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Zamak 5 vs. 308.0 Aluminum

Zamak 5 belongs to the zinc alloys classification, while 308.0 aluminum belongs to the aluminum alloys. There are 31 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 Zamak 5 and the bottom bar is 308.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 92
70
Elastic (Young's, Tensile) Modulus, GPa 87
73
Elongation at Break, % 6.3
2.0
Fatigue Strength, MPa 56
89
Poisson's Ratio 0.25
0.33
Shear Modulus, GPa 33
27
Shear Strength, MPa 260
150
Tensile Strength: Ultimate (UTS), MPa 330
190
Tensile Strength: Yield (Proof), MPa 240
110

Thermal Properties

Latent Heat of Fusion, J/g 120
470
Maximum Temperature: Mechanical, °C 95
170
Melting Completion (Liquidus), °C 390
620
Melting Onset (Solidus), °C 380
540
Specific Heat Capacity, J/kg-K 410
870
Thermal Conductivity, W/m-K 110
140
Thermal Expansion, µm/m-K 27
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
37
Electrical Conductivity: Equal Weight (Specific), % IACS 37
110

Otherwise Unclassified Properties

Base Metal Price, % relative 12
10
Density, g/cm3 6.4
2.9
Embodied Carbon, kg CO2/kg material 3.0
7.7
Embodied Energy, MJ/kg 57
140
Embodied Water, L/kg 380
1080

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
3.3
Resilience: Unit (Modulus of Resilience), kJ/m3 330
83
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
47
Strength to Weight: Axial, points 14
18
Strength to Weight: Bending, points 16
25
Thermal Diffusivity, mm2/s 42
55
Thermal Shock Resistance, points 9.9
9.2

Alloy Composition


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Aluminum (Al), % 3.5 to 4.3
85.7 to 91
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 0.7 to 1.3
4.0 to 5.0
Iron (Fe), % 0 to 0.1
0 to 1.0
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.025 to 0.080
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.020
0
Silicon (Si), % 0 to 0.030
5.0 to 6.0
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 94.3 to 95.7
0 to 1.0
Residuals, % 0
0 to 0.5