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5019 Aluminum vs. Z41121 Zinc

5019 aluminum belongs to the aluminum alloys classification, while Z41121 zinc belongs to the zinc alloys. There are 28 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 5019 aluminum and the bottom bar is Z41121 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
87
Elongation at Break, % 2.2 to 18
50
Poisson's Ratio 0.33
0.25
Shear Modulus, GPa 26
35
Tensile Strength: Ultimate (UTS), MPa 280 to 360
140
Tensile Strength: Yield (Proof), MPa 120 to 300
120

Thermal Properties

Latent Heat of Fusion, J/g 400
110
Maximum Temperature: Mechanical, °C 180
90
Melting Completion (Liquidus), °C 640
410
Melting Onset (Solidus), °C 540
400
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
27
Electrical Conductivity: Equal Weight (Specific), % IACS 98
37

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
6.6
Embodied Carbon, kg CO2/kg material 9.0
2.8
Embodied Energy, MJ/kg 150
54
Embodied Water, L/kg 1180
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.6 to 40
68
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 650
79
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 51
23
Strength to Weight: Axial, points 29 to 38
6.1
Strength to Weight: Bending, points 35 to 42
9.3
Thermal Diffusivity, mm2/s 52
44
Thermal Shock Resistance, points 13 to 16
4.6

Alloy Composition


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Aluminum (Al), % 91.5 to 95.3
0 to 0.010
Cadmium (Cd), % 0
0 to 0.0050
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.1
0.080 to 0.49
Iron (Fe), % 0 to 0.5
0 to 0.010
Lead (Pb), % 0
0 to 0.010
Magnesium (Mg), % 4.5 to 5.6
0
Manganese (Mn), % 0.1 to 0.6
0
Silicon (Si), % 0 to 0.4
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0 to 0.2
0.050 to 0.18
Zinc (Zn), % 0 to 0.2
99.292 to 99.87
Residuals, % 0 to 0.15
0