Spiral welded pipes are mainly used

Spiral welded pipes are mainly used in water engineering, petrochemical industry, chemical industry, power industry, agricultural irrigation, and urban construction in China. Used for liquid transportation: water supply and drainage. Used for gas transportation: coal gas, steam, liquefied petroleum gas. Used for structural purposes: as pile driving pipes, as bridges; Pipes for docks, roads, building structures, etc.

High frequency straight seam welded pipe（ERW/HFW） is a common method of steel pipe manufacturing, which has been widely used in industries such as construction, petrochemicals, ships, and nuclear power. The induction welding technology of high-frequency straight seam welded pipe uses the principle of electromagnetic induction to generate current and heat for welding, which is safe, reliable, efficient, and of good welding quality. This technology has important application value in modern welding manufacturing.

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