Galvanized ERW Steel Pipe

 

Galvanized ERW Steel Pipe is made from steel strip as raw material, formed by high-frequency resistance welding, and then galvanized. High-frequency current is used to instantaneously heat and pressurize the edges of the steel strip during welding, resulting in a dense weld structure, high forming precision, excellent mechanical properties, and stable quality.
After welding, a uniform zinc protective layer covers the surface of the steel pipe, effectively improving its corrosion resistance and service life. This product is widely used in building structures, steel structure engineering, fences, scaffolding, machinery manufacturing, photovoltaic supports, and light industrial fields.

 

 

 

 High-frequency welding, stable weld quality: Erw galvanized pipe utilizes advanced high-frequency welding technology, resulting in smooth, dense welds with high strength, and overall performance approaching that of seamless steel pipes.

 

 Galvanized Coating Protection, Strong Corrosion Resistance

The galvanized coating on the surface of the Erw galvanized steel pipe is uniform and firm, effectively resisting humid air, water vapor, and general corrosive environments, suitable for indoor and outdoor use.

 

 High dimensional accuracy and good consistency: Automated forming and online control systems ensure small tolerances in the outer diameter and wall thickness of the ERW GI pipe, suitable for batch projects and standardized installations.

 

 Excellent surface quality and aesthetically pleasing appearance: The pipe surface is smooth and flat, free of obvious zinc nodules, cracks, or welding defects, suitable for direct use or secondary processing.

 

  Excellent processing performance: Easy to cut, weld, punch, bend, and paint, meeting various engineering and manufacturing needs.

 

  Outstanding cost-effectiveness: While ensuring structural strength and corrosion resistance, the manufacturing cost is lower than seamless pipes and stainless steel pipes, making it suitable for mass production applications.

 

 

1. Selection of High-Quality Steel Strip

2. Forming and Rolling

3. High-Frequency Resistance Welding

4. Online Deburring of Weld Seams

5. Sizing and Straightening

6. Galvanizing Treatment

7. Cooling and Cutting to Length

8. Finished Product Inspection and Packaging

 

Product Name	ERW Pipe Galvanized
Material	Q195,Q235,Q345,SPCC,S350GD,S450GD,S550GD
Outer Diameter	Round pipe: Φ10 mm – Φ219 mm Square pipe: 10*10 mm – 200*200 mm Rectangular pipe: 10*20 mm – 150*200 mm
Wall Thickness	0.75 mm – 6.0 mm
Length	Standard length 6 m, 9 m, 12 m; customizable
Shape	Round, square, rectangular (irregular shapes can be customized)

 

 

 Building and Steel Structure Engineering

 

 Fences, Guardrails and Protective Systems

 

 Scaffolding and Formwork Support Systems

 

 Photovoltaic Support and Installation Systems

 

 Greenhouses and Agricultural Facilities

 

 Furniture Piping and Hardware Products

 

 

 

Galvanized high-frequency welded pipe combines the high strength of high-frequency welding technology with the corrosion resistance of galvanizing, ensuring stable quality while offering excellent economic benefits. It is a popular pipe choice for various structural and engineering projects. We can provide third-party testing reports upon request.

 

 

1. Large outer diameter: Bulk

2. Small outer diameter: Steel strapping

3. All packaged with waterproof membrane