13768885388

18260931196

13878122022

15677140888

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EN

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Straight seam pipe

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Straight seam pipe generally adopt high-frequency welding, high frequency welding is a kind of induction (or contact pressure welding) welding, it need to weld filler, no welding spatter, narrow welding heat affected zone, weld moulding beauty, weld the advantages of good mechanical performance, thus is widely used in steel production. According to the principle of electromagnetic induction and ac charge in the conductor skin effect and proximity effect and eddy current heating effect, make the edge of the weld steel locally heated to a molten state

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