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328.0 Aluminum vs. ISO-WD21150 Magnesium

328.0 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 (4, in this case) are not shown.

For each property being compared, the top bar is 328.0 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, % 1.6 to 2.1
5.7 to 11
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
17
Tensile Strength: Ultimate (UTS), MPa 200 to 270
240 to 290
Tensile Strength: Yield (Proof), MPa 120 to 170
120 to 200

Thermal Properties

Latent Heat of Fusion, J/g 510
350
Maximum Temperature: Mechanical, °C 180
110
Melting Completion (Liquidus), °C 620
600
Melting Onset (Solidus), °C 560
550
Specific Heat Capacity, J/kg-K 890
990
Thermal Conductivity, W/m-K 120
100
Thermal Expansion, µm/m-K 22
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
19
Electrical Conductivity: Equal Weight (Specific), % IACS 99
100

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 2.7
1.7
Embodied Carbon, kg CO2/kg material 7.8
23
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1070
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8 to 5.0
15 to 24
Resilience: Unit (Modulus of Resilience), kJ/m3 92 to 200
160 to 460
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 51
70
Strength to Weight: Axial, points 21 to 28
40 to 48
Strength to Weight: Bending, points 28 to 34
52 to 58
Thermal Diffusivity, mm2/s 50
60
Thermal Shock Resistance, points 9.2 to 12
15 to 17

Alloy Composition

Aluminum (Al), % 84.5 to 91.1
2.4 to 3.6
Chromium (Cr), % 0 to 0.35
0
Copper (Cu), % 1.0 to 2.0
0 to 0.050
Iron (Fe), % 0 to 1.0
0 to 0.0050
Magnesium (Mg), % 0.2 to 0.6
94 to 97
Manganese (Mn), % 0.2 to 0.6
0.15 to 0.4
Nickel (Ni), % 0 to 0.25
0 to 0.0050
Silicon (Si), % 7.5 to 8.5
0 to 0.1
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.5
0.5 to 1.5
Residuals, % 0
0 to 0.3

Comparable Variants