RU2004138404A - METHOD FOR PRODUCING COLD-ROLLED PIPES OF LARGE AND MEDIUM DIMETERS OF HIGH PRECISION FROM TITANIUM ALLOYS - Google Patents

METHOD FOR PRODUCING COLD-ROLLED PIPES OF LARGE AND MEDIUM DIMETERS OF HIGH PRECISION FROM TITANIUM ALLOYS Download PDF

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Publication number
RU2004138404A
RU2004138404A RU2004138404/02A RU2004138404A RU2004138404A RU 2004138404 A RU2004138404 A RU 2004138404A RU 2004138404/02 A RU2004138404/02 A RU 2004138404/02A RU 2004138404 A RU2004138404 A RU 2004138404A RU 2004138404 A RU2004138404 A RU 2004138404A
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RU
Russia
Prior art keywords
inductor
rolling
sheet
billet
medium
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RU2004138404/02A
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Russian (ru)
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RU2294247C2 (en
Inventor
нов Анатолий Васильевич Сафь (RU)
Анатолий Васильевич Сафьянов
Валентин Иреклеевич Тазетдинов (RU)
Валентин Иреклеевич Тазетдинов
Николай Григорьевич Дановский (RU)
Николай Григорьевич Дановский
Исаак Иосифович Вольберг (RU)
Исаак Иосифович Вольберг
Борис Семенович Литвак (RU)
Борис Семенович ЛИТВАК
Игорь Александрович Романцов (RU)
Игорь Александрович Романцов
Владимир Григорьевич Смирнов (RU)
Владимир Григорьевич Смирнов
Сергей Васильевич Ненахов (RU)
Сергей Васильевич Ненахов
Александр Романович Яров (RU)
Александр Романович Яров
Леонид Игнатьевич Лапин (RU)
Леонид Игнатьевич Лапин
Валерий Александрович Головинов (RU)
Валерий Александрович Головинов
Кирилл Николаевич Никитин (RU)
Кирилл Николаевич Никитин
Виталий Кононович Христенко (RU)
Виталий Кононович Христенко
Александр Юрьевич Матюшин (RU)
Александр Юрьевич Матюшин
Владимир Федорович Мазаник (RU)
Владимир Федорович Мазаник
Original Assignee
ОАО "Чел бинский трубопрокатный завод" (RU)
ОАО "Челябинский трубопрокатный завод"
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Priority to RU2004138404/02A priority Critical patent/RU2294247C2/en
Publication of RU2004138404A publication Critical patent/RU2004138404A/en
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Publication of RU2294247C2 publication Critical patent/RU2294247C2/en

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  • Metal Rolling (AREA)
  • Heat Treatment Of Steel (AREA)

Claims (4)

