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7049A Aluminum vs. Zamak 3

7049A 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 7049A aluminum and the bottom bar is Zamak 3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
86
Elongation at Break, % 5.0 to 5.7
11
Fatigue Strength, MPa 180
48
Poisson's Ratio 0.32
0.25
Shear Modulus, GPa 27
33
Shear Strength, MPa 340 to 350
210
Tensile Strength: Ultimate (UTS), MPa 580 to 590
280
Tensile Strength: Yield (Proof), MPa 500 to 530
210

Thermal Properties

Latent Heat of Fusion, J/g 370
120
Maximum Temperature: Mechanical, °C 200
95
Melting Completion (Liquidus), °C 640
390
Melting Onset (Solidus), °C 430
380
Specific Heat Capacity, J/kg-K 850
410
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 24
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
27
Electrical Conductivity: Equal Weight (Specific), % IACS 120
38

Otherwise Unclassified Properties

Base Metal Price, % relative 10
11
Density, g/cm3 3.1
6.4
Embodied Carbon, kg CO2/kg material 8.2
3.0
Embodied Energy, MJ/kg 150
57
Embodied Water, L/kg 1100
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28 to 32
28
Resilience: Unit (Modulus of Resilience), kJ/m3 1800 to 1990
260
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 44
23
Strength to Weight: Axial, points 52 to 53
12
Strength to Weight: Bending, points 50 to 51
15
Thermal Diffusivity, mm2/s 50
43
Thermal Shock Resistance, points 25
8.6

Alloy Composition

Aluminum (Al), % 84.6 to 89.5
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Chromium (Cr), % 0.050 to 0.25
0
Copper (Cu), % 1.2 to 1.9
0 to 0.25
Iron (Fe), % 0 to 0.5
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 2.1 to 3.1
0.020 to 0.060
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.030
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 7.2 to 8.4
95.3 to 96.5
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0 to 0.15
0