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AM100A Magnesium vs. 4007 Aluminum

AM100A magnesium belongs to the magnesium alloys classification, while 4007 aluminum belongs to the aluminum 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 AM100A magnesium and the bottom bar is 4007 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
71
Elongation at Break, % 1.0 to 6.8
5.1 to 23
Fatigue Strength, MPa 48 to 70
46 to 88
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
27
Shear Strength, MPa 90 to 150
80 to 90
Tensile Strength: Ultimate (UTS), MPa 160 to 270
130 to 160
Tensile Strength: Yield (Proof), MPa 78 to 140
50 to 120

Thermal Properties

Latent Heat of Fusion, J/g 350
410
Maximum Temperature: Mechanical, °C 140
170
Melting Completion (Liquidus), °C 590
650
Melting Onset (Solidus), °C 460
590
Specific Heat Capacity, J/kg-K 990
890
Thermal Conductivity, W/m-K 73
170
Thermal Expansion, µm/m-K 25
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
42
Electrical Conductivity: Equal Weight (Specific), % IACS 59
140

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.7
2.8
Embodied Carbon, kg CO2/kg material 22
8.1
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1000
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.3 to 15
7.4 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 66 to 210
18 to 110
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 70
49
Strength to Weight: Axial, points 25 to 44
12 to 15
Strength to Weight: Bending, points 38 to 54
20 to 23
Thermal Diffusivity, mm2/s 43
67
Thermal Shock Resistance, points 9.7 to 17
5.5 to 6.7

Alloy Composition

Aluminum (Al), % 9.3 to 10.7
94.1 to 97.6
Chromium (Cr), % 0
0.050 to 0.25
Cobalt (Co), % 0
0 to 0.050
Copper (Cu), % 0 to 0.1
0 to 0.2
Iron (Fe), % 0
0.4 to 1.0
Magnesium (Mg), % 87.9 to 90.6
0 to 0.2
Manganese (Mn), % 0.1 to 0.35
0.8 to 1.5
Nickel (Ni), % 0 to 0.010
0.15 to 0.7
Silicon (Si), % 0 to 0.3
1.0 to 1.7
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.3
0 to 0.1
Residuals, % 0
0 to 0.15