Spiral steel pipe

Spiral steel pipe is a spiral seam steel pipe welded by automatic double-wire double-sided submerged arc welding process.


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Straight seam steel pipe

Straight seam steel pipe is a steel pipe whose weld is parallel to the longitudinal direction of the steel pipe, mainly including submerged arc welded straight seam steel pipe and high frequency welded steel pipe. Customizable.


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Seamless steel pipe

LSAW steel pipe is a single plate as raw material, the steel plate in the mold or forming machine pressure (roll) into tube blank.


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