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EN AC-46100 Aluminum vs. ISO-WD21150 Magnesium

EN AC-46100 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-46100 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, % 1.0
5.7 to 11
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
17
Tensile Strength: Ultimate (UTS), MPa 270
240 to 290
Tensile Strength: Yield (Proof), MPa 160
120 to 200

Thermal Properties

Latent Heat of Fusion, J/g 550
350
Maximum Temperature: Mechanical, °C 180
110
Melting Completion (Liquidus), °C 600
600
Melting Onset (Solidus), °C 540
550
Specific Heat Capacity, J/kg-K 890
990
Thermal Conductivity, W/m-K 110
100
Thermal Expansion, µm/m-K 21
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
19
Electrical Conductivity: Equal Weight (Specific), % IACS 90
100

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 2.7
1.7
Embodied Carbon, kg CO2/kg material 7.6
23
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1030
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
15 to 24
Resilience: Unit (Modulus of Resilience), kJ/m3 170
160 to 460
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 51
70
Strength to Weight: Axial, points 27
40 to 48
Strength to Weight: Bending, points 34
52 to 58
Thermal Diffusivity, mm2/s 44
60
Thermal Shock Resistance, points 12
15 to 17

Alloy Composition

Aluminum (Al), % 80.4 to 88.5
2.4 to 3.6
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 1.5 to 2.5
0 to 0.050
Iron (Fe), % 0 to 1.1
0 to 0.0050
Lead (Pb), % 0 to 0.25
0
Magnesium (Mg), % 0 to 0.3
94 to 97
Manganese (Mn), % 0 to 0.55
0.15 to 0.4
Nickel (Ni), % 0 to 0.45
0 to 0.0050
Silicon (Si), % 10 to 12
0 to 0.1
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.7
0.5 to 1.5
Residuals, % 0
0 to 0.3