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4047 Aluminum vs. Z41321 Zinc

4047 aluminum belongs to the aluminum alloys classification, while Z41321 zinc belongs to the zinc alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 4047 aluminum and the bottom bar is Z41321 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
87
Elongation at Break, % 3.4
60
Poisson's Ratio 0.33
0.25
Shear Modulus, GPa 27
35
Tensile Strength: Ultimate (UTS), MPa 120
190
Tensile Strength: Yield (Proof), MPa 64
150

Thermal Properties

Latent Heat of Fusion, J/g 570
110
Maximum Temperature: Mechanical, °C 160
90
Melting Completion (Liquidus), °C 580
410
Melting Onset (Solidus), °C 580
400
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 21
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
27
Electrical Conductivity: Equal Weight (Specific), % IACS 120
37

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.5
6.6
Embodied Carbon, kg CO2/kg material 7.7
2.8
Embodied Energy, MJ/kg 140
54
Embodied Water, L/kg 1050
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.5
100
Resilience: Unit (Modulus of Resilience), kJ/m3 28
130
Stiffness to Weight: Axial, points 16
7.4
Stiffness to Weight: Bending, points 55
23
Strength to Weight: Axial, points 13
7.9
Strength to Weight: Bending, points 21
11
Thermal Diffusivity, mm2/s 59
44
Thermal Shock Resistance, points 5.6
5.9

Alloy Composition

Aluminum (Al), % 85.3 to 89
0 to 0.010
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 0 to 0.3
0.5 to 1.0
Iron (Fe), % 0 to 0.8
0 to 0.010
Lead (Pb), % 0
0 to 0.010
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.15
0
Silicon (Si), % 11 to 13
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0
0.080 to 0.18
Zinc (Zn), % 0 to 0.2
98.8 to 99.42
Residuals, % 0 to 0.15
0