RU2005128218A - METHOD OF PREPARATION OF BILLETS FOR ROLLING OF HOT-ROLLED GOODS AND TRANSITION PIPES OF LARGE AND MEDIUM DIAMETERS FROM DIFFICULTLY WELDED STEELS AND ALLOYS ON PIPELINES WITH INSTALLATIONS - Google Patents

METHOD OF PREPARATION OF BILLETS FOR ROLLING OF HOT-ROLLED GOODS AND TRANSITION PIPES OF LARGE AND MEDIUM DIAMETERS FROM DIFFICULTLY WELDED STEELS AND ALLOYS ON PIPELINES WITH INSTALLATIONS Download PDF

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Publication number
RU2005128218A
RU2005128218A RU2005128218/02A RU2005128218A RU2005128218A RU 2005128218 A RU2005128218 A RU 2005128218A RU 2005128218/02 A RU2005128218/02 A RU 2005128218/02A RU 2005128218 A RU2005128218 A RU 2005128218A RU 2005128218 A RU2005128218 A RU 2005128218A
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RU
Russia
Prior art keywords
hollow
ingots
billets
sleeves
steels
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RU2005128218/02A
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Russian (ru)
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RU2340417C2 (en
Inventor
нов Анатолий Васильевич Сафь (RU)
Анатолий Васильевич Сафьянов
Александр Анатольевич Федоров (RU)
Александр Анатольевич Федоров
Валентин Иреклеевич Тазетдинов (RU)
Валентин Иреклеевич Тазетдинов
Исаак Иосифович Вольберг (RU)
Исаак Иосифович Вольберг
Рашид Фасхеевич Нугуманов (RU)
Рашид Фасхеевич Нугуманов
Николай Григорьевич Дановский (RU)
Николай Григорьевич Дановский
Борис Семенович Литвак (RU)
Борис Семенович ЛИТВАК
Игорь Александрович Романцов (RU)
Игорь Александрович Романцов
Леонид Игнатьевич Лапин (RU)
Леонид Игнатьевич Лапин
Сергей Васильевич Ненахов (RU)
Сергей Васильевич Ненахов
Кирилл Николаевич Никитин (RU)
Кирилл Николаевич Никитин
Валерий Александрович Головинов (RU)
Валерий Александрович Головинов
Александр Юрьевич Матюшин (RU)
Александр Юрьевич Матюшин
Валерий Андреевич Логовиков (RU)
Валерий Андреевич Логовиков
Original Assignee
ОАО "Чел бинский трубопрокатный завод" (RU)
ОАО "Челябинский трубопрокатный завод"
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Priority to RU2005128218/02A priority Critical patent/RU2340417C2/en
Publication of RU2005128218A publication Critical patent/RU2005128218A/en
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Publication of RU2340417C2 publication Critical patent/RU2340417C2/en

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  • Manufacture And Refinement Of Metals (AREA)

Claims (3)

