3" x 3" 11ga Square Steel Tubing – A500 Grade B – Select Length

3" x 3" x 11ga Square Steel Tubing

3" x 3" square steel tubing with an 11 gauge wall thickness, cut to your selected length and ready for fabrication.

This structural square tubing provides excellent strength and rigidity for welding, fabrication, trailer projects, equipment frames, supports and general structural applications. Cut-to-length options make it easy to order exactly what you need without purchasing a full-length stick.

Product Specifications

• Outside Dimensions: 3" x 3"

• Wall Thickness: 11ga (0.120")

• Material: Carbon Steel

• Grade: A500 Grade B / A513

• Shape: Square Tubing

• Finish: Raw Steel

• Cut Type: Saw Cut

• Cut Length Tolerance: ±1/8"

• Sold By: Individual Piece

• Multiple lengths available

Common Uses

• Structural fabrication

• Trailer fabrication

• Equipment frames

• Welding projects

• Machinery supports

• Gates and railings

• Farm and ranch projects

• Brackets and supports

• Industrial fabrication

• General metalworking

Cut to Length

Choose the length you need without purchasing a full-length stick. Each piece is cut to your selected length, making it convenient for fabrication, repairs, prototypes and custom projects.

Raw Steel Finish

This product is supplied as raw, unfinished steel. Surface appearance may vary and can include mill scale, light surface rust, scratches or other normal characteristics associated with raw steel products.

Material Certification

Mill Test Reports (MTRs) are available upon request when available.

Shipping

Ships in 1–5 Business Days