Small Section Black Rectangular Tube

For projects demanding precision engineering and robust structural integrity, small section rectangular tubing is often the material of choice. When a sleek, low-profile finish is also required, a black rectangular tube offers both functional and aesthetic advantages. Our range of specialized small-diameter profiles is engineered for applications where space is at a premium but strength cannot be compromised. Whether you’re searching for a Small Diameter Black Rectangular Tube for intricate framework or a Small Bore Black Rectangular Pipe for fluid conveyance systems, our products deliver consistent quality. For ultra-compact designs, our Mini Caliber Black Rectangular Tube provides exceptional dimensional accuracy. Our comprehensive selection ensures you find the perfect Small Size Black Rectangular Tube to meet your specific design parameters and performance criteria, backed by industry-leading manufacturing standards.

The Small Section Black Rectangular Tube is manufactured from high-grade steel, cold-formed to achieve tight tolerances and excellent surface uniformity. The distinctive black finish is typically achieved through a hot-dipped galvanizing and subsequent powder coating process or a durable black oxide treatment, providing superior corrosion resistance and a consistent matte appearance. This makes it ideal for both indoor applications, like furniture and display units, and outdoor uses where exposure to the elements is a concern. Its rectangular geometry offers a high strength-to-weight ratio and greater resistance to bending from multiple axes compared to round tubing, making it a structurally efficient solution. The clean lines and unobtrusive black finish also allow for seamless integration into modern architectural and design-focused projects without the need for additional finishing.

Standard Specifications & Dimensions

• Material: ASTM A500 Grade B Steel, A513
• Finish: Black Oxide (Mill Finish with Oiled coating also available)
• Corrosion Protection: Excellent for interior use; recommended painting or powder coating for severe exterior environments.
• Standard Length: 20 ft (6.1 m) or 24 ft (7.3 m). Custom cut lengths available.
• Tolerance: ±0.005" on wall thickness, ±0.010" on outside dimensions.
• Primary Applications: Handrails, furniture frames, protective guards, machine frames, architectural accents, DIY projects, and light structural supports.

Key Mechanical Properties (ASTM A500 Grade B)

• Tensile Strength: 58,000 psi min
• Yield Strength: 46,000 psi min
• Elongation in 2": 23% min