Black Circular Tube with Linear Slit

In the realm of precision infrastructure, ventilation, and specialized industrial applications, finding a component that balances structural integrity with functional design is critical. Our Straight Slit Black Round Tube is engineered to meet this exact demand. This product, also widely recognized as a Black Round Tube with Straight Slit, offers a sleek, durable solution for directing airflow, housing wiring, or serving as a key element in mechanical assemblies. For projects requiring robust and defined channeling, the Straight Slotted Black Circular Pipe provides an optimal blend of strength and utility. Its consistent linear opening allows for precise access or emission along its entire length. Whether you refer to it as a Black Straight Slit Round Pipe or by any of its common names, this component stands out for its reliability in both static and dynamic systems, making it a versatile choice for engineers and fabricators.


The Black Circular Tube with Linear Slit is manufactured to exacting standards, ensuring consistency and performance across every batch. Constructed from high-grade materials, it features a uniform black oxide or powder-coated finish that provides excellent corrosion resistance and a professional, low-glare appearance suitable for both exposed and concealed installations. The linear slit is precision-cut to maintain clean, burr-free edges, which is crucial for safety and for ensuring that cables, sensors, or airflow are not obstructed or damaged. This attention to detail in the fabrication of the Black Circular Tube with Linear Slit guarantees a product that not only fits seamlessly into your design specifications but also enhances the overall functionality and longevity of your application.

Key Specifications & Features

  • Material: High-strength steel or aluminum alloy (options available)
  • Finish: Durable black oxide or electrostatic powder coat
  • Slit Precision: Laser-cut or machined for clean, consistent edges
  • Corrosion Resistance: Treated surface protects against rust and environmental wear
  • Structural Integrity: Maintains full circular strength despite the linear opening
  • Application Versatility: Ideal for ventilation ducts, cable management, mechanical guards, and framework systems

Standard Product Dimensions

Outer Diameter (OD) Wall Thickness Standard Length Slit Width Common Material
25 mm (1") 1.5 mm 2000 mm 3 mm Steel
38 mm (1.5") 2.0 mm 3000 mm 5 mm Steel
50 mm (2") 2.0 mm 2000 mm 5 mm Aluminum
75 mm (3") 2.5 mm 3000 mm 8 mm Steel
100 mm (4") 3.0 mm 3000 mm 10 mm Steel

Note: Custom diameters, lengths, slit dimensions, and material grades can be manufactured to meet specific project requirements. Please contact our technical team for bespoke quotations.

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