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6008 Aluminum vs. ZE41A Magnesium

6008 aluminum belongs to the aluminum alloys classification, while ZE41A 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 6008 aluminum and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
45
Elongation at Break, % 9.1 to 17
3.3
Fatigue Strength, MPa 55 to 88
98
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 120 to 170
150
Tensile Strength: Ultimate (UTS), MPa 200 to 290
210
Tensile Strength: Yield (Proof), MPa 100 to 220
140

Thermal Properties

Latent Heat of Fusion, J/g 410
330
Maximum Temperature: Mechanical, °C 180
150
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 620
540
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 190
110
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49
27
Electrical Conductivity: Equal Weight (Specific), % IACS 160
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 8.5
24
Embodied Energy, MJ/kg 160
170
Embodied Water, L/kg 1180
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 28
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 76 to 360
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
63
Strength to Weight: Axial, points 21 to 29
31
Strength to Weight: Bending, points 28 to 35
41
Thermal Diffusivity, mm2/s 77
59
Thermal Shock Resistance, points 9.0 to 13
12

Alloy Composition

Aluminum (Al), % 96.5 to 99.1
0
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.3
0 to 0.1
Iron (Fe), % 0 to 0.35
0
Magnesium (Mg), % 0.4 to 0.7
91.7 to 95.4
Manganese (Mn), % 0 to 0.3
0 to 0.15
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.5 to 0.9
0
Titanium (Ti), % 0 to 0.1
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Vanadium (V), % 0.050 to 0.2
0
Zinc (Zn), % 0 to 0.2
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3