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2219 Aluminum vs. EN-MC21210 Magnesium

2219 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 2219 aluminum and the bottom bar is EN-MC21210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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