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Zamak 7 vs. 2014 Aluminum

Zamak 7 belongs to the zinc alloys classification, while 2014 aluminum belongs to the aluminum alloys. There are 30 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 7 and the bottom bar is 2014 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
72
Elongation at Break, % 13
1.5 to 16
Fatigue Strength, MPa 47
90 to 160
Poisson's Ratio 0.25
0.33
Shear Modulus, GPa 33
27
Shear Strength, MPa 210
130 to 290
Tensile Strength: Ultimate (UTS), MPa 280
190 to 500
Tensile Strength: Yield (Proof), MPa 250
100 to 440

Thermal Properties

Latent Heat of Fusion, J/g 120
400
Maximum Temperature: Mechanical, °C 95
210
Melting Completion (Liquidus), °C 390
630
Melting Onset (Solidus), °C 380
510
Specific Heat Capacity, J/kg-K 410
870
Thermal Conductivity, W/m-K 110
150
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
40
Electrical Conductivity: Equal Weight (Specific), % IACS 38
120

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 6.4
3.0
Embodied Carbon, kg CO2/kg material 3.0
8.1
Embodied Energy, MJ/kg 57
150
Embodied Water, L/kg 380
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
6.6 to 56
Resilience: Unit (Modulus of Resilience), kJ/m3 370
76 to 1330
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 23
46
Strength to Weight: Axial, points 12
18 to 46
Strength to Weight: Bending, points 15
25 to 46
Thermal Diffusivity, mm2/s 43
58
Thermal Shock Resistance, points 8.6
8.4 to 22

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
90.4 to 95
Cadmium (Cd), % 0 to 0.0020
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.25
3.9 to 5.0
Iron (Fe), % 0 to 0.075
0 to 0.7
Lead (Pb), % 0 to 0.0030
0
Magnesium (Mg), % 0.0050 to 0.020
0.2 to 0.8
Manganese (Mn), % 0
0.4 to 1.2
Nickel (Ni), % 0.0050 to 0.020
0
Silicon (Si), % 0
0.5 to 1.2
Tin (Sn), % 0 to 0.0010
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 95.3 to 96.5
0 to 0.25
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15