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5056 Aluminum vs. Z24311 Zinc

5056 aluminum belongs to the aluminum alloys classification, while Z24311 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 5056 aluminum and the bottom bar is Z24311 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
87
Elongation at Break, % 4.9 to 31
63
Poisson's Ratio 0.33
0.25
Shear Modulus, GPa 25
35
Tensile Strength: Ultimate (UTS), MPa 290 to 460
140
Tensile Strength: Yield (Proof), MPa 150 to 410
120

Thermal Properties

Latent Heat of Fusion, J/g 400
110
Maximum Temperature: Mechanical, °C 190
90
Melting Completion (Liquidus), °C 640
410
Melting Onset (Solidus), °C 570
400
Specific Heat Capacity, J/kg-K 910
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 99
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
53
Embodied Water, L/kg 1180
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 140
85
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 1220
81
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 51
23
Strength to Weight: Axial, points 30 to 48
6.1
Strength to Weight: Bending, points 36 to 50
9.3
Thermal Diffusivity, mm2/s 53
44
Thermal Shock Resistance, points 13 to 20
4.6

Alloy Composition

Aluminum (Al), % 93 to 95.4
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.0050
Chromium (Cr), % 0.050 to 0.2
0
Copper (Cu), % 0 to 0.1
0 to 0.0050
Iron (Fe), % 0 to 0.4
0 to 0.010
Lead (Pb), % 0
0.030 to 0.080
Magnesium (Mg), % 4.5 to 5.6
0 to 0.0015
Manganese (Mn), % 0.050 to 0.2
0 to 0.015
Silicon (Si), % 0 to 0.3
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0 to 0.1
99.862 to 100
Residuals, % 0 to 0.15
0