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ZA-27 vs. 2011 Aluminum

ZA-27 belongs to the zinc alloys classification, while 2011 aluminum belongs to the aluminum alloys. They have a modest 29% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ZA-27 and the bottom bar is 2011 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 78
71
Elongation at Break, % 2.0 to 4.5
8.5 to 18
Fatigue Strength, MPa 110 to 170
74 to 120
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 31
27
Shear Strength, MPa 230 to 330
190 to 250
Tensile Strength: Ultimate (UTS), MPa 400 to 430
310 to 420
Tensile Strength: Yield (Proof), MPa 260 to 370
140 to 310

Thermal Properties

Latent Heat of Fusion, J/g 130
390
Maximum Temperature: Mechanical, °C 120
190
Melting Completion (Liquidus), °C 480
640
Melting Onset (Solidus), °C 380
540
Specific Heat Capacity, J/kg-K 530
870
Thermal Conductivity, W/m-K 130
140 to 170
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
35 to 45
Electrical Conductivity: Equal Weight (Specific), % IACS 53
100 to 130

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 5.0
3.1
Embodied Carbon, kg CO2/kg material 4.2
7.9
Embodied Energy, MJ/kg 80
150
Embodied Water, L/kg 570
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1 to 18
29 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 890
140 to 680
Stiffness to Weight: Axial, points 8.6
13
Stiffness to Weight: Bending, points 28
44
Strength to Weight: Axial, points 22 to 24
27 to 37
Strength to Weight: Bending, points 24 to 25
32 to 40
Thermal Diffusivity, mm2/s 47
51 to 64
Thermal Shock Resistance, points 14 to 15
14 to 19

Alloy Composition

Aluminum (Al), % 25 to 28
91.3 to 94.6
Bismuth (Bi), % 0
0.2 to 0.6
Cadmium (Cd), % 0 to 0.0060
0
Copper (Cu), % 2.0 to 2.5
5.0 to 6.0
Iron (Fe), % 0 to 0.1
0 to 0.7
Lead (Pb), % 0 to 0.0060
0.2 to 0.6
Magnesium (Mg), % 0.010 to 0.020
0
Nickel (Ni), % 0 to 0.020
0
Silicon (Si), % 0 to 0.080
0 to 0.4
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 69.3 to 73
0 to 0.3
Residuals, % 0
0 to 0.15