RU2007146356A - METHOD FOR PRODUCING THICK-WALLED PIPES OF LARGE DIAMETER FROM STEELS OF AUSTENITE CLASS - Google Patents

METHOD FOR PRODUCING THICK-WALLED PIPES OF LARGE DIAMETER FROM STEELS OF AUSTENITE CLASS Download PDF

Info

Publication number
RU2007146356A
RU2007146356A RU2007146356/02A RU2007146356A RU2007146356A RU 2007146356 A RU2007146356 A RU 2007146356A RU 2007146356/02 A RU2007146356/02 A RU 2007146356/02A RU 2007146356 A RU2007146356 A RU 2007146356A RU 2007146356 A RU2007146356 A RU 2007146356A
Authority
RU
Russia
Prior art keywords
diameter
heating
steels
rise
ingot
Prior art date
Application number
RU2007146356/02A
Other languages
Russian (ru)
Other versions
RU2386497C2 (en
Inventor
Леонид Игнатьевич Лапин (RU)
Леонид Игнатьевич Лапин
Александр Анатольевич Федоров (RU)
Александр Анатольевич Федоров
Дмитрий Всеволодович Марков (RU)
Дмитрий Всеволодович Марков
Владимир Сергеевич Баричко (RU)
Владимир Сергеевич Баричко
Анатолий Васильевич Сафьянов (RU)
Анатолий Васильевич Сафьянов
Валерий Андреевич Логовиков (RU)
Валерий Андреевич Логовиков
Юрий Борисович Белокозович (RU)
Юрий Борисович Белокозович
Николай Петрович Климов (RU)
Николай Петрович Климов
Константин Эдуардович Бубнов (RU)
Константин Эдуардович Бубнов
Александр Юрьевич Матюшин (RU)
Александр Юрьевич Матюшин
Original Assignee
ОАО "Челябинский трубопрокатный завод" (RU)
ОАО "Челябинский трубопрокатный завод"
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 ОАО "Челябинский трубопрокатный завод" (RU), ОАО "Челябинский трубопрокатный завод" filed Critical ОАО "Челябинский трубопрокатный завод" (RU)
Priority to RU2007146356/02A priority Critical patent/RU2386497C2/en
Publication of RU2007146356A publication Critical patent/RU2007146356A/en
Application granted granted Critical
Publication of RU2386497C2 publication Critical patent/RU2386497C2/en

Links

Landscapes

  • Heat Treatment Of Steel (AREA)

Abstract

Способ производства толстостенных труб большого диаметра из сталей аустенитного класса, включающий нагрев сверленого слитка, двойную прошивку с промежуточным нагревом и раскатку гильзы на пилигримовом стане, отличающийся тем, что перед первой прошивкой сверленый слиток ЭШП обжимают на стане поперечно-винтовой прокатки без оправки, с посадом по диаметру на 9-13% и утонением стенки на 18-21% за счет подъема диаметра сверления, а затем после нагрева слиток два раза прошивают с промежуточным нагревом и подъемом до первоначального диаметра.A method of manufacturing thick-walled large-diameter pipes from austenitic class steels, including heating a drilled ingot, double piercing with intermediate heating and rolling the sleeves on a pilgrim mill, characterized in that before the first piercing, the ESR drill bit is crimped on a cross-helical rolling mill without mandrel, with a fit in diameter by 9–13% and thinning of the wall by 18–21% due to a rise in the drilling diameter, and then after heating, the ingot is flashed twice with intermediate heating and rise to the original diameter.

Claims (1)

Способ производства толстостенных труб большого диаметра из сталей аустенитного класса, включающий нагрев сверленого слитка, двойную прошивку с промежуточным нагревом и раскатку гильзы на пилигримовом стане, отличающийся тем, что перед первой прошивкой сверленый слиток ЭШП обжимают на стане поперечно-винтовой прокатки без оправки, с посадом по диаметру на 9-13% и утонением стенки на 18-21% за счет подъема диаметра сверления, а затем после нагрева слиток два раза прошивают с промежуточным нагревом и подъемом до первоначального диаметра.A method of manufacturing thick-walled large-diameter pipes from austenitic class steels, including heating a drilled ingot, double piercing with intermediate heating and rolling the sleeves on a pilgrim mill, characterized in that before the first piercing, the ESR drill bit is crimped on a cross-helical rolling mill without mandrel, with a fit in diameter by 9–13% and thinning of the wall by 18–21% due to a rise in the drilling diameter, and then after heating, the ingot is flashed twice with intermediate heating and rise to the original diameter.
RU2007146356/02A 2007-12-13 2007-12-13 Method for production of thick-walled pipes of larger diametre from austenite grade steel RU2386497C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2007146356/02A RU2386497C2 (en) 2007-12-13 2007-12-13 Method for production of thick-walled pipes of larger diametre from austenite grade steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2007146356/02A RU2386497C2 (en) 2007-12-13 2007-12-13 Method for production of thick-walled pipes of larger diametre from austenite grade steel

