Pressing of pipe with helical internal ribbing


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Abstract

Data are presented on the hot pressing of pipe with helical internal ribbing at Volzhsk Pipe Plant (pipe pressing shop 2). A new design is proposed for the needle used in pressing. The transverse and longitudinal profiles of the pipe’s internal surface are assessed. Pipe samples are shown.

About the authors

Ya. I. Kosmatskii

OAO RosNITI

Author for correspondence.
Email: kosmatski@rosniti.ru
Russian Federation, Chelyabinsk

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