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EN AC-44300 Aluminum vs. ISO-WD21150 Magnesium

EN AC-44300 aluminum belongs to the aluminum alloys classification, while ISO-WD21150 magnesium belongs to the magnesium alloys. There are 28 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 AC-44300 aluminum and the bottom bar is ISO-WD21150 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
45
Elongation at Break, % 1.1
5.7 to 11
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
17
Tensile Strength: Ultimate (UTS), MPa 270
240 to 290
Tensile Strength: Yield (Proof), MPa 150
120 to 200

Thermal Properties

Latent Heat of Fusion, J/g 570
350
Maximum Temperature: Mechanical, °C 170
110
Melting Completion (Liquidus), °C 590
600
Melting Onset (Solidus), °C 580
550
Specific Heat Capacity, J/kg-K 900
990
Thermal Conductivity, W/m-K 130
100
Thermal Expansion, µm/m-K 21
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
19
Electrical Conductivity: Equal Weight (Specific), % IACS 120
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.5
1.7
Embodied Carbon, kg CO2/kg material 7.7
23
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1050
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6
15 to 24
Resilience: Unit (Modulus of Resilience), kJ/m3 150
160 to 460
Stiffness to Weight: Axial, points 16
15
Stiffness to Weight: Bending, points 55
70
Strength to Weight: Axial, points 29
40 to 48
Strength to Weight: Bending, points 36
52 to 58
Thermal Diffusivity, mm2/s 58
60
Thermal Shock Resistance, points 13
15 to 17

Alloy Composition

Aluminum (Al), % 84.3 to 89.5
2.4 to 3.6
Copper (Cu), % 0 to 0.1
0 to 0.050
Iron (Fe), % 0 to 1.0
0 to 0.0050
Magnesium (Mg), % 0
94 to 97
Manganese (Mn), % 0 to 0.55
0.15 to 0.4
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 10.5 to 13.5
0 to 0.1
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.15
0.5 to 1.5
Residuals, % 0
0 to 0.3