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2011 Aluminum vs. EN-MC21310 Magnesium

2011 aluminum belongs to the aluminum alloys classification, while EN-MC21310 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 2011 aluminum and the bottom bar is EN-MC21310 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
45
Elongation at Break, % 8.5 to 18
9.0
Fatigue Strength, MPa 74 to 120
86
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
17
Shear Strength, MPa 190 to 250
120
Tensile Strength: Ultimate (UTS), MPa 310 to 420
200
Tensile Strength: Yield (Proof), MPa 140 to 310
120

Thermal Properties

Latent Heat of Fusion, J/g 390
360
Maximum Temperature: Mechanical, °C 190
100
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 540
560
Specific Heat Capacity, J/kg-K 870
1000
Thermal Conductivity, W/m-K 140 to 170
89
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35 to 45
22
Electrical Conductivity: Equal Weight (Specific), % IACS 100 to 130
120

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 3.1
1.6
Embodied Carbon, kg CO2/kg material 7.9
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1150
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 52
16
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 680
160
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 44
73
Strength to Weight: Axial, points 27 to 37
34
Strength to Weight: Bending, points 32 to 40
47
Thermal Diffusivity, mm2/s 51 to 64
55
Thermal Shock Resistance, points 14 to 19
12

Alloy Composition

Aluminum (Al), % 91.3 to 94.6
1.8 to 2.6
Bismuth (Bi), % 0.2 to 0.6
0
Copper (Cu), % 5.0 to 6.0
0 to 0.010
Iron (Fe), % 0 to 0.7
0 to 0.0050
Lead (Pb), % 0.2 to 0.6
0
Magnesium (Mg), % 0
95.2 to 97.4
Manganese (Mn), % 0
0.1 to 0.7
Nickel (Ni), % 0
0 to 0.0020
Silicon (Si), % 0 to 0.4
0.7 to 1.2
Zinc (Zn), % 0 to 0.3
0 to 0.2
Residuals, % 0
0 to 0.010