Electric welded longitudinal tube is one of the types of metal products assortment. Electric welded tube is manufactured from strips or by welding from steel plate. As a result of this rolling method the tube has welded seam along the whole length, that’s why the tube was called longitudinal electric welded tube. There are spiral-welded tubes; such tubes have spirally made seam.

These products should not be bent, because this process can destroy the integrity of tubes. Welded tubes are manufactured from metal products of steel grades: low alloy and carbon. Tubes are subjected to treatment by special composition to have anti-corrosion properties. Electric welded tubes must have high strength characteristics, keep internal pressure. Electric welded tubes should meet requirements of GOST or TU.

Main function of electric-welded tubes is laying pipelines of other purposes (including main pipelines). Longitudinal electric welded tubes can be used in manufacture of metal structures, in industry and construction. Electric-welded tubes are widely used in the oil and gas industry.

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