1. Способ подготовки заготовок для прокатки горячекатаных товарных и передельных труб большого и среднего диаметров из труднодеформируемых марок стали и сплавов на трубопрокатных установках с пилигримовыми станами, включающий отливку слитков электрошлаковым переплавом, сверловку центрального отверстия диаметром 100±5 мм, нагрев их до температуры пластичности, экспандирование в полые заготовки - гильзы с последующей обточкой и расточкой их в заготовки до удаления ковочных дефектов, отличающийся тем, что на установках ЭШП отливают полые слитки-гильзы, которые обтачивают и растачивают в полые заготовки со съемом металла, а величину съема металла определяют из выражений1. A method of preparing billets for rolling hot-rolled commodity and conversion pipes of large and medium diameters from hard-to-deform steel grades and alloys in pipe rolling plants with pilgrim mills, including casting ingots by electroslag remelting, drilling a central hole with a diameter of 100 ± 5 mm, heating them to a plasticity temperature, expansion into hollow billets - sleeves with subsequent turning and boring them into billets until removal of forging defects, characterized in that hollow castings are produced on ESR installations shell ingots that are machined and bored into hollow billets with metal removal, and the metal removal value is determined from the expressions Δ=К·D/S,Δ = K · D / S, Δ1=K1·D/S,Δ 1 = K 1 · D / S, где Δ - величина снимаемого слоя металла при обточке полых слитков-гильз, мм;where Δ is the value of the removed metal layer during turning of hollow ingots-shells, mm; Δ1 - величина снимаемого слоя металла при расточке полых слитков-гильз, мм;Δ 1 - the value of the removed metal layer when boring hollow ingots, sleeves, mm; D - наружный диаметр полых слитков-гильз, мм;D is the outer diameter of the hollow ingots, sleeves, mm; S - толщина стенки полых слитков-гильз, мм;S is the wall thickness of the hollow ingots, sleeves, mm; К=0,3-0,4 - коэффициент для определения величины снимаемого слоя металла при обточке слитков гильз, большие значения которого относятся к сталям с большим содержанием легирующих элементов;K = 0.3-0.4 - coefficient for determining the magnitude of the removed metal layer during turning of the ingots of liners, large values of which relate to steels with a high content of alloying elements; K1=0,4-0,5 - коэффициент для определения величины снимаемого слоя металла при расточке слитков-гильз, большие значения которого относятся к сталям с большим содержанием легирующих элементов.K 1 = 0.4-0.5 - coefficient for determining the magnitude of the removed metal layer during the boring of ingots-liners, large values of which relate to steels with a high content of alloying elements. 2. Способ по п.1, отличающийся тем, что донную часть полых слитков-гильз электрошлакового переплава удаляют анодно-механической резкой, величину которой определяют из выражения2. The method according to claim 1, characterized in that the bottom of the hollow ingots-sleeves electroslag remelting is removed by anode-mechanical cutting, the value of which is determined from the expression L=K2·D/S,L = K 2 · D / S, где К2=15-20 - коэффициент для определения величины удаляемой донной части слитков-гильз, большие значения которого относятся к сталям с большим содержанием легирующих элементов.where K 2 = 15-20 is the coefficient for determining the magnitude of the removed bottom of the ingot shells, large values of which relate to steels with a high content of alloying elements. 3. Способ по п.1, отличающийся тем, что на концах полых заготовок, соответствующих донным концам слитков-гильз, выполняют с наружной поверхности конус на длине L1=2S3, с притуплением3. The method according to claim 1, characterized in that at the ends of the hollow billets corresponding to the bottom ends of the ingot shells, a cone is made from the outer surface at a length L 1 = 2S 3 , with blunting h≥2Sт,h≥2S t где S3 - толщина стенки полых заготовок электрошлакового переплава, мм;where S 3 - wall thickness of the hollow billets of electroslag remelting, mm; Sт - толщина стенки товарных труб, мм.S t - wall thickness of commodity pipes, mm
RU2005128218/02A 2005-09-09 2005-09-09 Method of preparation of billets for rolling of hot-rolled commerical and rerolled pipes of large and medium diameters from hardly-deformed grades of steel and alloys in tube-rolling plants with pilger rolling mills RU2340417C2 (en)

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RU2005128218/02A RU2340417C2 (en) 2005-09-09 2005-09-09 Method of preparation of billets for rolling of hot-rolled commerical and rerolled pipes of large and medium diameters from hardly-deformed grades of steel and alloys in tube-rolling plants with pilger rolling mills

