Black Steel Rectangle Tubing

3/16'' Thick, 4'' x 6'' x 24', Black Steel A500

A strong, versatile structural steel section ideal for construction, fabrication, repair work, and industrial applications. Made from high-quality ASTM A500 black steel, this rectangular tube delivers dependable strength, excellent weldability, and long-lasting durability across a wide range of projects.

FEATURES

Structural-Grade Strength – Produced from ASTM A500 steel to ensure consistent mechanical performance and superior reliability for load-bearing applications.

Durable Black Mill Finish – Provides surface durability during handling and fabrication while maintaining a uniform, professional appearance.

3/16 in. Wall Thickness – Offers a balanced combination of strength and manageable weight, suitable for medium-duty structural and fabrication needs.

Precision 4 in. x 6 in. Rectangular Profile – Ensures stability, accuracy, and uniformity for framing, reinforcement, and engineered builds.

24 ft. Length – Ideal for long-span structural use, reducing joint requirements and improving overall rigidity.

Excellent Weldability & Fabrication – Easily welded with MIG, TIG, or stick processes; can be cut, drilled, and formed to accommodate a wide range of project designs.

Consistent ASTM-Certified Quality – Manufactured under strict guidelines to ensure dependable performance in commercial, industrial, and agricultural construction.

COMMON USES

• Structural framing and support beams

• Equipment and machinery fabrication

• Platforms, racks, trailers, and framework construction

• Agricultural, commercial, and industrial building projects

• Custom metal fabrication and general steelwork

SPECIFICATIONS

• Material: ASTM A500 Black Steel

• Wall Thickness: 3/16 in.

• Dimensions: 4 in. x 6 in.

• Length: 24 ft.

• Type: Structural rectangular tubing

• Finish: Black mill finish