1. Способ производства холоднокатаных труб большого и среднего диаметров повышенной точности по стенке из сплавов на основе титана, включающий производство передельной горячекатаной трубной заготовки, механическую обработку для удаления дефектов и альфированного слоя (обточку и расточку) или производство листовой заготовки, строжку листа по ширине, подготовку кромок листа к сварке, формовку листовой заготовки на вальцах в трубную заготовку, сварку продольных кромок в защитной среде аргона расходуемым электродом той же марки сплава, подготовку сварного шва к холодной прокатке, термическую обработку сварного соединения и основного сплава, прокатку труб на станах ХПТ, отличающийся тем, что прокатку на станах холодной прокатки производят за несколько маршрутов с возрастающей вытяжкой.1. Method for the production of cold-rolled pipes of large and medium diameters of increased accuracy on the wall of titanium-based alloys, including the production of a hot-rolled pipe billet, machining to remove defects and an alfin layer (turning and boring) or sheet billet production, gouging the sheet in width, preparation of sheet edges for welding, molding of sheet billets on rollers into a tube billet, welding of longitudinal edges in argon protective medium with a consumable electrode of the same alloy grade, according to preparation of the weld for cold rolling, heat treatment of the welded joint and the main alloy, rolling of pipes at the HPT mills, characterized in that the rolling at cold rolling mills is carried out in several routes with an increasing hood. 2. Способ по п.1, отличающийся тем, что до и после первого маршрута трубную передельную заготовку термообрабатывают в индукторе, а после первой прокатки шлифуют или травят по наружной и внутренней поверхности с удалением альфированного слоя толщиной 150-200 мкм.2. The method according to claim 1, characterized in that before and after the first route, the pipe conversion billet is heat treated in the inductor, and after the first rolling, it is ground or etched along the outer and inner surfaces with the removal of an alfin layer of 150-200 microns thick. 3. Способ по п.1, отличающийся тем, что после каждого последующего маршрута передельные заготовки подвергают термической обработке в индукторе без образования альфированного слоя.3. The method according to claim 1, characterized in that after each subsequent route, the billets are subjected to heat treatment in an inductor without the formation of an alpha layer. 4. Способ по п.3, отличающийся тем, что термическую обработку в индукторе производят по режиму: температура в индукторе - 580-700°С, температура в индукторе термостате - 750±50°С, охлаждение на воздухе, скорость движения труб: при толщине стенки > 10 мм - 0,2-0,4 м/мин, при толщине стенки 6,0-8,0 мм - 0,3-0,5 м/мин, при толщине стенки 1,5-5,0 мм - 0,5-0,8 м/мин.4. The method according to claim 3, characterized in that the heat treatment in the inductor is performed according to the mode: temperature in the inductor is 580-700 ° C, temperature in the inductor of the thermostat is 750 ± 50 ° C, cooling in air, pipe speed: at wall thickness> 10 mm - 0.2-0.4 m / min, with a wall thickness of 6.0-8.0 mm - 0.3-0.5 m / min, with a wall thickness of 1.5-5.0 mm - 0.5-0.8 m / min.
RU2004138404/02A 2004-12-27 2004-12-27 Cold rolled titanium-alloy large- and mean-diameter high-accuracy tubes production method RU2294247C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2004138404/02A RU2294247C2 (en) 2004-12-27 2004-12-27 Cold rolled titanium-alloy large- and mean-diameter high-accuracy tubes production method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2004138404/02A RU2294247C2 (en) 2004-12-27 2004-12-27 Cold rolled titanium-alloy large- and mean-diameter high-accuracy tubes production method

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RU2004138404A true RU2004138404A (en) 2006-06-20
RU2294247C2 RU2294247C2 (en) 2007-02-27

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102527724B (en) * 2011-12-27 2014-01-08 攀钢集团江油长城特殊钢有限公司 Manufacturing method of alloy tubular product
RU2523398C1 (en) * 2012-12-11 2014-07-20 Открытое акционерное общество "Челябинский трубопрокатный завод" PRODUCTION OF SEAMLESS COLD-FORMED OIL-WELL TUBING SIZED TO 114,3×6, 8×9000-10700 mm FROM CORROSION-RESISTANT ALLOY OF "ХН30МДБ-Ш" GRADE
RU2542132C2 (en) * 2013-06-28 2015-02-20 Открытое акционерное общество "Челябинский трубопрокатный завод" METHOD OF FABRICATION OF COMMERCIAL PIPES WITH SIZE 406,4+0,4/-0×14,38+0,28/-0,72 mm FROM TITANIUM ALLOY Gr 29 FOR FURTHER USE IN GEOTHERMAL WELLS CONSTRUCTION
RU2613256C1 (en) * 2015-11-26 2017-03-15 Публичное акционерное общество "Научно-производственная корпорация "Иркут" Manufacturing method for welded titanium tubes
RU2615386C1 (en) * 2016-03-22 2017-04-04 Комаров Андрей Ильич Method of producing cold-deformed coupling pipes of 108×18×7,400-7,600 mm size from corrosion-resistant alloy of "хн30мдб" grade
CN105921544B (en) * 2016-05-19 2017-09-15 鑫鹏源智能装备集团有限公司 Hot-working production system, the manufacture method based on product and the product made from the system of titanium or titanium alloy seamless pipe

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Effective date: 20081228