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Zamak 5 vs. A357.0 Aluminum

Zamak 5 belongs to the zinc alloys classification, while A357.0 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 A357.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 92
100
Elastic (Young's, Tensile) Modulus, GPa 87
70
Elongation at Break, % 6.3
3.7
Fatigue Strength, MPa 56
100
Poisson's Ratio 0.25
0.33
Shear Modulus, GPa 33
26
Shear Strength, MPa 260
240
Tensile Strength: Ultimate (UTS), MPa 330
350
Tensile Strength: Yield (Proof), MPa 240
270

Thermal Properties

Latent Heat of Fusion, J/g 120
500
Maximum Temperature: Mechanical, °C 95
170
Melting Completion (Liquidus), °C 390
610
Melting Onset (Solidus), °C 380
560
Specific Heat Capacity, J/kg-K 410
900
Thermal Conductivity, W/m-K 110
160
Thermal Expansion, µm/m-K 27
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
40
Electrical Conductivity: Equal Weight (Specific), % IACS 37
140

Otherwise Unclassified Properties

Base Metal Price, % relative 12
12
Density, g/cm3 6.4
2.6
Embodied Carbon, kg CO2/kg material 3.0
8.2
Embodied Energy, MJ/kg 57
150
Embodied Water, L/kg 380
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
12
Resilience: Unit (Modulus of Resilience), kJ/m3 330
520
Stiffness to Weight: Axial, points 7.5
15
Stiffness to Weight: Bending, points 23
53
Strength to Weight: Axial, points 14
38
Strength to Weight: Bending, points 16
43
Thermal Diffusivity, mm2/s 42
68
Thermal Shock Resistance, points 9.9
17

Alloy Composition


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Aluminum (Al), % 3.5 to 4.3
90.8 to 93
Beryllium (Be), % 0
0.040 to 0.070
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 0.7 to 1.3
0 to 0.2
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 0.7
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.020
0
Silicon (Si), % 0 to 0.030
6.5 to 7.5
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0
0.040 to 0.2
Zinc (Zn), % 94.3 to 95.7
0 to 0.1
Residuals, % 0
0 to 0.15