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High-Frequency Welded Steel Pipe

High-frequency welded steel pipe is a type of steel pipe produced by welding metallic materials (primarily steel plates) together using the resistive heating effect of high-frequency current. This process leverages the skin effect and proximity effect of high-frequency current to heat and melt the edges of the pipe blank. Pressure welding is then performed under the action of squeeze rolls, thereby achieving the production of steel pipes.