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6182 Aluminum vs. ZE41A Magnesium

6182 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 6182 aluminum and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
45
Elongation at Break, % 6.8 to 13
3.3
Fatigue Strength, MPa 63 to 99
98
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 140 to 190
150
Tensile Strength: Ultimate (UTS), MPa 230 to 320
210
Tensile Strength: Yield (Proof), MPa 130 to 270
140

Thermal Properties

Latent Heat of Fusion, J/g 410
330
Maximum Temperature: Mechanical, °C 190
150
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 600
540
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 160
110
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
27
Electrical Conductivity: Equal Weight (Specific), % IACS 130
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 8.4
24
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1170
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 520
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
63
Strength to Weight: Axial, points 23 to 32
31
Strength to Weight: Bending, points 30 to 38
41
Thermal Diffusivity, mm2/s 65
59
Thermal Shock Resistance, points 10 to 14
12

Alloy Composition

Aluminum (Al), % 95 to 97.9
0
Chromium (Cr), % 0 to 0.25
0
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0 to 0.5
0
Magnesium (Mg), % 0.7 to 1.2
91.7 to 95.4
Manganese (Mn), % 0.5 to 1.0
0 to 0.15
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.9 to 1.3
0
Titanium (Ti), % 0 to 0.1
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0 to 0.2
3.5 to 5.0
Zirconium (Zr), % 0.050 to 0.2
0.4 to 1.0
Residuals, % 0
0 to 0.3