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RU2002129200A - METHOD FOR PRODUCING SEAMLESS HOT-ROLLED PIPES - Google Patents

METHOD FOR PRODUCING SEAMLESS HOT-ROLLED PIPES

Info

Publication number
RU2002129200A
RU2002129200A RU2002129200/02A RU2002129200A RU2002129200A RU 2002129200 A RU2002129200 A RU 2002129200A RU 2002129200/02 A RU2002129200/02 A RU 2002129200/02A RU 2002129200 A RU2002129200 A RU 2002129200A RU 2002129200 A RU2002129200 A RU 2002129200A
Authority
RU
Russia
Prior art keywords
pipes
diameter
rolling
coefficient
rolled
Prior art date
Application number
RU2002129200/02A
Other languages
Russian (ru)
Other versions
RU2233720C2 (en
Inventor
Анатолий Васильевич Сафьянов
Александр Анатольевич Фёдоров
Валерий Валерьевич Игнатьев
Леонид Игнатьевич Лапин
Игорь Александрович Романцов
Сергей Васильевич Ненахов
Сергей Алексеевич Панов
Валерий Андреевич Логовиков
Original Assignee
ОАО "Челябинский трубопрокатный завод"
Filing date
Publication date
Application filed by ОАО "Челябинский трубопрокатный завод" filed Critical ОАО "Челябинский трубопрокатный завод"
Priority to RU2002129200/02A priority Critical patent/RU2233720C2/en
Priority claimed from RU2002129200/02A external-priority patent/RU2233720C2/en
Publication of RU2002129200A publication Critical patent/RU2002129200A/en
Application granted granted Critical
Publication of RU2233720C2 publication Critical patent/RU2233720C2/en

Links

Claims (1)

Способ производства бесшовных горячекатаных труб, включающий нагрев заготовок (слитков), прошивку их на стане поперечно-винтовой прокатки и прокатку на пилигримовом стане с фиксированной величиной подачи, уменьшающейся от начала к концу прокатки, отличающийся тем, что прокатку труб на пилигримовом стане производят с подачей, величину которой уменьшают от начала прокатки к концу в зависимости от коэффициента вытяжки, толщины стенки, диаметра трубы, температуры прокатки, коэффициента линейного расширения стали и определяют из выраженияA method for the production of seamless hot-rolled pipes, including heating billets (ingots), piercing them on a cross-helical rolling mill and rolling on a pilgrim mill with a fixed feed rate, decreasing from the beginning to the end of rolling, characterized in that the pipes are rolled on the pilgrim mill , the value of which is reduced from the beginning of rolling to the end depending on the drawing ratio, wall thickness, pipe diameter, rolling temperature, coefficient of linear expansion of steel and is determined from the expression m=k·μ·S·D·α·t,m = k · μ · S · D · α · t, где μ - коэффициент вытяжки;where μ is the drawing coefficient; D - диаметр труб, мм;D is the diameter of the pipes, mm; S - толщина стенки, мм;S is the wall thickness, mm; α - коэффициент линейного расширения стали, 10-6·1/°C;α is the coefficient of linear expansion of steel, 10 -6 · 1 / ° C; t - текущее значение температуры прокатки,°С;t is the current value of the rolling temperature, ° C; k - коэффициент 0,038·1/мм для труб диаметром 273-325 мм, 0,033 - для труб диаметром 351 мм, 0,03 для труб диаметром 377 мм и 0,026 для труб диаметром 426 мм.k is a coefficient of 0.0381 / mm for pipes with a diameter of 273-325 mm, 0.033 for pipes with a diameter of 351 mm, 0.03 for pipes with a diameter of 377 mm and 0.026 for pipes with a diameter of 426 mm.
RU2002129200/02A 2002-10-31 2002-10-31 Seamless hot rolled tube manufacturing method RU2233720C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2002129200/02A RU2233720C2 (en) 2002-10-31 2002-10-31 Seamless hot rolled tube manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2002129200/02A RU2233720C2 (en) 2002-10-31 2002-10-31 Seamless hot rolled tube manufacturing method

Publications (2)

Publication Number Publication Date
RU2002129200A true RU2002129200A (en) 2004-04-27
RU2233720C2 RU2233720C2 (en) 2004-08-10

Family

ID=33413150

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2002129200/02A RU2233720C2 (en) 2002-10-31 2002-10-31 Seamless hot rolled tube manufacturing method

Country Status (1)

Country Link
RU (1) RU2233720C2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2301713C2 (en) * 2005-07-04 2007-06-27 ОАО "Челябинский трубопрокатный завод" Method for producing casing tubes for threading in tube rolling aggregates with pilger mills
RU2315672C2 (en) * 2005-09-09 2008-01-27 ОАО "Челябинский трубопрокатный завод" Rolling method of conversion tubes of large and mean diameters from ingots and billets of titanium base alloys in tube rolling aggregates with pilger mills
RU2523372C2 (en) * 2012-09-14 2014-07-20 Открытое акционерное общество "Челябинский трубопрокатный завод" Production of large- and medium-diameter rerolling pipes from titanium-based alloy ingots and blanks at pipe rolling unit with pilger mill
RU2508955C1 (en) * 2012-12-10 2014-03-10 Открытое акционерное общество "Челябинский трубопрокатный завод" METHOD OF MAKING WELL CASING SIZED TO 244,5×7,9, 244,5×9 AND 244,5×10 mm AT PIPE ROLLING UNIT WITH PILGER MILLS

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2550108B1 (en) * 1983-08-01 1986-06-27 Vallourec PROCESS FOR COLD ROLLING OF TUBES USING A PILGRIM STEEL ROLLING MACHINE AND ROLLING MACHINE FOR IMPLEMENTING SAME
US4798071A (en) * 1986-06-25 1989-01-17 Kocks Technik Gmbh & Co. Seamless tube production
RU2180874C2 (en) * 1998-09-14 2002-03-27 АООТ "Челябинский трубопрокатный завод" Method for making large-diameter boiler tubes of ingots of electroslag refining

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