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EN AC-44500 Aluminum vs. EN-MC65120 Magnesium

EN AC-44500 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-44500 aluminum and the bottom bar is EN-MC65120 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 68
55
Elastic (Young's, Tensile) Modulus, GPa 72
45
Elongation at Break, % 1.1
3.1
Fatigue Strength, MPa 110
80
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
17
Tensile Strength: Ultimate (UTS), MPa 270
160
Tensile Strength: Yield (Proof), MPa 160
110

Thermal Properties

Latent Heat of Fusion, J/g 570
330
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 590
590
Melting Onset (Solidus), °C 580
520
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 130
100
Thermal Expansion, µm/m-K 21
26

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.5
1.9
Embodied Carbon, kg CO2/kg material 7.7
25
Embodied Energy, MJ/kg 140
190
Embodied Water, L/kg 1050
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6
4.4
Resilience: Unit (Modulus of Resilience), kJ/m3 180
140
Stiffness to Weight: Axial, points 16
13
Stiffness to Weight: Bending, points 55
62
Strength to Weight: Axial, points 29
23
Strength to Weight: Bending, points 36
34
Thermal Diffusivity, mm2/s 57
56
Thermal Shock Resistance, points 13
9.8

Alloy Composition

Aluminum (Al), % 83.7 to 89.5
0
Copper (Cu), % 0 to 0.2
0 to 0.030
Iron (Fe), % 0 to 1.0
0 to 0.010
Magnesium (Mg), % 0 to 0.4
91.8 to 95.1
Manganese (Mn), % 0 to 0.55
0 to 0.15
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 10.5 to 13.5
0 to 0.010
Titanium (Ti), % 0 to 0.15
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0 to 0.3
2.0 to 3.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010