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EN AC-42200 Aluminum vs. ISO-WD21150 Magnesium

EN AC-42200 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-42200 aluminum and the bottom bar is ISO-WD21150 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
45
Elongation at Break, % 3.0 to 6.7
5.7 to 11
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Tensile Strength: Ultimate (UTS), MPa 320
240 to 290
Tensile Strength: Yield (Proof), MPa 240 to 260
120 to 200

Thermal Properties

Latent Heat of Fusion, J/g 500
350
Maximum Temperature: Mechanical, °C 170
110
Melting Completion (Liquidus), °C 610
600
Melting Onset (Solidus), °C 600
550
Specific Heat Capacity, J/kg-K 910
990
Thermal Conductivity, W/m-K 150
100
Thermal Expansion, µm/m-K 22
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
19
Electrical Conductivity: Equal Weight (Specific), % IACS 140
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.6
1.7
Embodied Carbon, kg CO2/kg material 8.0
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1110
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.0 to 20
15 to 24
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 490
160 to 460
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 53
70
Strength to Weight: Axial, points 34 to 35
40 to 48
Strength to Weight: Bending, points 40 to 41
52 to 58
Thermal Diffusivity, mm2/s 66
60
Thermal Shock Resistance, points 15
15 to 17

Alloy Composition

Aluminum (Al), % 91 to 93.1
2.4 to 3.6
Copper (Cu), % 0 to 0.050
0 to 0.050
Iron (Fe), % 0 to 0.19
0 to 0.0050
Magnesium (Mg), % 0.45 to 0.7
94 to 97
Manganese (Mn), % 0 to 0.1
0.15 to 0.4
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 6.5 to 7.5
0 to 0.1
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0.5 to 1.5
Residuals, % 0
0 to 0.3