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518.0 Aluminum vs. Zamak 5

518.0 aluminum belongs to the aluminum alloys classification, while Zamak 5 belongs to the zinc 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 518.0 aluminum and the bottom bar is Zamak 5.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
92
Elastic (Young's, Tensile) Modulus, GPa 67
87
Elongation at Break, % 5.0
6.3
Fatigue Strength, MPa 140
56
Poisson's Ratio 0.33
0.25
Shear Modulus, GPa 25
33
Shear Strength, MPa 200
260
Tensile Strength: Ultimate (UTS), MPa 310
330
Tensile Strength: Yield (Proof), MPa 190
240

Thermal Properties

Latent Heat of Fusion, J/g 390
120
Maximum Temperature: Mechanical, °C 170
95
Melting Completion (Liquidus), °C 620
390
Melting Onset (Solidus), °C 560
380
Specific Heat Capacity, J/kg-K 900
410
Thermal Conductivity, W/m-K 98
110
Thermal Expansion, µm/m-K 24
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
26
Electrical Conductivity: Equal Weight (Specific), % IACS 81
37

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
6.4
Embodied Carbon, kg CO2/kg material 9.4
3.0
Embodied Energy, MJ/kg 150
57
Embodied Water, L/kg 1160
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
19
Resilience: Unit (Modulus of Resilience), kJ/m3 270
330
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 51
23
Strength to Weight: Axial, points 32
14
Strength to Weight: Bending, points 38
16
Thermal Diffusivity, mm2/s 40
42
Thermal Shock Resistance, points 14
9.9

Alloy Composition

Aluminum (Al), % 88.1 to 92.5
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 0 to 0.25
0.7 to 1.3
Iron (Fe), % 0 to 1.8
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 7.5 to 8.5
0.025 to 0.080
Manganese (Mn), % 0 to 0.35
0
Nickel (Ni), % 0 to 0.15
0 to 0.020
Silicon (Si), % 0 to 0.35
0 to 0.030
Tin (Sn), % 0 to 0.15
0 to 0.0030
Zinc (Zn), % 0 to 0.15
94.3 to 95.7
Residuals, % 0 to 0.25
0