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EN AC-46600 Aluminum vs. EN-MC65120 Magnesium

EN AC-46600 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-46600 aluminum and the bottom bar is EN-MC65120 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 77
55
Elastic (Young's, Tensile) Modulus, GPa 72
45
Elongation at Break, % 1.1
3.1
Fatigue Strength, MPa 75
80
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
17
Tensile Strength: Ultimate (UTS), MPa 180
160
Tensile Strength: Yield (Proof), MPa 110
110

Thermal Properties

Latent Heat of Fusion, J/g 490
330
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 620
590
Melting Onset (Solidus), °C 560
520
Specific Heat Capacity, J/kg-K 890
970
Thermal Conductivity, W/m-K 130
100
Thermal Expansion, µm/m-K 22
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
25
Electrical Conductivity: Equal Weight (Specific), % IACS 94
120

Otherwise Unclassified Properties

Base Metal Price, % relative 10
25
Density, g/cm3 2.8
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 1.7
4.4
Resilience: Unit (Modulus of Resilience), kJ/m3 81
140
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
62
Strength to Weight: Axial, points 18
23
Strength to Weight: Bending, points 25
34
Thermal Diffusivity, mm2/s 51
56
Thermal Shock Resistance, points 8.1
9.8

Alloy Composition

Aluminum (Al), % 85.6 to 92.4
0
Copper (Cu), % 1.5 to 2.5
0 to 0.030
Iron (Fe), % 0 to 0.8
0 to 0.010
Lead (Pb), % 0 to 0.25
0
Magnesium (Mg), % 0 to 0.35
91.8 to 95.1
Manganese (Mn), % 0.15 to 0.65
0 to 0.15
Nickel (Ni), % 0 to 0.35
0 to 0.0050
Silicon (Si), % 6.0 to 8.0
0 to 0.010
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0 to 1.0
2.0 to 3.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010