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1050 Aluminum vs. Zamak 7

1050 aluminum belongs to the aluminum alloys classification, while Zamak 7 belongs to the zinc 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 1050 aluminum and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
86
Elongation at Break, % 4.6 to 37
13
Fatigue Strength, MPa 31 to 57
47
Poisson's Ratio 0.33
0.25
Shear Modulus, GPa 26
33
Shear Strength, MPa 52 to 81
210
Tensile Strength: Ultimate (UTS), MPa 76 to 140
280
Tensile Strength: Yield (Proof), MPa 25 to 120
250

Thermal Properties

Latent Heat of Fusion, J/g 400
120
Maximum Temperature: Mechanical, °C 170
95
Melting Completion (Liquidus), °C 640
390
Melting Onset (Solidus), °C 650
380
Specific Heat Capacity, J/kg-K 900
410
Thermal Conductivity, W/m-K 230
110
Thermal Expansion, µm/m-K 24
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
27
Electrical Conductivity: Equal Weight (Specific), % IACS 200
38

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
6.4
Embodied Carbon, kg CO2/kg material 8.3
3.0
Embodied Energy, MJ/kg 160
57
Embodied Water, L/kg 1200
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.4 to 22
36
Resilience: Unit (Modulus of Resilience), kJ/m3 4.6 to 110
370
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 7.8 to 14
12
Strength to Weight: Bending, points 15 to 22
15
Thermal Diffusivity, mm2/s 94
43
Thermal Shock Resistance, points 3.4 to 6.2
8.6

Alloy Composition

Aluminum (Al), % 99.5 to 100
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 0 to 0.050
0 to 0.25
Iron (Fe), % 0 to 0.4
0 to 0.075
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 0 to 0.050
0.0050 to 0.020
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 0
0.0050 to 0.020
Silicon (Si), % 0 to 0.25
0
Tin (Sn), % 0
0 to 0.0010
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.050
95.3 to 96.5