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Zamak 5 vs. 4006 Aluminum

Zamak 5 belongs to the zinc alloys classification, while 4006 aluminum belongs to the aluminum 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. 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 4006 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 92
28 to 45
Elastic (Young's, Tensile) Modulus, GPa 87
69
Elongation at Break, % 6.3
3.4 to 24
Fatigue Strength, MPa 56
35 to 110
Poisson's Ratio 0.25
0.33
Shear Modulus, GPa 33
26
Shear Strength, MPa 260
70 to 91
Tensile Strength: Ultimate (UTS), MPa 330
110 to 160
Tensile Strength: Yield (Proof), MPa 240
62 to 140

Thermal Properties

Latent Heat of Fusion, J/g 120
410
Maximum Temperature: Mechanical, °C 95
160
Melting Completion (Liquidus), °C 390
640
Melting Onset (Solidus), °C 380
620
Specific Heat Capacity, J/kg-K 410
900
Thermal Conductivity, W/m-K 110
220
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
56
Electrical Conductivity: Equal Weight (Specific), % IACS 37
180

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.0
Density, g/cm3 6.4
2.7
Embodied Carbon, kg CO2/kg material 3.0
8.1
Embodied Energy, MJ/kg 57
150
Embodied Water, L/kg 380
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
5.1 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 330
28 to 130
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
50
Strength to Weight: Axial, points 14
11 to 16
Strength to Weight: Bending, points 16
19 to 24
Thermal Diffusivity, mm2/s 42
89
Thermal Shock Resistance, points 9.9
4.9 to 7.0

Alloy Composition


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Aluminum (Al), % 3.5 to 4.3
97.4 to 98.7
Cadmium (Cd), % 0 to 0.0050
0
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 0.7 to 1.3
0 to 0.1
Iron (Fe), % 0 to 0.1
0.5 to 0.8
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.025 to 0.080
0 to 0.010
Manganese (Mn), % 0
0 to 0.050
Nickel (Ni), % 0 to 0.020
0
Silicon (Si), % 0 to 0.030
0.8 to 1.2
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 94.3 to 95.7
0 to 0.050
Residuals, % 0
0 to 0.15