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Zamak 3 vs. 3203 Aluminum

Zamak 3 belongs to the zinc alloys classification, while 3203 aluminum belongs to the aluminum 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 Zamak 3 and the bottom bar is 3203 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
70
Elongation at Break, % 11
4.5 to 29
Fatigue Strength, MPa 48
46 to 92
Poisson's Ratio 0.25
0.33
Shear Modulus, GPa 33
26
Shear Strength, MPa 210
72 to 120
Tensile Strength: Ultimate (UTS), MPa 280
110 to 200
Tensile Strength: Yield (Proof), MPa 210
39 to 190

Thermal Properties

Latent Heat of Fusion, J/g 120
400
Maximum Temperature: Mechanical, °C 95
180
Melting Completion (Liquidus), °C 390
650
Melting Onset (Solidus), °C 380
620
Specific Heat Capacity, J/kg-K 410
900
Thermal Conductivity, W/m-K 110
170
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
43
Electrical Conductivity: Equal Weight (Specific), % IACS 38
140

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.0
Density, g/cm3 6.4
2.8
Embodied Carbon, kg CO2/kg material 3.0
8.1
Embodied Energy, MJ/kg 57
150
Embodied Water, L/kg 380
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
8.0 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 260
11 to 250
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
50
Strength to Weight: Axial, points 12
11 to 20
Strength to Weight: Bending, points 15
19 to 28
Thermal Diffusivity, mm2/s 43
70
Thermal Shock Resistance, points 8.6
4.9 to 8.8

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
96.9 to 99
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 0 to 0.25
0 to 0.050
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
Manganese (Mn), % 0
1.0 to 1.5
Nickel (Ni), % 0 to 0.020
0
Silicon (Si), % 0 to 0.030
0 to 0.6
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 95.3 to 96.5
0 to 0.1
Residuals, % 0
0 to 0.15