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EN AC-21000 Aluminum vs. ISO-WD21150 Magnesium

EN AC-21000 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-21000 aluminum and the bottom bar is ISO-WD21150 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
45
Elongation at Break, % 6.7
5.7 to 11
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
17
Tensile Strength: Ultimate (UTS), MPa 340
240 to 290
Tensile Strength: Yield (Proof), MPa 240
120 to 200

Thermal Properties

Latent Heat of Fusion, J/g 390
350
Maximum Temperature: Mechanical, °C 170
110
Melting Completion (Liquidus), °C 670
600
Melting Onset (Solidus), °C 550
550
Specific Heat Capacity, J/kg-K 880
990
Thermal Conductivity, W/m-K 130
100
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
19
Electrical Conductivity: Equal Weight (Specific), % IACS 100
100

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 3.0
1.7
Embodied Carbon, kg CO2/kg material 8.0
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1150
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
15 to 24
Resilience: Unit (Modulus of Resilience), kJ/m3 390
160 to 460
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 46
70
Strength to Weight: Axial, points 32
40 to 48
Strength to Weight: Bending, points 36
52 to 58
Thermal Diffusivity, mm2/s 49
60
Thermal Shock Resistance, points 15
15 to 17

Alloy Composition

Aluminum (Al), % 93.4 to 95.5
2.4 to 3.6
Copper (Cu), % 4.2 to 5.0
0 to 0.050
Iron (Fe), % 0 to 0.35
0 to 0.0050
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0.15 to 0.35
94 to 97
Manganese (Mn), % 0 to 0.1
0.15 to 0.4
Nickel (Ni), % 0 to 0.050
0 to 0.0050
Silicon (Si), % 0 to 0.2
0 to 0.1
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.1
0.5 to 1.5
Residuals, % 0
0 to 0.3