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Zamak 7 vs. 6360 Aluminum

Zamak 7 belongs to the zinc alloys classification, while 6360 aluminum belongs to the aluminum alloys. There are 30 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 7 and the bottom bar is 6360 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
68
Elongation at Break, % 13
9.0 to 18
Fatigue Strength, MPa 47
31 to 67
Poisson's Ratio 0.25
0.33
Shear Modulus, GPa 33
26
Shear Strength, MPa 210
76 to 130
Tensile Strength: Ultimate (UTS), MPa 280
120 to 220
Tensile Strength: Yield (Proof), MPa 250
57 to 170

Thermal Properties

Latent Heat of Fusion, J/g 120
400
Maximum Temperature: Mechanical, °C 95
160
Melting Completion (Liquidus), °C 390
640
Melting Onset (Solidus), °C 380
630
Specific Heat Capacity, J/kg-K 410
900
Thermal Conductivity, W/m-K 110
210
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
54
Electrical Conductivity: Equal Weight (Specific), % IACS 38
180

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 6.4
2.7
Embodied Carbon, kg CO2/kg material 3.0
8.3
Embodied Energy, MJ/kg 57
150
Embodied Water, L/kg 380
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
14 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 370
24 to 210
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
50
Strength to Weight: Axial, points 12
13 to 23
Strength to Weight: Bending, points 15
20 to 30
Thermal Diffusivity, mm2/s 43
86
Thermal Shock Resistance, points 8.6
5.5 to 9.9

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
97.8 to 99.3
Cadmium (Cd), % 0 to 0.0020
0
Chromium (Cr), % 0
0 to 0.050
Copper (Cu), % 0 to 0.25
0 to 0.15
Iron (Fe), % 0 to 0.075
0.1 to 0.3
Lead (Pb), % 0 to 0.0030
0
Magnesium (Mg), % 0.0050 to 0.020
0.25 to 0.45
Manganese (Mn), % 0
0.020 to 0.15
Nickel (Ni), % 0.0050 to 0.020
0
Silicon (Si), % 0
0.35 to 0.8
Tin (Sn), % 0 to 0.0010
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 95.3 to 96.5
0 to 0.1
Residuals, % 0
0 to 0.15