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1080A Aluminum vs. ZA-27

1080A aluminum belongs to the aluminum alloys classification, while ZA-27 belongs to the zinc alloys. They have a modest 27% of their average alloy composition in common, which, by itself, doesn't mean much. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is 1080A aluminum and the bottom bar is ZA-27.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 18 to 40
100 to 120
Elastic (Young's, Tensile) Modulus, GPa 68
78
Elongation at Break, % 2.3 to 34
2.0 to 4.5
Fatigue Strength, MPa 18 to 50
110 to 170
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 26
31
Shear Strength, MPa 49 to 81
230 to 330
Tensile Strength: Ultimate (UTS), MPa 74 to 140
400 to 430
Tensile Strength: Yield (Proof), MPa 17 to 120
260 to 370

Thermal Properties

Latent Heat of Fusion, J/g 400
130
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 640
480
Melting Onset (Solidus), °C 640
380
Specific Heat Capacity, J/kg-K 900
530
Thermal Conductivity, W/m-K 230
130
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 62
30
Electrical Conductivity: Equal Weight (Specific), % IACS 200
53

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
5.0
Embodied Carbon, kg CO2/kg material 8.3
4.2
Embodied Energy, MJ/kg 160
80
Embodied Water, L/kg 1200
570

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.1 to 19
8.1 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 100
420 to 890
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 50
28
Strength to Weight: Axial, points 7.6 to 15
22 to 24
Strength to Weight: Bending, points 14 to 22
24 to 25
Thermal Diffusivity, mm2/s 94
47
Thermal Shock Resistance, points 3.3 to 6.4
14 to 15

Alloy Composition

Aluminum (Al), % 99.8 to 100
25 to 28
Cadmium (Cd), % 0
0 to 0.0060
Copper (Cu), % 0 to 0.030
2.0 to 2.5
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.15
0 to 0.1
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0 to 0.020
0.010 to 0.020
Manganese (Mn), % 0 to 0.020
0
Nickel (Ni), % 0
0 to 0.020
Silicon (Si), % 0 to 0.15
0 to 0.080
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 0 to 0.060
69.3 to 73