Light Caliber Black Rectangular Tube

When precision and structural integrity are paramount for projects requiring slender profiles without sacrificing strength, our Light Caliber Black Rectangular Tube is the definitive choice for engineers and fabricators. This product line is engineered for applications where space is limited but performance cannot be compromised. For projects demanding even more specific dimensions, our range includes complementary solutions such as the Small Diameter Black Rectangular Tube, the Small Bore Black Rectangular Pipe, the Mini Caliber Black Rectangular Tube, and the Small Size Black Rectangular Tube. Each variant is manufactured to exacting standards, offering a sleek, black finish that provides both corrosion resistance and a professional aesthetic. These tubes are ideal for frameworks in electronics enclosures, lightweight furniture, architectural accents, and intricate mechanical assemblies.


The Light Caliber Black Rectangular Tube is fabricated from high-quality steel, ensuring excellent durability and formability. Its rectangular shape offers superior resistance to bending from multiple axes compared to round tubing, making it a structurally efficient component. The matte black surface is not merely cosmetic; it is typically achieved through a hot-dipped galvanized and powder-coated process or a durable painted finish, which significantly enhances its resistance to rust, scratches, and general wear in both indoor and mild outdoor environments. This protective layer ensures the Light Caliber Black Rectangular Tube maintains its integrity and appearance over long periods, reducing maintenance needs. Available in a variety of precise wall thicknesses and alloy compositions, it can be easily cut, welded, and machined to fit specific design requirements, offering immense flexibility to designers.

Key Specifications & Dimensions

  • Material: High-Grade Carbon Steel or ASTM A513
  • Surface Finish: Matte Black (Painted or Powder-Coated)
  • Primary Processes: Cold Rolled, Welded, and Seamless options available
  • Standard Length: 20 ft (6.1 m) or cut-to-length services
  • Key Properties: High Strength-to-Weight Ratio, Excellent Weldability, Good Corrosion Resistance
Outer Dimensions (Width x Height) Wall Thickness (Gauge) Approx. Weight per Foot (lbs) Common Applications
0.5" x 1.0" 16 GA (0.060") 0.54 DIY Projects, Model Framing
0.75" x 0.75" 14 GA (0.075") 0.82 Furniture, Display Stands
1.0" x 0.5" 14 GA (0.075") 0.78 Electrical Raceways, Handrails
1.0" x 2.0" 12 GA (0.105") 1.85 Light Structural Supports, Machinery Guards
1.5" x 0.75" 11 GA (0.120") 1.92 Vehicle Framing, Architectural Trim

Available Grades & Tolerances

  • Steel Grades: A36, A500 Grade B, A513 Type 5
  • Dimensional Tolerance: +/- 0.005" on outer dimensions
  • Wall Thickness Tolerance: Typically +/- 10%
  • Straightness Tolerance: 0.040" per foot maximum

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