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EN-MC21210 Magnesium vs. 2219 Aluminum

EN-MC21210 magnesium belongs to the magnesium alloys classification, while 2219 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-MC21210 magnesium and the bottom bar is 2219 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
72
Elongation at Break, % 14
2.2 to 20
Fatigue Strength, MPa 70
90 to 130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Shear Strength, MPa 110
110 to 280
Tensile Strength: Ultimate (UTS), MPa 190
180 to 480
Tensile Strength: Yield (Proof), MPa 90
88 to 390

Thermal Properties

Latent Heat of Fusion, J/g 350
390
Maximum Temperature: Mechanical, °C 100
230
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 570
540
Specific Heat Capacity, J/kg-K 1000
870
Thermal Conductivity, W/m-K 120
110 to 170
Thermal Expansion, µm/m-K 27
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
28 to 44
Electrical Conductivity: Equal Weight (Specific), % IACS 130
81 to 130

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 1.6
3.1
Embodied Carbon, kg CO2/kg material 24
8.2
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 980
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
9.6 to 60
Resilience: Unit (Modulus of Resilience), kJ/m3 92
54 to 1060
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 72
44
Strength to Weight: Axial, points 32
16 to 43
Strength to Weight: Bending, points 44
23 to 44
Thermal Diffusivity, mm2/s 76
42 to 63
Thermal Shock Resistance, points 11
8.2 to 22

Alloy Composition


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Aluminum (Al), % 1.6 to 2.6
91.5 to 93.8
Copper (Cu), % 0 to 0.010
5.8 to 6.8
Iron (Fe), % 0 to 0.0050
0 to 0.3
Magnesium (Mg), % 96.3 to 98.3
0 to 0.020
Manganese (Mn), % 0.1 to 0.7
0.2 to 0.4
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
0 to 0.2
Titanium (Ti), % 0
0.020 to 0.1
Vanadium (V), % 0
0.050 to 0.15
Zinc (Zn), % 0 to 0.2
0 to 0.1
Zirconium (Zr), % 0
0.1 to 0.25
Residuals, % 0 to 0.010
0 to 0.15