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EN-MC21310 Magnesium vs. 3303 Aluminum

EN-MC21310 magnesium belongs to the magnesium alloys classification, while 3303 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-MC21310 magnesium and the bottom bar is 3303 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
70
Elongation at Break, % 9.0
23
Fatigue Strength, MPa 86
43
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 120
69
Tensile Strength: Ultimate (UTS), MPa 200
110
Tensile Strength: Yield (Proof), MPa 120
39

Thermal Properties

Latent Heat of Fusion, J/g 360
400
Maximum Temperature: Mechanical, °C 100
180
Melting Completion (Liquidus), °C 600
650
Melting Onset (Solidus), °C 560
620
Specific Heat Capacity, J/kg-K 1000
900
Thermal Conductivity, W/m-K 89
170
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
43
Electrical Conductivity: Equal Weight (Specific), % IACS 120
140

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.6
2.8
Embodied Carbon, kg CO2/kg material 23
8.1
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 970
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16
20
Resilience: Unit (Modulus of Resilience), kJ/m3 160
11
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 73
49
Strength to Weight: Axial, points 34
11
Strength to Weight: Bending, points 47
18
Thermal Diffusivity, mm2/s 55
67
Thermal Shock Resistance, points 12
4.8

Alloy Composition


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Aluminum (Al), % 1.8 to 2.6
96.6 to 99
Copper (Cu), % 0 to 0.010
0.050 to 0.2
Iron (Fe), % 0 to 0.0050
0 to 0.7
Magnesium (Mg), % 95.2 to 97.4
0
Manganese (Mn), % 0.1 to 0.7
1.0 to 1.5
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0.7 to 1.2
0 to 0.6
Zinc (Zn), % 0 to 0.2
0 to 0.3
Residuals, % 0 to 0.010
0 to 0.15