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EN AC-45500 Aluminum vs. EN-MC21210 Magnesium

EN AC-45500 aluminum belongs to the aluminum alloys classification, while EN-MC21210 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-45500 aluminum and the bottom bar is EN-MC21210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
48
Elastic (Young's, Tensile) Modulus, GPa 70
44
Elongation at Break, % 2.8
14
Fatigue Strength, MPa 80
70
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Tensile Strength: Ultimate (UTS), MPa 320
190
Tensile Strength: Yield (Proof), MPa 250
90

Thermal Properties

Latent Heat of Fusion, J/g 500
350
Maximum Temperature: Mechanical, °C 170
100
Melting Completion (Liquidus), °C 610
600
Melting Onset (Solidus), °C 600
570
Specific Heat Capacity, J/kg-K 900
1000
Thermal Conductivity, W/m-K 150
120
Thermal Expansion, µm/m-K 22
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
24
Electrical Conductivity: Equal Weight (Specific), % IACS 110
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.6
1.6
Embodied Carbon, kg CO2/kg material 8.0
24
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1110
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.2
22
Resilience: Unit (Modulus of Resilience), kJ/m3 430
92
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 53
72
Strength to Weight: Axial, points 34
32
Strength to Weight: Bending, points 40
44
Thermal Diffusivity, mm2/s 65
76
Thermal Shock Resistance, points 15
11

Alloy Composition

Aluminum (Al), % 90.6 to 93.1
1.6 to 2.6
Copper (Cu), % 0.2 to 0.7
0 to 0.010
Iron (Fe), % 0 to 0.25
0 to 0.0050
Magnesium (Mg), % 0.2 to 0.45
96.3 to 98.3
Manganese (Mn), % 0 to 0.15
0.1 to 0.7
Nickel (Ni), % 0
0 to 0.0020
Silicon (Si), % 6.5 to 7.5
0 to 0.1
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.070
0 to 0.2
Residuals, % 0
0 to 0.010