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Information × Registration Number 0305U003288, 0104U005766 , R & D reports Title Development of a technology and mastering the production of seamless hot rolled oil field tubes, size 426x10 mm at 159-426 Tube Rolling Unit using non-deformed sguare billets popup.stage_title Розробка технології освоювання виробництва безшовних гарячекатаних нафтопроводних труб розміром 426х10 мм на ТПА 159-426 із недеформованої заготовки квадратного перерізу Head Medvedev M.I., Registration Date 09-03-2005 Organization Ya.Ye.Osada State Scientific Research Tube Institute popup.description2 Regulations for rolling and adjustment of the tools used in rolling at 159-426 TRI with the diametr/wall thickness ratio about 40 have been worked out. The work results have ensured a possibility of a stable manufacture of 426x10-11 mm tubes with wall thickness tolerance of -8 to +17%. "Bottle necks" of the rolling technology and the 159-426 TRI eguipment operation hve been revealed. Their elimination will allow the Works to fulfill orders of delivery of 426x10-11 mm tubes of carbon and low alloy cteel grades5635 Product Description popup.authors popup.nrat_date 2020-04-02 Close