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4007 Aluminum vs. ISO-WD21150 Magnesium

4007 aluminum belongs to the aluminum alloys classification, while ISO-WD21150 magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 4007 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, % 5.1 to 23
5.7 to 11
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
17
Shear Strength, MPa 80 to 90
150 to 170
Tensile Strength: Ultimate (UTS), MPa 130 to 160
240 to 290
Tensile Strength: Yield (Proof), MPa 50 to 120
120 to 200

Thermal Properties

Latent Heat of Fusion, J/g 410
350
Maximum Temperature: Mechanical, °C 170
110
Melting Completion (Liquidus), °C 650
600
Melting Onset (Solidus), °C 590
550
Specific Heat Capacity, J/kg-K 890
990
Thermal Conductivity, W/m-K 170
100
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
19
Electrical Conductivity: Equal Weight (Specific), % IACS 140
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.8
1.7
Embodied Carbon, kg CO2/kg material 8.1
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1160
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.4 to 23
15 to 24
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 110
160 to 460
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 49
70
Strength to Weight: Axial, points 12 to 15
40 to 48
Strength to Weight: Bending, points 20 to 23
52 to 58
Thermal Diffusivity, mm2/s 67
60
Thermal Shock Resistance, points 5.5 to 6.7
15 to 17

Alloy Composition

Aluminum (Al), % 94.1 to 97.6
2.4 to 3.6
Chromium (Cr), % 0.050 to 0.25
0
Cobalt (Co), % 0 to 0.050
0
Copper (Cu), % 0 to 0.2
0 to 0.050
Iron (Fe), % 0.4 to 1.0
0 to 0.0050
Magnesium (Mg), % 0 to 0.2
94 to 97
Manganese (Mn), % 0.8 to 1.5
0.15 to 0.4
Nickel (Ni), % 0.15 to 0.7
0 to 0.0050
Silicon (Si), % 1.0 to 1.7
0 to 0.1
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
0.5 to 1.5
Residuals, % 0
0 to 0.3

Comparable Variants