Welded tube

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Whether a longi­tu­dinal seam or spiral seam contour, the manufacture of high-quality welded pipes made of steel and non-ferrous metals presents a specific challenge. Calibration with mecha­nical expanders represents a vital process step for longi­tu­di­nally welded large pipes. So as to ensure the trouble-free support of the expander head for expansion within the pipe during forming, companies from the pipe industry success­fully employ our tried-and-tested WEDOLIT expander oils.

Our core competence

The subse­quent pipe cleaning is carried out with the same expander oil, which can also be mixed with water to form an emulsion. The disposal of used emulsion, which is an occasional requi­rement, can make a sizeable contri­bution to environ­mental protection with the aid of the new generation of WEDOLIT expander oils, as well as improving cost-effec­tiveness

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