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Zamak 5 vs. 5754 Aluminum

Zamak 5 belongs to the zinc alloys classification, while 5754 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 5754 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 92
52 to 88
Elastic (Young's, Tensile) Modulus, GPa 87
68
Elongation at Break, % 6.3
2.0 to 19
Fatigue Strength, MPa 56
66 to 140
Poisson's Ratio 0.25
0.33
Shear Modulus, GPa 33
26
Shear Strength, MPa 260
120 to 190
Tensile Strength: Ultimate (UTS), MPa 330
200 to 330
Tensile Strength: Yield (Proof), MPa 240
80 to 280

Thermal Properties

Latent Heat of Fusion, J/g 120
400
Maximum Temperature: Mechanical, °C 95
190
Melting Completion (Liquidus), °C 390
650
Melting Onset (Solidus), °C 380
600
Specific Heat Capacity, J/kg-K 410
900
Thermal Conductivity, W/m-K 110
130
Thermal Expansion, µm/m-K 27
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
33
Electrical Conductivity: Equal Weight (Specific), % IACS 37
110

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 6.4
2.7
Embodied Carbon, kg CO2/kg material 3.0
8.7
Embodied Energy, MJ/kg 57
150
Embodied Water, L/kg 380
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
6.1 to 32
Resilience: Unit (Modulus of Resilience), kJ/m3 330
47 to 580
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
50
Strength to Weight: Axial, points 14
21 to 34
Strength to Weight: Bending, points 16
28 to 39
Thermal Diffusivity, mm2/s 42
54
Thermal Shock Resistance, points 9.9
8.9 to 14

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
94.2 to 97.4
Cadmium (Cd), % 0 to 0.0050
0
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0.7 to 1.3
0 to 0.1
Iron (Fe), % 0 to 0.1
0 to 0.4
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.025 to 0.080
2.6 to 3.6
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.020
0
Silicon (Si), % 0 to 0.030
0 to 0.4
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 94.3 to 95.7
0 to 0.2
Residuals, % 0
0 to 0.15