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5086 Aluminum vs. ZE41A Magnesium

5086 aluminum belongs to the aluminum alloys classification, while ZE41A magnesium belongs to the magnesium alloys. There are 31 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 5086 aluminum and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65 to 100
63
Elastic (Young's, Tensile) Modulus, GPa 68
45
Elongation at Break, % 1.7 to 20
3.3
Fatigue Strength, MPa 88 to 180
98
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 160 to 230
150
Tensile Strength: Ultimate (UTS), MPa 270 to 390
210
Tensile Strength: Yield (Proof), MPa 110 to 320
140

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 190
150
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 590
540
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 24
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
27
Electrical Conductivity: Equal Weight (Specific), % IACS 100
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 8.8
24
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1180
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.8 to 42
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 86 to 770
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
63
Strength to Weight: Axial, points 28 to 40
31
Strength to Weight: Bending, points 34 to 44
41
Thermal Diffusivity, mm2/s 52
59
Thermal Shock Resistance, points 12 to 17
12

Alloy Composition

Aluminum (Al), % 93 to 96.3
0
Chromium (Cr), % 0.050 to 0.25
0
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0 to 0.5
0
Magnesium (Mg), % 3.5 to 4.5
91.7 to 95.4
Manganese (Mn), % 0.2 to 0.7
0 to 0.15
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.4
0
Titanium (Ti), % 0 to 0.15
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0 to 0.25
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3