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AZ91E Magnesium vs. 6110 Aluminum

AZ91E magnesium belongs to the magnesium alloys classification, while 6110 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AZ91E magnesium and the bottom bar is 6110 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
70
Elongation at Break, % 2.5 to 6.2
2.2
Fatigue Strength, MPa 81 to 85
120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
26
Shear Strength, MPa 89 to 150
290
Tensile Strength: Ultimate (UTS), MPa 160 to 260
500
Tensile Strength: Yield (Proof), MPa 96 to 130
500

Thermal Properties

Latent Heat of Fusion, J/g 350
410
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 500
600
Specific Heat Capacity, J/kg-K 990
900
Thermal Conductivity, W/m-K 84
170
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10 to 12
42
Electrical Conductivity: Equal Weight (Specific), % IACS 52 to 60
140

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.7
2.8
Embodied Carbon, kg CO2/kg material 22
8.2
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 990
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.4 to 12
11
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 190
1770
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 69
50
Strength to Weight: Axial, points 25 to 42
51
Strength to Weight: Bending, points 37 to 53
51
Thermal Diffusivity, mm2/s 49
67
Thermal Shock Resistance, points 9.0 to 15
22

Alloy Composition

Aluminum (Al), % 8.1 to 9.3
94.4 to 98.4
Chromium (Cr), % 0
0.040 to 0.25
Copper (Cu), % 0 to 0.015
0.2 to 0.7
Iron (Fe), % 0 to 0.0050
0 to 0.8
Magnesium (Mg), % 88.8 to 91.3
0.5 to 1.1
Manganese (Mn), % 0.17 to 0.35
0.2 to 0.7
Nickel (Ni), % 0 to 0.0010
0
Silicon (Si), % 0 to 0.2
0.7 to 1.5
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0.4 to 1.0
0 to 0.3
Residuals, % 0
0 to 0.15