Small Gauge Spiral Welded Tube

Small Gauge Spiral Welded Tube: Durable and Efficient Steel Tubing Solutions

For applications requiring reliable, continuous, and structurally sound steel tubing in smaller diameters, our precision-engineered Small Gauge Spiral Welded Tube is the premier choice. This advanced manufacturing process involves helically forming and welding steel strips to produce a tube characterized by superior strength-to-weight ratios and exceptional uniformity. It is ideally suited for a wide range of uses including mechanical structures, fluid conveyance, piling, and fencing. We also offer specialized variations to meet diverse project needs, such as the Small Size Spiral Welded Pipe for general construction, the Small Bore Spiral Welded Tube for precise instrumentation lines, the Small Caliber Spiral Steel Pipe for low-pressure fluid systems, and the Mini Diameter Spiral Welded Pipe for compact, space-constrained installations.

The inherent advantages of the Small Gauge Spiral Welded Tube stem from its unique helical seam. This design distributes internal pressure more evenly around the circumference compared to longitudinally welded pipes, resulting in enhanced burst pressure resistance. The spiral weld also contributes to greater flexibility and resilience against bending stresses. Our production process utilizes state-of-the-art automated welding and non-destructive testing to ensure every length meets stringent quality standards for weld integrity, dimensional accuracy, and surface finish.

Key Product Parameters & Specifications

Our Small Gauge Spiral Welded Tube is manufactured to exacting specifications, offering versatility for engineers and project managers.

Primary Materials: Carbon Steel (Q235, Q345), Stainless Steel (304, 316L), Low-Alloy High-Strength Steel.
Manufacturing Standard: Compliant with ASTM A139, ASTM A252, EN 10219, and other international standards.
Welding Process: Submerged Arc Welding (SAW) or High-Frequency Welding (HFW) for consistent, high-quality seams.
Common Applications: Structural supports, handrails, fluid transport lines, piling, agricultural equipment, and protective fencing.
Key Advantages: Excellent dimensional consistency, high strength, good ovality, cost-effectiveness for long lengths, and smooth internal surface.

Outer Diameter (OD) Range	Wall Thickness Range	Standard Length	Surface Treatment	End Finish
21.3 mm (1/2") to 406.4 mm (16")	1.0 mm to 12.7 mm	6 meters (fixed) or 12 meters (fixed), custom lengths available	Bare, Black Paint, Galvanized (Hot-Dip or Electro), Epoxy Coated	Plain End, Beveled End, Threaded (upon request)

Detailed Technical Data

Grade	Yield Strength (Min)	Tensile Strength	Elongation	Chemical Composition Highlights
Q235 / ASTM A36	235 MPa	370-500 MPa	≥25%	C, Mn, Si, P, S controlled
Q345 / ASTM A572 Gr. 50	345 MPa	490-620 MPa	≥21%	Higher Mn content for strength
Stainless Steel 304	205 MPa	515 MPa	≥40%	18% Cr, 8% Ni for corrosion resistance

Hot Products

Galvanized round pipe
Tianjin Xinlida Steel Pipe Co., Ltd. is deeply rooted in the steel pipe manufacturing industry, having established a comprehensive business matrix comprising domestic production, overseas bases, and global trade. Specializing in hot-dip galvanized round pipes that meet national standards, the company supplies procurement clients for construction, energy, and transportation projects both at home and abroad, serving as a reliable pipe supplier for projects across Southeast Asia and the Middle East. The company holds full import-export qualifications and operates an intelligent production facility with an annual capacity of 50 million tons, fully equipped with automated, smart manufacturing systems. Its products are crafted in strict accordance with national standards, with core strengths centered on four key areas: long-lasting anti-corrosion and rust resistance, a comprehensive range of specifications, suitability for all outdoor construction scenarios, and support for standardized containerized export. These capabilities precisely address four major procurement pain points associated with overseas infrastructure and outdoor pipeline projects: susceptibility to rust, difficulty in matching specifications, high shipping and containerization costs, and slow response times for non-standard orders.These hot-dip galvanized round pipes feature a uniform, dense coating that withstands rain and saline-alkali corrosion during outdoor use, eliminating the need for frequent replacements and reducing long-term maintenance costs. A comprehensive range of sizes—from small-bore 1/2-inch (4-fen) to large-bore 10-inch pipes—is available in stock, with options for custom dimensions; early consultation allows for flexible adjustments to specifications and order quantities, while rapid production scheduling helps buyers avoid inventory backlogs and project delays. Leveraging proprietary cross-border trade channels, the pipes can be nested and packed efficiently to minimize container space and directly cut overseas shipping costs. Balancing quality, cost, and delivery requirements, the product is ideally suited for long-term bulk procurement by foreign trade contractors and domestic outdoor infrastructure firms.
Natural-finish angle steel
Tianjin Xinlida Steel Pipe Co., Ltd. has long been established in the steel profile and pipe manufacturing industry, having built an integrated operational system that encompasses standardized domestic production facilities, overseas manufacturing bases, and global import-export trade. The company specializes in Natural-finish angle steel—also known as "black" or "black-skin" angle steel—which is hot-rolled from Q235B and Q355B steel grades. Formed through high-temperature rolling, the steel retains a natural black oxide surface layer and undergoes no artificial anti-corrosion treatments such as galvanizing or painting. The product range includes both equal-leg and unequal-leg angle steels, characterized by high structural strength, excellent rigidity, superior resistance to compression and bending, ease of processing, and outstanding cost-effectiveness. As a versatile, general-purpose structural profile available in a wide array of specifications, it is highly adaptable. It is primarily used in dry indoor environments, enclosed steel structures, temporary supports, and projects where anti-corrosion treatment is applied subsequently by the user. It serves as a fundamental steel product widely utilized in construction, machinery, piping supports, and factory framework applications.
Small Diameter Cold Rolled Seamless Steel Pipe
In the precise world of industrial manufacturing, the Small Diameter Cold Rolled Seamless Steel Pipe manufactured by Xinlida suppliers is like a low-key yet highly capable "hidden champion", playing an irreplaceable role in many fields with its unique craftsmanship and outstanding performance.
Thin-Walled Rectangular Tube
China Thin-Walled Rectangular Tube is a hollow thin-walled tube with square or rectangular cross section, which shines brilliantly in many fields by virtue of its unique advantages.Tianjin Xinlida Steel Pipe Co., Ltd. specializes in the production of thin-walled square tubes, products are widely used, covering construction, machinery, petroleum, chemical, electric power, transportation and other industries.
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.
Hot-Dip Galvanized Round Pipe
Tianjin Xinlida Steel Pipe Co., Ltd. has been deeply involved in the steel pipe industry for many years. Relying on a complete business system of domestic production + overseas bases + global trade, and leveraging the mature production capacity and international production standards of its overseas production base in the Philippines, the company has dedicated itself to developing this hot-dip galvanized round pipe. The product boasts four core advantages: long-lasting corrosion resistance, high strength, easy installation, and high cost-effectiveness. It perfectly solves industry pain points such as easy corrosion, insufficient load-bearing capacity, cumbersome construction, and high procurement costs of pipes used in outdoor, underground, coastal, and chemical areas. It is the ideal pipe choice for various engineering projects in construction, energy, and transportation.

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Small Gauge Spiral Welded Tube