Publications (2)

Publication Number Publication Date
RU2007146356A true RU2007146356A (en) 2009-06-20
RU2386497C2 RU2386497C2 (en) 2010-04-20

Family

ID=41025511

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2007146356/02A RU2386497C2 (en) 2007-12-13 2007-12-13 Method for production of thick-walled pipes of larger diametre from austenite grade steel

Country Status (1)

Country Link
RU (1) RU2386497C2 (en)

Also Published As

Publication number Publication date
RU2386497C2 (en) 2010-04-20

Similar Documents

Publication Publication Date Title
ATE422978T1 (en) METHOD FOR PRODUCING A SEAMLESS HOT-FINISHED STEEL TUBE
ATE502715T1 (en) METHOD FOR PRODUCING STEAM GENERATOR TUBE WALLS CONSISTING PREMIUMLY OF 9-12
MY150012A (en) Method of radially expanding a tubular element
RU2003101009A (en) METHOD FOR PRODUCING HOT ROLLED BOUNDARY PIPES OF LARGE AND MEDIUM DIAMETERS FROM DIFFICULTY DEFORMABLE STEELS AND STEEL ALLOYS IN PIPELINE PLANTS WITH PILGRIM MILLS
EA201000197A1 (en) METHOD FOR STRENGTHENING A WELL OR A PIPE WITH THE HELP OF A PUMPING CAMERA
ATE442917T1 (en) METHOD AND ROLLING MILL FOR PRODUCING A SEAMLESS TUBE
BRPI0610086A2 (en) Method for producing ultra thin wall metal pipe with cold working process
ATE421395T1 (en) METHOD AND DEVICE FOR PRODUCING METAL RINGS
RU2008115395A (en) METHOD FOR PRODUCING SEAMLESS HOT DEFORMED PIPES OF LARGE AND MEDIUM DIAMETERS IN PIPELINE PLANTS WITH PILGRIM MILLS
RU2007146356A (en) METHOD FOR PRODUCING THICK-WALLED PIPES OF LARGE DIAMETER FROM STEELS OF AUSTENITE CLASS
CN107971706A (en) A kind of production method of super large caliber titanium alloy seamless pipe
HRP20161605T1 (en) Method for producing a gun barrel with integrally adjoining housing
MX2015000371A (en) Seamless metal tube fabrication method, mandrel mill, and auxiliary tools.
RU2001108920A (en) METHOD FOR PRODUCING SEAMLESS HOT-ROLLED PIPES OF BIG DIAMETER OF HIGHER ACCURACY ON THE WALL ON PIPELINE PLANTS WITH PILGRIM MILLS
RU2007120927A (en) METHOD FOR PRODUCING A THREADED BAR
CN205414177U (en) Screw tube expander
RU2008115388A (en) METHOD FOR PRODUCING SEAMLESS HOT DEFORMED PIPES OF LARGE AND MEDIUM DIAMETERS IN PIPELINE PLANTS WITH PILGRIM MILLS
RU2008115346A (en) METHOD FOR PRODUCING SEAMLESS HOT DEFORMED PIPES OF LARGE AND MEDIUM DIAMETERS IN PIPELINE PLANTS WITH PILGRIM MILLS
RU2009145351A (en) METHOD FOR PRODUCING SEAMLESS TUBES OF LARGE DIAMETER
RU2009102697A (en) METHOD OF INTENSIVE METAL STRUCTURE WORK
RU2008125283A (en) METHOD FOR PRODUCING THIN WALL PIPES
RU2007120924A (en) METHOD FOR MANUFACTURE EMPLOYEES
UA46894U (en) method of production of cold-deformed precision pipes
RU2007105706A (en) METHOD FOR PRODUCING THICK-WALLED PIPES
RU2012107940A (en) METHOD FOR PRODUCING PIPES FROM METALS WITH HEXAGONAL DENSE PACKED GRILLE IN TEXTURED STATE

Legal Events

Date Code Title Description
MM4A The patent is invalid due to non-payment of fees

Effective date: 20091214

NF4A Reinstatement of patent

Effective date: 20121120

MM4A The patent is invalid due to non-payment of fees

Effective date: 20181214