Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ат "Дніпропетровський Трубний Завод", АО "Днепропетровский трубный завод"filedCriticalАт "Дніпропетровський Трубний Завод"
Priority to UA96124643ApriorityCriticalpatent/UA28395A/en
Publication of UA28395ApublicationCriticalpatent/UA28395A/en
A method for cold periodic tube rolling includes operations of calibration on diameter and thickness of the wall of billet and reduction with calibration on the thickness of the wall of billet. These operations alternate between them 2-6 times, ending by the operation of calibration on diameter and wall thickness. The invention relates to the field of working metals by pressure and can be used for production of pipes from bimetallic materials on cold mills.
UA96124643A1996-12-121996-12-12method for cold periodic tube rolling
UA28395A
(en)