Compact Black Rectangular Tube

Crafting precise, small-scale components demands materials that are both robust and meticulously sized. For applications requiring strength, a clean aesthetic, and a compact form factor, our specialized range of black rectangular tubing is engineered to meet these exact needs. We offer various profiles to suit your specific dimensional requirements, including our Small Diameter Black Rectangular Tube for applications where minimal outer dimensions are critical, and our Small Bore Black Rectangular Pipe designed for efficient fluid or structural systems. For ultra-fine frameworks and delicate structures, our Mini Caliber Black Rectangular Tube provides an exceptional solution, while general-purpose compact designs benefit from our versatile Small Size Black Rectangular Tube. Each variant is produced with high tolerances to ensure reliability in assembly and performance.


The Compact Black Rectangular Tube is manufactured from high-quality steel, cold-drawn to achieve precise geometric accuracy and excellent surface finish. The distinctive black oxide coating is not merely aesthetic; it provides a durable layer of protection against corrosion, enhancing the tube's longevity in various environments without the need for additional painting. This makes it an ideal, low-maintenance choice for both indoor and protected outdoor applications. The rectangular shape offers superior structural efficiency compared to round tubing, providing greater resistance to bending on its major axis, which is crucial for frames, supports, and enclosures where space is at a premium.

Key Specifications & Material Properties

  • Primary Material: Cold Drawn Steel
  • Surface Finish: Black Oxide (Black Annealed)
  • Key Advantage: High Strength-to-Weight Ratio
  • Common Applications: Framework, Supports, Roll Cages, Enclosures, DIY Projects
  • Benefits: Corrosion Resistant, Aesthetic Finish, Ready-to-Use

Standard Size Range

Outside Dimensions (mm) Wall Thickness (mm) Approx. Weight per Meter (kg/m)
10 x 5 1.0 0.187
12 x 6 1.2 0.289
15 x 10 1.5 0.502
20 x 10 1.5 0.602
25 x 15 2.0 1.123
30 x 20 2.0 1.373

Mechanical Properties (Typical)

Property Value Test Standard
Tensile Strength ≥ 350 MPa ASTM A513
Yield Strength ≥ 250 MPa ASTM A513
Elongation ≥ 10% ASTM A513
Surface Hardness 70-80 HRB ASTM E18

Our production process ensures consistent wall thickness and sharp, clean corners, which is vital for easy welding, machining, and fitting. The Compact Black Rectangular Tube is supplied in standard lengths or can be cut to your specified size, offering flexibility for prototyping and full-scale production runs. For technical drawings, custom sizing inquiries, or to request a sample, please contact our engineering support team with your project details.

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