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6262A-T6 Aluminum vs. AZ91E-T6 Magnesium

6262A-T6 aluminum belongs to the aluminum alloys classification, while AZ91E-T6 magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is 6262A-T6 aluminum and the bottom bar is AZ91E-T6 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
46
Elongation at Break, % 11
3.9
Fatigue Strength, MPa 110
84
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 190
150
Tensile Strength: Ultimate (UTS), MPa 310
260
Tensile Strength: Yield (Proof), MPa 270
130

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 580
500
Specific Heat Capacity, J/kg-K 890
990
Thermal Conductivity, W/m-K 170
84
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
11
Electrical Conductivity: Equal Weight (Specific), % IACS 140
58

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 2.8
1.7
Embodied Carbon, kg CO2/kg material 8.4
22
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1190
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
8.6
Resilience: Unit (Modulus of Resilience), kJ/m3 540
190
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 49
69
Strength to Weight: Axial, points 31
42
Strength to Weight: Bending, points 36
53
Thermal Diffusivity, mm2/s 67
49
Thermal Shock Resistance, points 14
15

Alloy Composition

Aluminum (Al), % 94.2 to 97.8
8.1 to 9.3
Bismuth (Bi), % 0.4 to 0.9
0
Chromium (Cr), % 0.040 to 0.14
0
Copper (Cu), % 0.15 to 0.4
0 to 0.015
Iron (Fe), % 0 to 0.7
0 to 0.0050
Magnesium (Mg), % 0.8 to 1.2
88.8 to 91.3
Manganese (Mn), % 0 to 0.15
0.17 to 0.35
Nickel (Ni), % 0
0 to 0.0010
Silicon (Si), % 0.4 to 0.8
0 to 0.2
Tin (Sn), % 0.4 to 1.0
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0.4 to 1.0
Residuals, % 0
0 to 0.3