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Zamak 3 vs. 319.0 Aluminum

Zamak 3 belongs to the zinc alloys classification, while 319.0 aluminum belongs to the aluminum alloys. There are 32 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 3 and the bottom bar is 319.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 83
78 to 84
Elastic (Young's, Tensile) Modulus, GPa 86
72
Elongation at Break, % 11
1.8 to 2.0
Fatigue Strength, MPa 48
76 to 80
Poisson's Ratio 0.25
0.33
Shear Modulus, GPa 33
27
Shear Strength, MPa 210
170 to 210
Tensile Strength: Ultimate (UTS), MPa 280
190 to 240
Tensile Strength: Yield (Proof), MPa 210
110 to 180

Thermal Properties

Latent Heat of Fusion, J/g 120
480
Maximum Temperature: Mechanical, °C 95
170
Melting Completion (Liquidus), °C 390
600
Melting Onset (Solidus), °C 380
540
Solidification (Pattern Maker's) Shrinkage, % 1.2
1.3
Specific Heat Capacity, J/kg-K 410
880
Thermal Conductivity, W/m-K 110
110
Thermal Expansion, µm/m-K 27
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
27
Electrical Conductivity: Equal Weight (Specific), % IACS 38
84

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 6.4
2.9
Embodied Carbon, kg CO2/kg material 3.0
7.7
Embodied Energy, MJ/kg 57
140
Embodied Water, L/kg 380
1080

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
3.3 to 3.9
Resilience: Unit (Modulus of Resilience), kJ/m3 260
88 to 220
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
48
Strength to Weight: Axial, points 12
18 to 24
Strength to Weight: Bending, points 15
25 to 30
Thermal Diffusivity, mm2/s 43
44
Thermal Shock Resistance, points 8.6
8.6 to 11

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
85.8 to 91.5
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 0 to 0.25
3.0 to 4.0
Iron (Fe), % 0 to 0.1
0 to 1.0
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.020
0 to 0.35
Silicon (Si), % 0 to 0.030
5.5 to 6.5
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 95.3 to 96.5
0 to 1.0
Residuals, % 0
0 to 0.5