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6063A Aluminum vs. ZA-8

6063A aluminum belongs to the aluminum alloys classification, while ZA-8 belongs to the zinc alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 6063A aluminum and the bottom bar is ZA-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
85 to 86
Elongation at Break, % 6.7 to 18
1.3 to 8.0
Fatigue Strength, MPa 53 to 80
51 to 100
Poisson's Ratio 0.33
0.26
Shear Modulus, GPa 26
34
Shear Strength, MPa 78 to 150
240 to 280
Tensile Strength: Ultimate (UTS), MPa 130 to 260
210 to 370
Tensile Strength: Yield (Proof), MPa 55 to 200
210 to 290

Thermal Properties

Latent Heat of Fusion, J/g 400
110
Maximum Temperature: Mechanical, °C 160
100
Melting Completion (Liquidus), °C 640
400
Melting Onset (Solidus), °C 620
380
Specific Heat Capacity, J/kg-K 900
440
Thermal Conductivity, W/m-K 200
120
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49 to 54
28
Electrical Conductivity: Equal Weight (Specific), % IACS 160 to 180
40

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
6.3
Embodied Carbon, kg CO2/kg material 8.3
3.3
Embodied Energy, MJ/kg 150
62
Embodied Water, L/kg 1190
420

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 21
2.8 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 22 to 280
260 to 490
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 13 to 26
9.3 to 17
Strength to Weight: Bending, points 21 to 33
12 to 18
Thermal Diffusivity, mm2/s 83
42
Thermal Shock Resistance, points 5.6 to 11
7.6 to 13

Alloy Composition

Aluminum (Al), % 97.5 to 99
8.0 to 8.8
Cadmium (Cd), % 0
0 to 0.0060
Chromium (Cr), % 0 to 0.050
0
Copper (Cu), % 0 to 0.1
0.8 to 1.3
Iron (Fe), % 0.15 to 0.35
0 to 0.075
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0.6 to 0.9
0.015 to 0.030
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0
0 to 0.020
Silicon (Si), % 0.3 to 0.6
0 to 0.045
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.15
89.7 to 91.2
Residuals, % 0 to 0.15
0

Comparable Variants