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6025 Aluminum vs. ZA-27

6025 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 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 6025 aluminum and the bottom bar is ZA-27.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
78
Elongation at Break, % 2.8 to 10
2.0 to 4.5
Fatigue Strength, MPa 67 to 110
110 to 170
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 26
31
Shear Strength, MPa 110 to 140
230 to 330
Tensile Strength: Ultimate (UTS), MPa 190 to 240
400 to 430
Tensile Strength: Yield (Proof), MPa 68 to 210
260 to 370

Thermal Properties

Latent Heat of Fusion, J/g 410
130
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 650
480
Melting Onset (Solidus), °C 550
380
Specific Heat Capacity, J/kg-K 900
530
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
30
Electrical Conductivity: Equal Weight (Specific), % IACS 110
53

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.8
5.0
Embodied Carbon, kg CO2/kg material 8.5
4.2
Embodied Energy, MJ/kg 150
80
Embodied Water, L/kg 1160
570

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.0 to 15
8.1 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 310
420 to 890
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 50
28
Strength to Weight: Axial, points 19 to 24
22 to 24
Strength to Weight: Bending, points 26 to 31
24 to 25
Thermal Diffusivity, mm2/s 54
47
Thermal Shock Resistance, points 8.2 to 10
14 to 15

Alloy Composition

Aluminum (Al), % 91.7 to 96.3
25 to 28
Cadmium (Cd), % 0
0 to 0.0060
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0.2 to 0.7
2.0 to 2.5
Iron (Fe), % 0 to 0.7
0 to 0.1
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 2.1 to 3.0
0.010 to 0.020
Manganese (Mn), % 0.6 to 1.4
0
Nickel (Ni), % 0
0 to 0.020
Silicon (Si), % 0.8 to 1.5
0 to 0.080
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.5
69.3 to 73
Residuals, % 0 to 0.15
0