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EN AC-46300 Aluminum vs. ISO-WD21150 Magnesium

EN AC-46300 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-46300 aluminum and the bottom bar is ISO-WD21150 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
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 200
240 to 290
Tensile Strength: Yield (Proof), MPa 110
120 to 200

Thermal Properties

Latent Heat of Fusion, J/g 490
350
Maximum Temperature: Mechanical, °C 170
110
Melting Completion (Liquidus), °C 630
600
Melting Onset (Solidus), °C 530
550
Specific Heat Capacity, J/kg-K 880
990
Thermal Conductivity, W/m-K 120
100
Thermal Expansion, µm/m-K 22
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
19
Electrical Conductivity: Equal Weight (Specific), % IACS 84
100

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 2.9
1.7
Embodied Carbon, kg CO2/kg material 7.7
23
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1060
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.9
15 to 24
Resilience: Unit (Modulus of Resilience), kJ/m3 89
160 to 460
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 49
70
Strength to Weight: Axial, points 20
40 to 48
Strength to Weight: Bending, points 27
52 to 58
Thermal Diffusivity, mm2/s 47
60
Thermal Shock Resistance, points 9.1
15 to 17

Alloy Composition

Aluminum (Al), % 84 to 90
2.4 to 3.6
Copper (Cu), % 3.0 to 4.0
0 to 0.050
Iron (Fe), % 0 to 0.8
0 to 0.0050
Lead (Pb), % 0 to 0.15
0
Magnesium (Mg), % 0.3 to 0.6
94 to 97
Manganese (Mn), % 0.2 to 0.65
0.15 to 0.4
Nickel (Ni), % 0 to 0.3
0 to 0.0050
Silicon (Si), % 6.5 to 8.0
0 to 0.1
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.65
0.5 to 1.5
Residuals, % 0
0 to 0.3