluminum

AM60A magnesium belongs to the magnesium alloys classification, while 4343 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 AM60A magnesium and the bottom bar is 4343 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
71
Elongation at Break, % 8.8
4.4
Fatigue Strength, MPa 70
45
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
27
Shear Strength, MPa 130
64
Tensile Strength: Ultimate (UTS), MPa 230
110
Tensile Strength: Yield (Proof), MPa 130
62

Thermal Properties

Latent Heat of Fusion, J/g 350
510
Maximum Temperature: Mechanical, °C 120
160
Melting Completion (Liquidus), °C 620
620
Melting Onset (Solidus), °C 550
580
Specific Heat Capacity, J/kg-K 1000
900
Thermal Conductivity, W/m-K 62
180
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
44
Electrical Conductivity: Equal Weight (Specific), % IACS 69
150

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.7
2.6
Embodied Carbon, kg CO2/kg material 23
7.9
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 990
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
4.1
Resilience: Unit (Modulus of Resilience), kJ/m3 190
27
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 71
53
Strength to Weight: Axial, points 37
12
Strength to Weight: Bending, points 49
20
Thermal Diffusivity, mm2/s 37
77
Thermal Shock Resistance, points 14
5.2

Alloy Composition


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Aluminum (Al), % 5.5 to 6.5
90.3 to 93.2
Copper (Cu), % 0 to 0.35
0 to 0.25
Iron (Fe), % 0
0 to 0.8
Magnesium (Mg), % 91.8 to 94.4
0
Manganese (Mn), % 0.13 to 0.6
0 to 0.1
Nickel (Ni), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
6.8 to 8.2
Zinc (Zn), % 0 to 0.22
0 to 0.2
Residuals, % 0
0 to 0.15