Fine Wall Straight Seam Steel Pipe

For structural applications requiring high strength with minimized material usage, the Fine Wall Straight Seam Steel Pipe is engineered to deliver superior performance. This product, also recognized in the industry as a Light Wall Longitudinal Welded Steel Tube, is designed for efficiency and durability. Its precise manufacturing makes it an ideal Slim Wall Straight Seam Welded Pipe, perfect for frameworks and mechanical components where weight savings are critical. We also offer specialized variants like the Low Thickness Longitudinal Welded Tube, which is optimized for cost-effective projects without compromising on structural integrity. For applications demanding the utmost in precision and sleek profiles, our Thin Gauge Longitudinal Seam Welded Pipe provides an excellent solution, ensuring reliable performance in demanding environments.


The defining characteristic of the Fine Wall Straight Seam Steel Pipe is its exceptional balance of lightness and robustness. Produced using high-grade steel coils, the pipe is formed and welded along a single longitudinal seam with advanced, high-frequency induction welding (HFIW) or submerged arc welding (SAW) techniques. This process guarantees a consistent, high-quality weld with excellent metallurgical properties, resulting in a pipe that offers reliable performance under various stress conditions. The Fine Wall Straight Seam Steel Pipe undergoes rigorous non-destructive testing, including ultrasonic and hydrostatic tests, to ensure it meets the highest standards for dimensional accuracy, surface finish, and leak-proof integrity. Available in a wide range of custom sizes and finishes, the Fine Wall Straight Seam Steel Pipe can be tailored to meet the specific requirements of diverse industrial and commercial projects.

Core Specifications of Fine Wall Straight Seam Steel Pipe:

  • Material Grade: ASTM A53 Gr. B, ASTM A500 Gr. B/C, API 5L Gr. B, or equivalent international standards.
  • Manufacturing Process: High-Frequency Induction Welding (HFIW) or Submerged Arc Welding (SAW).
  • Wall Thickness Range: 0.8mm to 4.0mm (Custom thicknesses available).
  • Outer Diameter (OD) Range: 10mm to 406mm (Custom diameters available).
  • Standard Length: 6 meters, 12 meters, or as per customer request.
  • Surface Treatment: Black, Galvanized, Pre-primed, or Varnished.
  • Ends: Plain ends, Beveled ends, or Threaded (upon request).
Outer Diameter (mm) Common Wall Thickness (mm) Approximate Weight per Meter (kg/m) Typical Application
21.3 1.2, 1.5, 2.0 0.59 - 0.95 Furniture, Handrails, Light Structural
33.7 1.5, 2.0, 2.5 1.19 - 1.92 Automotive Parts, Greenhouse Frames
60.3 2.0, 2.5, 3.0 2.87 - 4.24 Mechanical Engineering, Support Columns
114.3 2.5, 3.0, 4.0 6.89 - 10.88 Industrial Racking, Architectural Structures
168.3 3.0, 3.5, 4.0 12.23 - 16.21 Large Framework, Piling Casing

Hot Products

  • Thick-Walled Rectangular Tube

    Thick-Walled Rectangular Tube

    Xinlida’s China Thick-Walled Rectangular Tube is a kind of hollow thin wall tube with square or rectangular cross section, which occupies an important position in many fields by virtue of its own characteristics.Thin-walled square tube mainly has two kinds of welding technology: high frequency welding and cold rolling forming welding.
  • Black Seamless Steel Pipe

    Black Seamless Steel Pipe

    Xinlida supplier Black Seamless Steel Pipe is a seamless hollow circular steel made by hot-rolling process. With its own characteristics, it has been widely used in multiple industries such as petroleum, chemical engineering, power, mechanical manufacturing, and construction.
  • Longitudinal Welded Pipe

    Longitudinal Welded Pipe

    Longitudinal Welded Pipe producted by Xinlida manufacturer is a steel plate or steel strip rolled, welded into a straight line by welding technology (such as high frequency welding or submerged arc welding) to form a tubular structure.Compared with seamless steel pipe, the production process of straight seam steel pipe is simple and the cost is low, but the strength of the weld may be slightly lower than that of seamless steel pipe.
  • Hot-rolled seamless steel pipes for fire protection pipelines

    Hot-rolled seamless steel pipes for fire protection pipelines

    In the field of fire safety, Hot-rolled seamless steel pipes for fire protection pipelines play a crucial role, serving as key components to ensure the stable operation of fire protection systems. Tianjin Xinlida Steel Pipe Co., Ltd. has deep expertise in the steel pipe business and boasts outstanding performance in the production and supply of hot-rolled seamless steel pipes for fire protection pipelines.
  • Drainage spiral welded pipe

    Drainage spiral welded pipe

    In the wave of modern urban construction, drainage systems are like the "blood vessels" of a city, and their smooth operation highly depends on a core component—Drainage spiral welded pipe. The quality and performance of this core component directly affect the service life and operational efficiency of the project. Tianjin Xinlida Steel Pipe Co., Ltd., leveraging its years of technical expertise in the steel pipe industry, utilizes an intelligent production system and a global service network to provide global customers with Drainage spiral welded pipe solutions that meet international standards.
  • Thick Galvanized Elliptical Pipe

    Thick Galvanized Elliptical Pipe

    Since its establishment in 2015, Tianjin Xinlida Steel Pipe Co., Ltd. has been deeply engaged in the field of Thick Galvanized Elliptical Pipe manufacturing. Now it has become a professional limited liability company integrating steel pipe manufacturing, processing and sales.We not only have a number of authoritative qualification certificates and complete administrative licenses, but also driven by technological innovation to maintain a leading edge in the industry competition.

Send Inquiry

X
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. By using this site, you agree to our use of cookies. Privacy Policy
Reject Accept