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EN AC-44400 Aluminum vs. EN-MC65120 Magnesium

EN AC-44400 aluminum belongs to the aluminum alloys classification, while EN-MC65120 magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN AC-44400 aluminum and the bottom bar is EN-MC65120 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 61
55
Elastic (Young's, Tensile) Modulus, GPa 71
45
Elongation at Break, % 4.1
3.1
Fatigue Strength, MPa 79
80
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
17
Tensile Strength: Ultimate (UTS), MPa 210
160
Tensile Strength: Yield (Proof), MPa 110
110

Thermal Properties

Latent Heat of Fusion, J/g 540
330
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 600
590
Melting Onset (Solidus), °C 590
520
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 140
100
Thermal Expansion, µm/m-K 22
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
25
Electrical Conductivity: Equal Weight (Specific), % IACS 110
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.6
1.9
Embodied Carbon, kg CO2/kg material 7.8
25
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1080
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.3
4.4
Resilience: Unit (Modulus of Resilience), kJ/m3 85
140
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 54
62
Strength to Weight: Axial, points 23
23
Strength to Weight: Bending, points 31
34
Thermal Diffusivity, mm2/s 60
56
Thermal Shock Resistance, points 9.8
9.8

Alloy Composition

Aluminum (Al), % 87.1 to 92
0
Copper (Cu), % 0 to 0.1
0 to 0.030
Iron (Fe), % 0 to 0.65
0 to 0.010
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0 to 0.1
91.8 to 95.1
Manganese (Mn), % 0 to 0.5
0 to 0.15
Nickel (Ni), % 0 to 0.050
0 to 0.0050
Silicon (Si), % 8.0 to 11
0 to 0.010
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.15
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0 to 0.15
2.0 to 3.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010