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6023 Aluminum vs. Zamak 3

6023 aluminum belongs to the aluminum alloys classification, while Zamak 3 belongs to the zinc alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, 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 6023 aluminum and the bottom bar is Zamak 3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
86
Elongation at Break, % 11
11
Fatigue Strength, MPa 120 to 130
48
Poisson's Ratio 0.33
0.25
Shear Modulus, GPa 26
33
Shear Strength, MPa 210 to 220
210
Tensile Strength: Ultimate (UTS), MPa 360
280
Tensile Strength: Yield (Proof), MPa 300 to 310
210

Thermal Properties

Latent Heat of Fusion, J/g 400
120
Maximum Temperature: Mechanical, °C 160
95
Melting Completion (Liquidus), °C 640
390
Melting Onset (Solidus), °C 580
380
Specific Heat Capacity, J/kg-K 890
410
Thermal Conductivity, W/m-K 170
110
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
27
Electrical Conductivity: Equal Weight (Specific), % IACS 140
38

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 2.8
6.4
Embodied Carbon, kg CO2/kg material 8.3
3.0
Embodied Energy, MJ/kg 150
57
Embodied Water, L/kg 1180
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 39
28
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 690
260
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 49
23
Strength to Weight: Axial, points 35 to 36
12
Strength to Weight: Bending, points 40
15
Thermal Diffusivity, mm2/s 67
43
Thermal Shock Resistance, points 16
8.6

Alloy Composition


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Aluminum (Al), % 94 to 97.7
3.5 to 4.3
Bismuth (Bi), % 0.3 to 0.8
0
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 0.2 to 0.5
0 to 0.25
Iron (Fe), % 0 to 0.5
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0.4 to 0.9
0.020 to 0.060
Manganese (Mn), % 0.2 to 0.6
0
Nickel (Ni), % 0
0 to 0.020
Silicon (Si), % 0.6 to 1.4
0 to 0.030
Tin (Sn), % 0.6 to 1.2
0 to 0.0030
Zinc (Zn), % 0
95.3 to 96.5
Residuals, % 0 to 0.15
0