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Zamak 2 vs. 2017A Aluminum

Zamak 2 belongs to the zinc alloys classification, while 2017A 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 2 and the bottom bar is 2017A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
71
Elongation at Break, % 6.0
2.2 to 14
Fatigue Strength, MPa 59
92 to 130
Poisson's Ratio 0.26
0.33
Shear Modulus, GPa 33
27
Shear Strength, MPa 320
120 to 270
Tensile Strength: Ultimate (UTS), MPa 360
200 to 460
Tensile Strength: Yield (Proof), MPa 270
110 to 290

Thermal Properties

Latent Heat of Fusion, J/g 130
390
Maximum Temperature: Mechanical, °C 95
220
Melting Completion (Liquidus), °C 390
650
Melting Onset (Solidus), °C 380
510
Specific Heat Capacity, J/kg-K 410
880
Thermal Conductivity, W/m-K 110
150
Thermal Expansion, µm/m-K 28
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
34
Electrical Conductivity: Equal Weight (Specific), % IACS 35
100

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 6.5
3.0
Embodied Carbon, kg CO2/kg material 3.0
8.2
Embodied Energy, MJ/kg 57
150
Embodied Water, L/kg 380
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
6.7 to 53
Resilience: Unit (Modulus of Resilience), kJ/m3 420
90 to 570
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 23
46
Strength to Weight: Axial, points 15
19 to 42
Strength to Weight: Bending, points 17
26 to 44
Thermal Diffusivity, mm2/s 41
56
Thermal Shock Resistance, points 11
8.9 to 20

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
91.3 to 95.5
Cadmium (Cd), % 0 to 0.0050
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 2.5 to 3.3
3.5 to 4.5
Iron (Fe), % 0 to 0.1
0 to 0.7
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0.4 to 1.0
Manganese (Mn), % 0
0.4 to 1.0
Nickel (Ni), % 0 to 0.020
0
Silicon (Si), % 0 to 0.030
0.2 to 0.8
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 92.2 to 94
0 to 0.25
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15