Low Thickness Longitudinal Welded Tube

For projects demanding both structural integrity and material efficiency, Low Thickness Longitudinal Welded Tubes are the optimal solution. These precision-engineered tubes are manufactured through a specialized longitudinal welding process, resulting in a product characterized by its uniform wall thickness, excellent concentricity, and high dimensional accuracy. Our thin-walled tubes offer a superior strength-to-weight ratio, making them an ideal choice for applications where minimizing weight without compromising performance is critical, such as in automotive frameworks, furniture manufacturing, conveyor systems, and various mechanical structures. We offer a range of specialized variants to meet diverse specifications, including our Light Wall Longitudinal Welded Steel Tube for general lightweight applications, a Slim Wall Straight Seam Welded Pipe designed for precise architectural uses, a high-quality Fine Wall Straight Seam Steel Pipe for demanding mechanical assemblies, and a Thin Gauge Longitudinal Seam Welded Pipe engineered for applications requiring the thinnest possible profile.


The manufacturing process for <产品名字> involves feeding a steel strip through a series of forming rollers that gradually shape it into a cylindrical form. The longitudinal edges are then brought together under precise pressure and fused using high-frequency induction welding or similar advanced techniques. This method ensures a clean, consistent, and robust weld seam along the entire length of the tube. Following welding, the tubes undergo critical finishing processes. Sizing rolls calibrate the final outer diameter to exact tolerances, and controlled cooling stabilizes the microstructure. Depending on the end-use requirement, <产品名字> can be supplied as-welded, annealed for stress relief and improved ductility, or cut to specific lengths with custom end-finishes. This controlled production guarantees reliable performance in both static and dynamic load-bearing situations.

Technical Specifications of Low Thickness Longitudinal Welded Tube

  • Material Grades: Common steels include ASTM A500 Grade B & C, A513, S235JR, S355JR, and other low-carbon/mild steels.
  • Standards: Production conforms to ASTM, EN, DIN, JIS, and other international specifications.
  • Welding Method: High-Frequency Induction (HFI) Welding for a precise, contamination-free seam.
  • Key Advantage: Excellent strength-to-weight ratio and consistent cross-sectional geometry.
  • Surface Finish: Mill finish (with light oxidation), black, galvanized, or pre-primed.
Outer Diameter (OD) Wall Thickness (WT) Range Common Lengths Primary Applications
10 mm - 120 mm 0.6 mm - 2.5 mm 6 meters, 12 meters, or random/cut lengths Furniture frames, automotive components, display racks
120 mm - 300 mm 1.5 mm - 4.0 mm 6 meters, 12 meters, or random/cut lengths Conveyor rollers, mechanical framing, light structural supports

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