Aluminium Alloy 6063 Chemical Composition & Properties, Grades, Table and Pdf

Aluminium Alloy 6063 has a well-established reputation across numerous branches in the industry because of the combination of strength, durability, and its corrosion-resisting properties, that are best suited for this purpose. Its atomic Chemical composition consists chiefly of aluminum, silicon and magnesium and, additionally, contains iron and copper. This alloy comprises copper content of that allows for good formability, which makes extrusion processes with complex geometry possible. It has a high rate of thermal conduction and it is easy to solder, weld and machining it. One of the most famous uses of alloy 6063 is in the architectural line, automotive applications, and construction of furniture due to its smooth surface finish and the ability to be easily manipulated. Its peculiarities are marked by good tensile strength, acceptable hardness, and the very high corrosion-resistance. Grades which are different, joins the big industrial requirements of the market.

Aluminium Alloy 6063 Chemical Composition And Grade Table

As a reputable type of aluminium, alloy 6063 with its distinguished properties is a desired material that has gained much popularity in a number of sectors. It is made up of aluminum with sizeable amount of magnesium and silicon which make it stronger and malleable to various shapes and forms. As exposed in its composition criteria, like almost 0.2% up to 0.6% silicon, about 0.45% up to 0.9% magnesium and lower than 0.35% iron, this alloy has notable corrosion resistance and ease of welding. Its grade table highlights its versatility, being adopted in architectural structures as equally as in automotive and extruded profiles used for supportive frameworks and so forth, which makes it a crucial material in modern manufacturing industry.

Aluminium Alloy 6063 Composition Table
Elements Si Fe Cu Mn Mg Zn Ti Cr Al
Min (%) 0.2 0 0 0 0.45 0 0 - -
Max (%) 0.6 0.35 0.1 0.1 0.9 0.1 0.1 0.1 Balance

Advantages and Disadvantages of Aluminium Alloy 6063

    Advantages:

  • Extrudability: Ideal for extrusion and forming applications.

  • Corrosion Resistance: Moderate to good resistance to atmospheric and marine corrosion.

  • Aesthetic Appeal: Provides a shiny, non-porous surface after anodizing.

  • Thermal Conductivity: Good thermal conductivity, suitable for heat dissipation applications.

    Disadvantages:

  • Strength: Lower strength compared to alloy 6061.

  • Weldability: Moderate to good weldability but requires careful handling.

  • Surface Finish: Sensitive to scratching during handling and processing.

  • Limited Hardening: Heat treatment provides minimal strength improvement.

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