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535.0 Aluminum vs. Zamak 7

535.0 aluminum belongs to the aluminum alloys classification, while Zamak 7 belongs to the zinc alloys. There are 32 material properties with values for both materials. Properties with values for just one material (2, 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 535.0 aluminum and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
80
Elastic (Young's, Tensile) Modulus, GPa 67
86
Elongation at Break, % 10
13
Fatigue Strength, MPa 70
47
Poisson's Ratio 0.33
0.25
Shear Modulus, GPa 25
33
Shear Strength, MPa 190
210
Tensile Strength: Ultimate (UTS), MPa 270
280
Tensile Strength: Yield (Proof), MPa 140
250

Thermal Properties

Latent Heat of Fusion, J/g 390
120
Maximum Temperature: Mechanical, °C 170
95
Melting Completion (Liquidus), °C 630
390
Melting Onset (Solidus), °C 570
380
Solidification (Pattern Maker's) Shrinkage, % 1.3
1.2
Specific Heat Capacity, J/kg-K 910
410
Thermal Conductivity, W/m-K 100
110
Thermal Expansion, µm/m-K 24
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
27
Electrical Conductivity: Equal Weight (Specific), % IACS 79
38

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.6
6.4
Embodied Carbon, kg CO2/kg material 9.4
3.0
Embodied Energy, MJ/kg 160
57
Embodied Water, L/kg 1180
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24
36
Resilience: Unit (Modulus of Resilience), kJ/m3 150
370
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 51
23
Strength to Weight: Axial, points 28
12
Strength to Weight: Bending, points 35
15
Thermal Diffusivity, mm2/s 42
43
Thermal Shock Resistance, points 12
8.6

Alloy Composition

Aluminum (Al), % 91.5 to 93.6
3.5 to 4.3
Beryllium (Be), % 0.0030 to 0.0070
0
Boron (B), % 0 to 0.0050
0
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 0 to 0.050
0 to 0.25
Iron (Fe), % 0 to 0.15
0 to 0.075
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 6.2 to 7.5
0.0050 to 0.020
Manganese (Mn), % 0.1 to 0.25
0
Nickel (Ni), % 0
0.0050 to 0.020
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0
0 to 0.0010
Titanium (Ti), % 0.1 to 0.25
0
Zinc (Zn), % 0
95.3 to 96.5
Residuals, % 0 to 0.15
0