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Extra Large Black Rectangular Tube

For demanding structural and architectural applications requiring exceptional strength, durability, and a sleek, modern aesthetic, our Extra Large Black Rectangular Tube is the premier solution. Engineered to meet the rigorous specifications of large-scale projects, this product is ideal for constructing robust frameworks, heavy-duty supports, and contemporary design elements. When specifications call for a Large Diameter Black Rectangular Tube, our offering provides superior load-bearing capacity and dimensional stability. Often referred to as a Big Bore Black Rectangular Pipe, it is perfectly suited for applications involving fluid conveyance, structural columns, and large machinery frames where internal space is a critical factor. For projects that push beyond standard sizes, our Oversized Black Rectangular Tube delivers the required cross-sectional area without compromising on material integrity or finish quality. Fabricated as a true Large Size Black Rectangular Hollow Section, it offers an optimal strength-to-weight ratio, making it a cost-effective and efficient choice for engineers and builders.


The defining feature of the Extra Large Black Rectangular Tube is its combination of precise engineering and high-quality manufacturing. The tube is produced from premium-grade steel, ensuring consistent material properties and excellent weldability. It undergoes a stringent forming process to achieve sharp, uniform corners and perfectly flat sides, guaranteeing precise fit and alignment in complex assemblies. The distinctive black finish is not merely aesthetic; it is a durable, protective coating that resists corrosion, abrasion, and UV degradation, significantly extending the service life of the product in both indoor and outdoor environments. This makes the Extra Large Black Rectangular Tube exceptionally versatile, suitable for everything from industrial plant structures and agricultural equipment to modern architectural facades, gallery displays, and commercial furniture.

Key Specifications & Technical Data

  • Material: High-Strength Low-Alloy (HSLA) Steel, ASTM A500 Grade B/C or equivalent.
  • Standard Finishes: Mill finish, black painted (powder coat or liquid paint options available).
  • Common Wall Thickness Range: 0.25 inches (6.35 mm) to 0.75 inches (19.05 mm).
  • Key Characteristics: Excellent torsional resistance, high moment of inertia, superior load distribution.
  • Primary Applications: Structural supports, machinery bases, architectural columns, conveyor frames, heavy-duty racking, bridge components, and artistic installations.

Standard Size Chart for Extra Large Black Rectangular Tube

Nominal Size (inches) Outside Dimensions (inches) Wall Thickness (inches) Approx. Weight per Foot (lbs)
8 x 4 8.0 x 4.0 0.375 22.85
10 x 5 10.0 x 5.0 0.375 27.19
12 x 6 12.0 x 6.0 0.500 45.27
16 x 8 16.0 x 8.0 0.500 58.79
20 x 10 20.0 x 10.0 0.625 91.04

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