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Zamak 2 vs. 390.0 Aluminum

Zamak 2 belongs to the zinc alloys classification, while 390.0 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 2 and the bottom bar is 390.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
120
Elastic (Young's, Tensile) Modulus, GPa 87
75
Elongation at Break, % 6.0
1.0
Fatigue Strength, MPa 59
76 to 110
Poisson's Ratio 0.26
0.33
Shear Modulus, GPa 33
28
Tensile Strength: Ultimate (UTS), MPa 360
280 to 300
Tensile Strength: Yield (Proof), MPa 270
240 to 270

Thermal Properties

Latent Heat of Fusion, J/g 130
640
Maximum Temperature: Mechanical, °C 95
170
Melting Completion (Liquidus), °C 390
650
Melting Onset (Solidus), °C 380
560
Specific Heat Capacity, J/kg-K 410
880
Thermal Conductivity, W/m-K 110
130
Thermal Expansion, µm/m-K 28
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
24 to 25
Electrical Conductivity: Equal Weight (Specific), % IACS 35
79 to 83

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 6.5
2.7
Embodied Carbon, kg CO2/kg material 3.0
7.3
Embodied Energy, MJ/kg 57
130
Embodied Water, L/kg 380
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
2.7 to 2.9
Resilience: Unit (Modulus of Resilience), kJ/m3 420
380 to 470
Stiffness to Weight: Axial, points 7.5
15
Stiffness to Weight: Bending, points 23
52
Strength to Weight: Axial, points 15
28 to 30
Strength to Weight: Bending, points 17
35 to 36
Thermal Diffusivity, mm2/s 41
56
Thermal Shock Resistance, points 11
14 to 15

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
74.5 to 79.6
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 2.5 to 3.3
4.0 to 5.0
Iron (Fe), % 0 to 0.1
0 to 1.3
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0.45 to 0.65
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.020
0
Silicon (Si), % 0 to 0.030
16 to 18
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 92.2 to 94
0 to 0.1
Residuals, % 0
0 to 0.2