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Weld-free coiled tubing in lengths exceeding 1,000 m

| By Chemical Engineering

Sandvik Materials Technology

Sandvik Materials Technology

This company has developed a method enabling the production of stainless coiled tubing (photo) in lengths exceeding 1,000 m from a single 125-kg hollow with zero welds. The new production technique is a combination of sophisticated pilgering, precision drawing and other proprietary processes. Production of the coiled tubing is expected to be up and running at a facility in Werther, Germany this month, with the first 1,010-m coiled reel order to be supplied in October 2016. — Sandvik Materials Technology, Sandviken, Sweden