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ZA-27 vs. 850.0 Aluminum

ZA-27 belongs to the zinc alloys classification, while 850.0 aluminum belongs to the aluminum alloys. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ZA-27 and the bottom bar is 850.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 120
45
Elastic (Young's, Tensile) Modulus, GPa 78
69
Elongation at Break, % 2.0 to 4.5
7.9
Fatigue Strength, MPa 110 to 170
59
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 31
26
Shear Strength, MPa 230 to 330
100
Tensile Strength: Ultimate (UTS), MPa 400 to 430
140
Tensile Strength: Yield (Proof), MPa 260 to 370
76

Thermal Properties

Latent Heat of Fusion, J/g 130
380
Maximum Temperature: Mechanical, °C 120
190
Melting Completion (Liquidus), °C 480
650
Melting Onset (Solidus), °C 380
370
Solidification (Pattern Maker's) Shrinkage, % 1.3
1.3
Specific Heat Capacity, J/kg-K 530
850
Thermal Conductivity, W/m-K 130
180
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
47
Electrical Conductivity: Equal Weight (Specific), % IACS 53
140

Otherwise Unclassified Properties

Base Metal Price, % relative 11
14
Density, g/cm3 5.0
3.1
Embodied Carbon, kg CO2/kg material 4.2
8.5
Embodied Energy, MJ/kg 80
160
Embodied Water, L/kg 570
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1 to 18
9.1
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 890
42
Stiffness to Weight: Axial, points 8.6
12
Stiffness to Weight: Bending, points 28
44
Strength to Weight: Axial, points 22 to 24
12
Strength to Weight: Bending, points 24 to 25
19
Thermal Diffusivity, mm2/s 47
69
Thermal Shock Resistance, points 14 to 15
6.1

Alloy Composition

Aluminum (Al), % 25 to 28
88.3 to 93.1
Cadmium (Cd), % 0 to 0.0060
0
Copper (Cu), % 2.0 to 2.5
0.7 to 1.3
Iron (Fe), % 0 to 0.1
0 to 0.7
Lead (Pb), % 0 to 0.0060
0
Magnesium (Mg), % 0.010 to 0.020
0 to 0.1
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.020
0.7 to 1.3
Silicon (Si), % 0 to 0.080
0 to 0.7
Tin (Sn), % 0 to 0.0030
5.5 to 7.0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 69.3 to 73
0
Residuals, % 0
0 to 0.3