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6066 Aluminum vs. ZK60A Magnesium

6066 aluminum belongs to the aluminum alloys classification, while ZK60A magnesium belongs to the magnesium alloys.

For each property being compared, the top bar is 6066 aluminum and the bottom bar is ZK60A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
46
Elongation at Break, % 7.8 to 17
4.5 to 9.9
Fatigue Strength, MPa 94 to 130
150 to 180
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 95 to 240
170 to 190
Tensile Strength: Ultimate (UTS), MPa 160 to 400
320 to 330
Tensile Strength: Yield (Proof), MPa 93 to 360
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 410
330
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 650
600
Melting Onset (Solidus), °C 560
550
Specific Heat Capacity, J/kg-K 890
960
Thermal Conductivity, W/m-K 150
120
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
29 to 30
Electrical Conductivity: Equal Weight (Specific), % IACS 130
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.8
1.9
Embodied Carbon, kg CO2/kg material 8.3
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1160
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23 to 52
14 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 61 to 920
570 to 690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
63
Strength to Weight: Axial, points 16 to 39
47 to 49
Strength to Weight: Bending, points 23 to 43
55 to 56
Thermal Diffusivity, mm2/s 61
66
Thermal Shock Resistance, points 6.9 to 17
19 to 20

Alloy Composition

Aluminum (Al), % 93 to 97
0
Chromium (Cr), % 0 to 0.4
0
Copper (Cu), % 0.7 to 1.2
0
Iron (Fe), % 0 to 0.5
0
Magnesium (Mg), % 0.8 to 1.4
92.5 to 94.8
Manganese (Mn), % 0.6 to 1.1
0
Silicon (Si), % 0.9 to 1.8
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.25
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 1.0
Residuals, % 0
0 to 0.3

Comparable Variants