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A444.0 Aluminum vs. AM100A Magnesium

A444.0 aluminum belongs to the aluminum alloys classification, while AM100A 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 A444.0 aluminum and the bottom bar is AM100A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
46
Elongation at Break, % 18
1.0 to 6.8
Fatigue Strength, MPa 37
48 to 70
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Tensile Strength: Ultimate (UTS), MPa 160
160 to 270
Tensile Strength: Yield (Proof), MPa 66
78 to 140

Thermal Properties

Latent Heat of Fusion, J/g 500
350
Maximum Temperature: Mechanical, °C 170
140
Melting Completion (Liquidus), °C 630
590
Melting Onset (Solidus), °C 590
460
Specific Heat Capacity, J/kg-K 900
990
Thermal Conductivity, W/m-K 160
73
Thermal Expansion, µm/m-K 22
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
11
Electrical Conductivity: Equal Weight (Specific), % IACS 140
59

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.6
1.7
Embodied Carbon, kg CO2/kg material 7.9
22
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1110
1000

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24
1.3 to 15
Resilience: Unit (Modulus of Resilience), kJ/m3 31
66 to 210
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 53
70
Strength to Weight: Axial, points 17
25 to 44
Strength to Weight: Bending, points 25
38 to 54
Thermal Diffusivity, mm2/s 68
43
Thermal Shock Resistance, points 7.3
9.7 to 17

Alloy Composition

Aluminum (Al), % 91.6 to 93.5
9.3 to 10.7
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0 to 0.2
0
Magnesium (Mg), % 0 to 0.050
87.9 to 90.6
Manganese (Mn), % 0 to 0.1
0.1 to 0.35
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 6.5 to 7.5
0 to 0.3
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0 to 0.3
Residuals, % 0
0 to 0.3