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EN-MC65120 Magnesium vs. EN AC-45000 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while EN AC-45000 aluminum belongs to the aluminum 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-MC65120 magnesium and the bottom bar is EN AC-45000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
77
Elastic (Young's, Tensile) Modulus, GPa 45
73
Elongation at Break, % 3.1
1.1
Fatigue Strength, MPa 80
75
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 160
180
Tensile Strength: Yield (Proof), MPa 110
110

Thermal Properties

Latent Heat of Fusion, J/g 330
470
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 590
640
Melting Onset (Solidus), °C 520
520
Specific Heat Capacity, J/kg-K 970
870
Thermal Conductivity, W/m-K 100
120
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
27
Electrical Conductivity: Equal Weight (Specific), % IACS 120
81

Otherwise Unclassified Properties

Base Metal Price, % relative 25
11
Density, g/cm3 1.9
3.0
Embodied Carbon, kg CO2/kg material 25
7.7
Embodied Energy, MJ/kg 190
140
Embodied Water, L/kg 930
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
1.7
Resilience: Unit (Modulus of Resilience), kJ/m3 140
80
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
47
Strength to Weight: Axial, points 23
17
Strength to Weight: Bending, points 34
24
Thermal Diffusivity, mm2/s 56
47
Thermal Shock Resistance, points 9.8
8.0

Alloy Composition


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Aluminum (Al), % 0
82.2 to 91.8
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 0 to 0.030
3.0 to 5.0
Iron (Fe), % 0 to 0.010
0 to 1.0
Lead (Pb), % 0
0 to 0.3
Magnesium (Mg), % 91.8 to 95.1
0 to 0.55
Manganese (Mn), % 0 to 0.15
0.2 to 0.65
Nickel (Ni), % 0 to 0.0050
0 to 0.45
Silicon (Si), % 0 to 0.010
5.0 to 7.0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0
0 to 0.25
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0 to 2.0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.35