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Zamak 3 vs. 1230A Aluminum

Zamak 3 belongs to the zinc alloys classification, while 1230A 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 1230A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
69
Elongation at Break, % 11
4.5 to 34
Fatigue Strength, MPa 48
35 to 74
Poisson's Ratio 0.25
0.33
Shear Modulus, GPa 33
26
Shear Strength, MPa 210
59 to 99
Tensile Strength: Ultimate (UTS), MPa 280
89 to 170
Tensile Strength: Yield (Proof), MPa 210
29 to 150

Thermal Properties

Latent Heat of Fusion, J/g 120
400
Maximum Temperature: Mechanical, °C 95
170
Melting Completion (Liquidus), °C 390
640
Melting Onset (Solidus), °C 380
640
Specific Heat Capacity, J/kg-K 410
900
Thermal Conductivity, W/m-K 110
230
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
60
Electrical Conductivity: Equal Weight (Specific), % IACS 38
200

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.0
Density, g/cm3 6.4
2.7
Embodied Carbon, kg CO2/kg material 3.0
8.2
Embodied Energy, MJ/kg 57
150
Embodied Water, L/kg 380
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
6.4 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 260
5.9 to 150
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
50
Strength to Weight: Axial, points 12
9.1 to 17
Strength to Weight: Bending, points 15
16 to 25
Thermal Diffusivity, mm2/s 43
93
Thermal Shock Resistance, points 8.6
4.0 to 7.6

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
99.3 to 100
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 0 to 0.25
0 to 0.1
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 to 0.050
Manganese (Mn), % 0
0 to 0.050
Nickel (Ni), % 0 to 0.020
0
Silicon (Si), % 0 to 0.030
0 to 0.7
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 95.3 to 96.5
0 to 0.050