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EN-MC21310 Magnesium vs. 3005 Aluminum

EN-MC21310 magnesium belongs to the magnesium alloys classification, while 3005 aluminum belongs to the aluminum alloys.

For each property being compared, the top bar is EN-MC21310 magnesium and the bottom bar is 3005 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
33 to 73
Elastic (Young's, Tensile) Modulus, GPa 45
70
Elongation at Break, % 9.0
1.1 to 16
Fatigue Strength, MPa 86
53 to 100
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 120
84 to 150
Tensile Strength: Ultimate (UTS), MPa 200
140 to 270
Tensile Strength: Yield (Proof), MPa 120
51 to 240

Thermal Properties

Latent Heat of Fusion, J/g 360
400
Maximum Temperature: Mechanical, °C 100
180
Melting Completion (Liquidus), °C 600
660
Melting Onset (Solidus), °C 560
640
Specific Heat Capacity, J/kg-K 1000
900
Thermal Conductivity, W/m-K 89
160
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
42
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
8.2
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 970
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16
2.2 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 160
18 to 390
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 73
49
Strength to Weight: Axial, points 34
14 to 27
Strength to Weight: Bending, points 47
21 to 33
Thermal Diffusivity, mm2/s 55
64
Thermal Shock Resistance, points 12
6.0 to 12

Alloy Composition


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Aluminum (Al), % 1.8 to 2.6
95.7 to 98.8
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.010
0 to 0.3
Iron (Fe), % 0 to 0.0050
0 to 0.7
Magnesium (Mg), % 95.2 to 97.4
0.2 to 0.6
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
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.2
0 to 0.25
Residuals, % 0 to 0.010
0 to 0.15