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Zamak 5 vs. C355.0 Aluminum

Zamak 5 belongs to the zinc alloys classification, while C355.0 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 5 and the bottom bar is C355.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 92
86 to 90
Elastic (Young's, Tensile) Modulus, GPa 87
70
Elongation at Break, % 6.3
2.7 to 3.8
Fatigue Strength, MPa 56
76 to 84
Poisson's Ratio 0.25
0.33
Shear Modulus, GPa 33
26
Tensile Strength: Ultimate (UTS), MPa 330
290 to 310
Tensile Strength: Yield (Proof), MPa 240
200 to 230

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
570
Solidification (Pattern Maker's) Shrinkage, % 1.2
1.3
Specific Heat Capacity, J/kg-K 410
900
Thermal Conductivity, W/m-K 110
150
Thermal Expansion, µm/m-K 27
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
39
Electrical Conductivity: Equal Weight (Specific), % IACS 37
130

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 6.4
2.7
Embodied Carbon, kg CO2/kg material 3.0
8.0
Embodied Energy, MJ/kg 57
150
Embodied Water, L/kg 380
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
7.5 to 9.8
Resilience: Unit (Modulus of Resilience), kJ/m3 330
290 to 380
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
51
Strength to Weight: Axial, points 14
30 to 32
Strength to Weight: Bending, points 16
36 to 37
Thermal Diffusivity, mm2/s 42
60
Thermal Shock Resistance, points 9.9
13 to 14

Alloy Composition


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Aluminum (Al), % 3.5 to 4.3
91.7 to 94.1
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 0.7 to 1.3
1.0 to 1.5
Iron (Fe), % 0 to 0.1
0 to 0.2
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.025 to 0.080
0.4 to 0.6
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.020
0
Silicon (Si), % 0 to 0.030
4.5 to 5.5
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 94.3 to 95.7
0 to 0.1
Residuals, % 0
0 to 0.15