Aluminum Round Bar 

High-Quality Aluminum Round Bar in 1100, 3003, & 6061 Grades

Action Stainless stocks aluminum round bar in a broad range of diameters and grades to support structural, architectural, and precision machining applications. Known for its strength-to-weight ratio, corrosion resistance, and exceptional machinability, aluminum round bar is trusted across industries including aerospace, marine, transportation, and tooling.


We supply round bar in  1100, 3003, and 6061 grades. These alloys provide different combinations of strength, surface finish, and workability, ensuring a solution for both performance-critical and decorative use cases.

Finishes & Processing Services

Aluminum round bar is typically stocked in mill finish, offering a clean, uncoated surface for general machining and structural fabrication. Where higher visual appeal or environmental durability is needed, brushed or polished finishes are available on request. Action Stainless supports fast and accurate order fulfillment with in-house saw cutting, turning, CNC machining, and kitting services—delivering round bar cut-to-spec and ready for immediate production.

Available Styles and Materials

We stock aluminum round bar in:

  • 1100 Round Bar

    Commercially pure aluminum with excellent corrosion resistance and workability; ideal for chemical and electrical uses

  • 3003 Round Bar

    Moderate strength with strong corrosion resistance and good formability; commonly used in architectural and HVAC applications

  • 6061 Round Bar

    High strength and excellent machinability; widely used in structural, aerospace, and marine components

  • Mill Finish

    Standard for machining and fabrication

  • Polished Finish

    Available upon request for architectural and decorative applications

Diameters range from 1/8" up to 12", with custom-cut lengths and tight tolerance options available.

Aluminum Round Bar Specifications

Aluminum products used in round bar fabrication are available in the following specifications:

Grades Offered: 1100, 3003, and 6061: selected for strength, machinability, corrosion resistance, and surface finish.

Product Forms:  Round bar in diameters from 1/8" to 12"+; standard and custom lengths available.

Finishes: Mill finish standard; brushed and polished options offered upon request.

Processing Capabilities: Saw cutting, CNC turning, machining, milling, and custom kitting for ready-to-use delivery.

These material options and fabrication services support a wide range of industrial, architectural, and custom expanded metal applications.

Aluminum Round Bar Applications

Aluminum round bar is commonly used in:

Aerospace Components: Shafts, couplings, actuator pins, support rods, gear blanks

Marine Equipment: Pulleys, braces, cleats, tube connectors, railing anchors

Architectural Uses: Balusters, trims, post caps, ornamental rods, railing systems

Tooling and Fixtures: Jigs, machine parts, fixture pins, bushings, tool bases

Transportation: Axle pins, brackets, hitch components, spacers, handle assemblies