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Mill Finish 3003 Aluminum Round Bar


3003 aluminum round bar is a commonly used alloy in various industries.

Common Sizes:

  • Diameter: The common diameter sizes for 3003 aluminum round bar range from 1/4 inch to 4 inches. However, it is also available in larger diameters depending on specific requirements.

  • Length: The length can vary, but standard sizes are typically 12 feet or 144 inches. Custom lengths can also be obtained.


  • Lightweight: 3003 aluminum has a density of 2.73 g/cm³, making it one-third the weight of steel. This property is beneficial for applications that require low weight, such as aerospace and automotive industries.

  • Excellent corrosion resistance: The addition of manganese improves the alloy's resistance to corrosion, particularly in marine and chemical environments.

  • Formability: 3003 aluminum can be easily formed, bent, and welded without significant cracking or distortion.

  • Good weldability: It can be welded using various methods, including MIG, TIG, and resistance welding.

  • Fairly high strength: While not as strong as some other aluminum alloys, 3003 exhibits good mechanical properties suitable for many applications.


  • Trim and edgings: 3003 aluminum round bar is commonly used for trims, moldings, and edgings due to its excellent formability and finishing capabilities.

  • Cookware: It is widely utilized in the manufacture of cookware, such as pots, pans, and baking sheets, due to its corrosion resistance and heat transfer properties.

  • Chemical equipment: The alloy's resistance to corrosion makes it suitable for storing and handling various chemicals in the chemical processing industry.

  • Heat exchangers: 3003 aluminum is used in heat exchangers due to its good thermal conductivity and lightweight nature.

  • Roofing and siding: It is often employed in roofing and siding applications due to its durability, corrosion resistance, and ease of installation.

  • Storage tanks: The corrosion resistance and weldability of 3003 aluminum make it a suitable material for storing liquids and gases in tanks.

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Aluminum Bar Parameters


10-420mm ,Contact Us For Exact Value


3000mm(Mostly), 2500mm, Can Cut To Short Sizes


Extrusion, Smooth Surface

Optional Service

Cutting, Anodizing, Custom-Made


Bright, Polished, Hair Line, Brush, Embossed, Etc

Payment Term

L/C , D/A , D/P , T/T , West Union , Money Gram , Other


1100, 2011, 2014, 2017, 2024, 2618, 3003, 2a12, 5052, 6061, 6082, 7075


T4, T3511,T6, T6511


10-420mm ,Contact Us For Exact Value


Export Wooden Pallets, Plastic Film,(Ship By Sea)

Chemical Component

  • 3003 aluminum round bar belongs to the 3xxx series of aluminum alloys, which are known as aluminum-manganese alloys.

  • It consists of approximately 98% aluminum and 1-2% manganese, with trace amounts of other elements.

  • The small amount of manganese enhances the strength and corrosion resistance of the alloy.


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