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Zamak 7 vs. 5050 Aluminum

Zamak 7 belongs to the zinc alloys classification, while 5050 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, 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 7 and the bottom bar is 5050 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
36 to 68
Elastic (Young's, Tensile) Modulus, GPa 86
68
Elongation at Break, % 13
1.7 to 22
Fatigue Strength, MPa 47
45 to 100
Poisson's Ratio 0.25
0.33
Shear Modulus, GPa 33
26
Shear Strength, MPa 210
91 to 140
Tensile Strength: Ultimate (UTS), MPa 280
140 to 250
Tensile Strength: Yield (Proof), MPa 250
50 to 210

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
630
Specific Heat Capacity, J/kg-K 410
900
Thermal Conductivity, W/m-K 110
190
Thermal Expansion, µm/m-K 27
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
50
Electrical Conductivity: Equal Weight (Specific), % IACS 38
170

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 6.4
2.7
Embodied Carbon, kg CO2/kg material 3.0
8.4
Embodied Energy, MJ/kg 57
150
Embodied Water, L/kg 380
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
4.1 to 24
Resilience: Unit (Modulus of Resilience), kJ/m3 370
18 to 330
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
50
Strength to Weight: Axial, points 12
15 to 26
Strength to Weight: Bending, points 15
22 to 33
Thermal Diffusivity, mm2/s 43
79
Thermal Shock Resistance, points 8.6
6.3 to 11

Alloy Composition


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Aluminum (Al), % 3.5 to 4.3
96.3 to 98.9
Cadmium (Cd), % 0 to 0.0020
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.25
0 to 0.2
Iron (Fe), % 0 to 0.075
0 to 0.7
Lead (Pb), % 0 to 0.0030
0
Magnesium (Mg), % 0.0050 to 0.020
1.1 to 1.8
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0.0050 to 0.020
0
Silicon (Si), % 0
0 to 0.4
Tin (Sn), % 0 to 0.0010
0
Zinc (Zn), % 95.3 to 96.5
0 to 0.25
Residuals, % 0
0 to 0.15