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AZ91E Magnesium vs. 6008 Aluminum

AZ91E magnesium belongs to the magnesium alloys classification, while 6008 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 6008 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
69
Elongation at Break, % 2.5 to 6.2
9.1 to 17
Fatigue Strength, MPa 81 to 85
55 to 88
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
26
Shear Strength, MPa 89 to 150
120 to 170
Tensile Strength: Ultimate (UTS), MPa 160 to 260
200 to 290
Tensile Strength: Yield (Proof), MPa 96 to 130
100 to 220

Thermal Properties

Latent Heat of Fusion, J/g 350
410
Maximum Temperature: Mechanical, °C 130
180
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 500
620
Specific Heat Capacity, J/kg-K 990
900
Thermal Conductivity, W/m-K 84
190
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10 to 12
49
Electrical Conductivity: Equal Weight (Specific), % IACS 52 to 60
160

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.7
2.7
Embodied Carbon, kg CO2/kg material 22
8.5
Embodied Energy, MJ/kg 160
160
Embodied Water, L/kg 990
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.4 to 12
24 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 190
76 to 360
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 69
50
Strength to Weight: Axial, points 25 to 42
21 to 29
Strength to Weight: Bending, points 37 to 53
28 to 35
Thermal Diffusivity, mm2/s 49
77
Thermal Shock Resistance, points 9.0 to 15
9.0 to 13

Alloy Composition

Aluminum (Al), % 8.1 to 9.3
96.5 to 99.1
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.015
0 to 0.3
Iron (Fe), % 0 to 0.0050
0 to 0.35
Magnesium (Mg), % 88.8 to 91.3
0.4 to 0.7
Manganese (Mn), % 0.17 to 0.35
0 to 0.3
Nickel (Ni), % 0 to 0.0010
0
Silicon (Si), % 0 to 0.2
0.5 to 0.9
Titanium (Ti), % 0
0 to 0.1
Vanadium (V), % 0
0.050 to 0.2
Zinc (Zn), % 0.4 to 1.0
0 to 0.2
Residuals, % 0
0 to 0.15

Comparable Variants