S235JRH Spiral Welding Steel Pipe

S235JRH Spiral Welded Steel Pipe Introduction

S235JRH EN 10219 steel pipe is available in a variety of sizes and shapes, making it ideal for general building projects such as building frames and structural support systems. It features corrosion resistance, good weldability, and high toughness. S235JRH steel pipe is also more economical and lighter than other materials such as stainless steel or titanium alloys.

Specification of EN 10219 S235JRH Steel Pipe:

S235JRH Material Equivalent:

Processing Technology of EN 10219 S235JRH Spiral Welded Pipe

The processing technology of EN 10219 S235JRH steel pipe mainly adopts cold bending forming combined with high-frequency resistance welding (ERW) technology. First, hot-rolled steel strip is gradually cold-bent into a tubular shape using multiple sets of rollers. Then, high-frequency current is used to instantly melt the edges of the pipe blank, achieving self-fusion welding of the base material under the action of pressure rollers. After forming, weld heat treatment is usually performed to relieve stress and improve the metallographic structure. Finally, finishing processes such as sizing and straightening ensure dimensional accuracy and straightness, forming a structural pipe that meets the standard requirements.

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