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ZA-27 vs. 771.0 Aluminum

ZA-27 belongs to the zinc alloys classification, while 771.0 aluminum belongs to the aluminum alloys. They have a modest 34% 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 ZA-27 and the bottom bar is 771.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 120
85 to 120
Elastic (Young's, Tensile) Modulus, GPa 78
70
Elongation at Break, % 2.0 to 4.5
1.7 to 6.5
Fatigue Strength, MPa 110 to 170
92 to 180
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 31
26
Tensile Strength: Ultimate (UTS), MPa 400 to 430
250 to 370
Tensile Strength: Yield (Proof), MPa 260 to 370
210 to 350

Thermal Properties

Latent Heat of Fusion, J/g 130
380
Maximum Temperature: Mechanical, °C 120
180
Melting Completion (Liquidus), °C 480
630
Melting Onset (Solidus), °C 380
620
Solidification (Pattern Maker's) Shrinkage, % 1.3
1.6
Specific Heat Capacity, J/kg-K 530
870
Thermal Conductivity, W/m-K 130
140 to 150
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
27
Electrical Conductivity: Equal Weight (Specific), % IACS 53
82

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 5.0
3.0
Embodied Carbon, kg CO2/kg material 4.2
8.0
Embodied Energy, MJ/kg 80
150
Embodied Water, L/kg 570
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1 to 18
4.4 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 890
310 to 900
Stiffness to Weight: Axial, points 8.6
13
Stiffness to Weight: Bending, points 28
46
Strength to Weight: Axial, points 22 to 24
23 to 35
Strength to Weight: Bending, points 24 to 25
29 to 39
Thermal Diffusivity, mm2/s 47
54 to 58
Thermal Shock Resistance, points 14 to 15
11 to 16

Alloy Composition

Aluminum (Al), % 25 to 28
90.5 to 92.5
Cadmium (Cd), % 0 to 0.0060
0
Chromium (Cr), % 0
0.060 to 0.2
Copper (Cu), % 2.0 to 2.5
0 to 0.1
Iron (Fe), % 0 to 0.1
0 to 0.15
Lead (Pb), % 0 to 0.0060
0
Magnesium (Mg), % 0.010 to 0.020
0.8 to 1.0
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.020
0
Silicon (Si), % 0 to 0.080
0 to 0.15
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0
0.1 to 0.2
Zinc (Zn), % 69.3 to 73
6.5 to 7.5
Residuals, % 0
0 to 0.15