Aluminum Square Bar
Precision Aluminum Square Bar in 1100, 3003, & 6061 Grades
Action Stainless offers aluminum square bar in a wide range of sizes and high-performance grades to support structural, architectural, and industrial applications. Known for its strength, corrosion resistance, and workability, aluminum square bar is a dependable material choice for everything from architectural trim to precision-machined components.
We supply square bar in
1100, 3003,
and 6061 grades—each engineered to meet a variety of mechanical and surface requirements. Standard and custom-cut dimensions are available to meet your exact fabrication needs.
Finishes & Processing Services
Our aluminum square bar is typically stocked in a clean mill finish that’s ideal for general fabrication, machining, and welding. For applications where appearance or environmental durability is critical, brushed and anodized finishes are available upon request. Action Stainless supports high-accuracy and ready-to-use material delivery through in-house processing that includes saw cutting, milling, and CNC machining. These services ensure each bar meets your project’s tolerance, length, and finish requirements—delivered on time and to spec.
Available Styles and Materials
We stock
aluminum square bar in:
1100 Aluminum Square Bar
Commercially pure with excellent corrosion resistance and formability; ideal for light-duty structural and decorative use
3003 Aluminum Square Bar
Corrosion-resistant and easy to weld; used in architectural details, HVAC components, and trim work
6061 Aluminum Square Bar
High strength with good machinability; suited for structural supports, fixtures, and precision-machined parts
Mill Finish
Standard surface for machining, fabrication, or welding
Anodized/Brushed Finish
Offered for architectural or corrosion-sensitive environments
This range supports a variety of industries from construction and transportation to architectural design and custom manufacturing.
Aluminum Square Bar Specifications
Aluminum products used in square bar fabrication are available in the following specifications:
Grades Offered: 1100, 3003, and 6061: suited for machining, structural, and marine applications with varying strength and surface finish characteristics.
Product Forms: Square bar ranging from 1/8" to 3", available in standard stock and cut-to-length configurations.
Finishes: Mill finish standard; brushed and anodized options available by request.
Processing Capabilities: Saw cutting, CNC machining, milling, and custom packaging or kitting for delivery-ready precision.
These material options and fabrication services support a wide range of industrial, architectural, and custom expanded metal applications.
Aluminum Square Bar Applications
Aluminum square bar is commonly used in:
Architectural Components: Columns, trim, handrails, spacers, balusters
Machined Parts:
Blocks, pins, spacers, tool bases, threaded fasteners
Structural Supports:
Frames, rails, brackets, ladders, fixtures
Transportation Equipment:
Tie-downs, framing, utility body reinforcements, truck beds, step supports
Fabrication Projects:
Signs, enclosures, jigs, mounts, furniture frames
