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Zamak 5 vs. 5026 Aluminum

Zamak 5 belongs to the zinc alloys classification, while 5026 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 5026 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
70
Elongation at Break, % 6.3
5.1 to 11
Fatigue Strength, MPa 56
94 to 140
Poisson's Ratio 0.25
0.33
Shear Modulus, GPa 33
26
Shear Strength, MPa 260
150 to 180
Tensile Strength: Ultimate (UTS), MPa 330
260 to 320
Tensile Strength: Yield (Proof), MPa 240
120 to 250

Thermal Properties

Latent Heat of Fusion, J/g 120
400
Maximum Temperature: Mechanical, °C 95
210
Melting Completion (Liquidus), °C 390
650
Melting Onset (Solidus), °C 380
510
Specific Heat Capacity, J/kg-K 410
890
Thermal Conductivity, W/m-K 110
130
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
31
Electrical Conductivity: Equal Weight (Specific), % IACS 37
99

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
8.9
Embodied Energy, MJ/kg 57
150
Embodied Water, L/kg 380
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
15 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 330
100 to 440
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
49
Strength to Weight: Axial, points 14
26 to 32
Strength to Weight: Bending, points 16
33 to 37
Thermal Diffusivity, mm2/s 42
52
Thermal Shock Resistance, points 9.9
11 to 14

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
88.2 to 94.7
Cadmium (Cd), % 0 to 0.0050
0
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0.7 to 1.3
0.1 to 0.8
Iron (Fe), % 0 to 0.1
0.2 to 1.0
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.025 to 0.080
3.9 to 4.9
Manganese (Mn), % 0
0.6 to 1.8
Nickel (Ni), % 0 to 0.020
0
Silicon (Si), % 0 to 0.030
0.55 to 1.4
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 94.3 to 95.7
0 to 1.0
Zirconium (Zr), % 0
0 to 0.3
Residuals, % 0
0 to 0.15