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Zamak 5 vs. 6066 Aluminum

Zamak 5 belongs to the zinc alloys classification, while 6066 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is Zamak 5 and the bottom bar is 6066 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
70
Elongation at Break, % 6.3
7.8 to 17
Fatigue Strength, MPa 56
94 to 130
Poisson's Ratio 0.25
0.33
Shear Modulus, GPa 33
26
Shear Strength, MPa 260
95 to 240
Tensile Strength: Ultimate (UTS), MPa 330
160 to 400
Tensile Strength: Yield (Proof), MPa 240
93 to 360

Thermal Properties

Latent Heat of Fusion, J/g 120
410
Maximum Temperature: Mechanical, °C 95
170
Melting Completion (Liquidus), °C 390
650
Melting Onset (Solidus), °C 380
560
Specific Heat Capacity, J/kg-K 410
890
Thermal Conductivity, W/m-K 110
150
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
40
Electrical Conductivity: Equal Weight (Specific), % IACS 37
130

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 6.4
2.8
Embodied Carbon, kg CO2/kg material 3.0
8.3
Embodied Energy, MJ/kg 57
150
Embodied Water, L/kg 380
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
23 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 330
61 to 920
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
49
Strength to Weight: Axial, points 14
16 to 39
Strength to Weight: Bending, points 16
23 to 43
Thermal Diffusivity, mm2/s 42
61
Thermal Shock Resistance, points 9.9
6.9 to 17

Alloy Composition


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Aluminum (Al), % 3.5 to 4.3
93 to 97
Cadmium (Cd), % 0 to 0.0050
0
Chromium (Cr), % 0
0 to 0.4
Copper (Cu), % 0.7 to 1.3
0.7 to 1.2
Iron (Fe), % 0 to 0.1
0 to 0.5
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.025 to 0.080
0.8 to 1.4
Manganese (Mn), % 0
0.6 to 1.1
Nickel (Ni), % 0 to 0.020
0
Silicon (Si), % 0 to 0.030
0.9 to 1.8
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 94.3 to 95.7
0 to 0.25
Residuals, % 0
0 to 0.15