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4007 Aluminum vs. AZ63A Magnesium

4007 aluminum belongs to the aluminum alloys classification, while AZ63A magnesium belongs to the magnesium alloys. There are 30 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 AZ63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
46
Elongation at Break, % 5.1 to 23
2.2 to 8.0
Fatigue Strength, MPa 46 to 88
76 to 83
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Shear Strength, MPa 80 to 90
110 to 160
Tensile Strength: Ultimate (UTS), MPa 130 to 160
190 to 270
Tensile Strength: Yield (Proof), MPa 50 to 120
81 to 120

Thermal Properties

Latent Heat of Fusion, J/g 410
350
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 650
610
Melting Onset (Solidus), °C 590
450
Specific Heat Capacity, J/kg-K 890
980
Thermal Conductivity, W/m-K 170
52 to 65
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
12 to 15
Electrical Conductivity: Equal Weight (Specific), % IACS 140
59 to 74

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.8
1.8
Embodied Carbon, kg CO2/kg material 8.1
22
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1160
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.4 to 23
3.7 to 16
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 110
71 to 160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
66
Strength to Weight: Axial, points 12 to 15
29 to 41
Strength to Weight: Bending, points 20 to 23
40 to 51
Thermal Diffusivity, mm2/s 67
29 to 37
Thermal Shock Resistance, points 5.5 to 6.7
11 to 16

Alloy Composition

Aluminum (Al), % 94.1 to 97.6
5.3 to 6.7
Chromium (Cr), % 0.050 to 0.25
0
Cobalt (Co), % 0 to 0.050
0
Copper (Cu), % 0 to 0.2
0 to 0.25
Iron (Fe), % 0.4 to 1.0
0
Magnesium (Mg), % 0 to 0.2
88.6 to 92.1
Manganese (Mn), % 0.8 to 1.5
0.15 to 0.35
Nickel (Ni), % 0.15 to 0.7
0 to 0.010
Silicon (Si), % 1.0 to 1.7
0 to 0.3
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
2.5 to 3.5
Residuals, % 0
0 to 0.3