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6063 Aluminum vs. ZE41A Magnesium

6063 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 (4, in this case) are not shown.

For each property being compared, the top bar is 6063 aluminum and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 25 to 95
63
Elastic (Young's, Tensile) Modulus, GPa 68
45
Elongation at Break, % 7.3 to 21
3.3
Fatigue Strength, MPa 39 to 95
98
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 70 to 190
150
Tensile Strength: Ultimate (UTS), MPa 110 to 300
210
Tensile Strength: Yield (Proof), MPa 49 to 270
140

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 160
150
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 620
540
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 190 to 220
110
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49 to 58
27
Electrical Conductivity: Equal Weight (Specific), % IACS 160 to 190
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 8.3
24
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1190
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 27
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 540
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
63
Strength to Weight: Axial, points 11 to 31
31
Strength to Weight: Bending, points 18 to 37
41
Thermal Diffusivity, mm2/s 79 to 89
59
Thermal Shock Resistance, points 4.8 to 13
12

Alloy Composition

Aluminum (Al), % 97.5 to 99.4
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0 to 0.35
0
Magnesium (Mg), % 0.45 to 0.9
91.7 to 95.4
Manganese (Mn), % 0 to 0.1
0 to 0.15
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.2 to 0.6
0
Titanium (Ti), % 0 to 0.1
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0 to 0.1
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3