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2011A Aluminum vs. ISO-WD32350 Magnesium

2011A aluminum belongs to the aluminum alloys classification, while ISO-WD32350 magnesium belongs to the magnesium alloys.

For each property being compared, the top bar is 2011A aluminum and the bottom bar is ISO-WD32350 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
45
Elongation at Break, % 6.8 to 16
5.7 to 10
Fatigue Strength, MPa 75 to 100
120 to 130
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 190 to 250
150 to 170
Tensile Strength: Ultimate (UTS), MPa 310 to 410
250 to 290
Tensile Strength: Yield (Proof), MPa 140 to 310
140 to 180

Thermal Properties

Latent Heat of Fusion, J/g 390
340
Maximum Temperature: Mechanical, °C 190
95
Melting Completion (Liquidus), °C 660
600
Melting Onset (Solidus), °C 550
560
Specific Heat Capacity, J/kg-K 870
990
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 23
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
25
Electrical Conductivity: Equal Weight (Specific), % IACS 96
130

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 3.1
1.7
Embodied Carbon, kg CO2/kg material 7.9
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1150
960

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 40
14 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 670
210 to 380
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 44
68
Strength to Weight: Axial, points 28 to 37
39 to 46
Strength to Weight: Bending, points 33 to 40
50 to 55
Thermal Diffusivity, mm2/s 49
73
Thermal Shock Resistance, points 14 to 18
16 to 18

Alloy Composition

Aluminum (Al), % 91.5 to 95.1
0 to 0.1
Bismuth (Bi), % 0.2 to 0.6
0
Copper (Cu), % 4.5 to 6.0
0 to 0.1
Iron (Fe), % 0 to 0.5
0 to 0.060
Lead (Pb), % 0.2 to 0.6
0
Magnesium (Mg), % 0
95.7 to 97.7
Manganese (Mn), % 0
0.6 to 1.3
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.4
0 to 0.1
Zinc (Zn), % 0 to 0.3
1.8 to 2.3
Residuals, % 0
0 to 0.3