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Zamak 5 vs. EN AC-45400 Aluminum

Zamak 5 belongs to the zinc alloys classification, while EN AC-45400 aluminum belongs to the aluminum 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 Zamak 5 and the bottom bar is EN AC-45400 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 92
86
Elastic (Young's, Tensile) Modulus, GPa 87
72
Elongation at Break, % 6.3
6.7
Fatigue Strength, MPa 56
55
Poisson's Ratio 0.25
0.33
Shear Modulus, GPa 33
27
Tensile Strength: Ultimate (UTS), MPa 330
260
Tensile Strength: Yield (Proof), MPa 240
130

Thermal Properties

Latent Heat of Fusion, J/g 120
470
Maximum Temperature: Mechanical, °C 95
170
Melting Completion (Liquidus), °C 390
630
Melting Onset (Solidus), °C 380
560
Specific Heat Capacity, J/kg-K 410
880
Thermal Conductivity, W/m-K 110
140
Thermal Expansion, µm/m-K 27
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
30
Electrical Conductivity: Equal Weight (Specific), % IACS 37
95

Otherwise Unclassified Properties

Base Metal Price, % relative 12
10
Density, g/cm3 6.4
2.8
Embodied Carbon, kg CO2/kg material 3.0
7.8
Embodied Energy, MJ/kg 57
150
Embodied Water, L/kg 380
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
14
Resilience: Unit (Modulus of Resilience), kJ/m3 330
110
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
49
Strength to Weight: Axial, points 14
25
Strength to Weight: Bending, points 16
32
Thermal Diffusivity, mm2/s 42
54
Thermal Shock Resistance, points 9.9
12

Alloy Composition


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Aluminum (Al), % 3.5 to 4.3
88.4 to 92.9
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 0.7 to 1.3
2.6 to 3.6
Iron (Fe), % 0 to 0.1
0 to 0.6
Lead (Pb), % 0 to 0.0050
0 to 0.1
Magnesium (Mg), % 0.025 to 0.080
0 to 0.050
Manganese (Mn), % 0
0 to 0.55
Nickel (Ni), % 0 to 0.020
0 to 0.1
Silicon (Si), % 0 to 0.030
4.5 to 6.0
Tin (Sn), % 0 to 0.0030
0 to 0.050
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 94.3 to 95.7
0 to 0.2
Residuals, % 0
0 to 0.15