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Commercially Pure Zinc vs. 1235 Aluminum

Commercially pure zinc belongs to the zinc alloys classification, while 1235 aluminum belongs to the aluminum 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 commercially pure zinc and the bottom bar is 1235 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
69
Elongation at Break, % 38
28 to 34
Poisson's Ratio 0.25
0.33
Shear Modulus, GPa 35
26
Tensile Strength: Ultimate (UTS), MPa 97
80 to 84
Tensile Strength: Yield (Proof), MPa 79
23 to 57

Thermal Properties

Latent Heat of Fusion, J/g 110
400
Maximum Temperature: Mechanical, °C 90
170
Melting Completion (Liquidus), °C 410
640
Melting Onset (Solidus), °C 400
640
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 110
230
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
60
Electrical Conductivity: Equal Weight (Specific), % IACS 37
200

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 6.6
2.7
Embodied Carbon, kg CO2/kg material 2.8
8.3
Embodied Energy, MJ/kg 53
160
Embodied Water, L/kg 340
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
17 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 36
3.8 to 24
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 23
50
Strength to Weight: Axial, points 4.1
8.2 to 8.6
Strength to Weight: Bending, points 7.1
15 to 16
Thermal Diffusivity, mm2/s 44
93
Thermal Shock Resistance, points 3.0
3.6 to 3.7

Alloy Composition

Aluminum (Al), % 0 to 0.010
99.35 to 100
Cadmium (Cd), % 0 to 0.010
0
Copper (Cu), % 0 to 0.080
0 to 0.050
Iron (Fe), % 0 to 0.020
0 to 0.65
Lead (Pb), % 0 to 0.030
0
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.65
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0 to 0.020
0 to 0.060
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 99.827 to 100
0 to 0.1