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* Cited by examiner, † Cited by third party
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RU2527560C2 (en) * 2012-09-10 2014-09-10 Открытое акционерное общество "Челябинский трубопрокатный завод" PRODUCTION OF 550×25-30 mm SEAMLESS HOT-ROLLED PIPES FOR STEAM BOILERS, STEAM PIPELINES AND MANIFOLDS OF PLANTS WITH HIGH AND SUPERHIGH STEAM PARAMETERS OF "10Х9МФБ-Ш"-GRADE STEEL
RU2523195C2 (en) * 2012-09-10 2014-07-20 Открытое акционерное общество "Челябинский трубопрокатный завод" PRODUCTION OF 530×25-60 mm SEAMLESS HOT-ROLLED PIPES FOR STEAM BOILERS, STEAM PIPELINES AND MANIFOLDS OF PLANTS WITH HIGH AND SUPERHIGH STEAM PARAMETERS OF "10Х9МФБ-Ш"-GRADE STEEL
RU2527587C2 (en) * 2012-09-14 2014-09-10 Открытое акционерное общество "Челябинский трубопрокатный завод" Production of 465×75 mm seamless hot-rolled pipes for steam boilers, steam pipelines and manifolds of plants with high and superhigh steam parameters from esr ingots of "10х9мфб-ш"-grade steel
RU2522514C1 (en) * 2012-11-26 2014-07-20 Открытое акционерное общество "Челябинский трубопрокатный завод" PRODUCTION OF SEAMLESS HOT-ROLLED PIPES SIZED TO 610×28-32×4700-5400 mm FROM "15Х1М1Ф"- AND "10Х9МФБ"-GRADE STEELS AT PRU 8-16'' WITH PILGER MILLS FOR PIPELINES OF BOILER UNIT STEAM INTERMEDIATE OVERHEATING WITH HIGHER MECHANICAL PROPERTIES
RU2516161C1 (en) * 2012-11-28 2014-05-20 Открытое акционерное общество "Челябинский трубопрокатный завод" Method to produce seamless pipes with size of 377h14-60 mm for steam boilers, steam lines and headers of plants with high and supercritical parameters of steam from steel of grade 10h9mfb-sh
RU2514240C1 (en) * 2012-11-28 2014-04-27 Открытое акционерное общество "Челябинский трубопрокатный завод" Production of 530x25-60 mm seamless hot-rolled pipes for steam boilers, steam pipelines and manifolds of plants with high and superhigh steam parameters of "10х9мфб-ш"-grade steel
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RU2523376C1 (en) * 2012-12-06 2014-07-20 Открытое акционерное общество "Челябинский трубопрокатный завод" PRODUCTION OF 325×13-15 mm SEAMLESS HOT-ROLLED PIPES FOR STEAM BOILERS, STEAM PIPELINES AND MANIFOLDS OF PLANTS WITH HIGH AND SUPERHIGH STEAM PARAMETERS OF "10Х9МФБ-Ш"-GRADE STEEL
RU2532873C2 (en) * 2012-12-19 2014-11-10 Открытое акционерное общество "Челябинский трубопрокатный завод" PRODUCTION OF 377×14-19 mm SEAMLESS HOT-ROLLED PIPES FOR STEAM BOILERS, STEAM PIPELINES AND MANIFOLDS OF PLANTS WITH HIGH AND SUPERHIGH STEAM PARAMETERS OF "10Х9МФБ-Ш"-GRADE STEEL
RU2527523C2 (en) * 2012-12-19 2014-09-10 Открытое акционерное общество "Челябинский трубопрокатный завод" PRODUCTION OF SEAMLESS HOT-ROLLED PIPES SIZED TO 610×28-32×5300-6000 mm FROM "15Х1М1Ф"- AND "10Х9МФБ-Ш"-GRADE STEELS FOR PIPELINES OF BOILER UNIT STEAM INTERMEDIATE OVERHEATING
RU2537682C2 (en) * 2012-12-21 2015-01-10 Открытое акционерное общество "Челябинский трубопрокатный завод" PRODUCTION OF 377×14-60 mm SEAMLESS HOT-ROLLED PIPES FOR STEAM BOILERS, STEAM PIPELINES AND MANIFOLDS OF PLANTS WITH HIGH AND SUPERHIGH STEAM PARAMETERS FROM ESR INGOTS OF "10Х9МФБ-Ш"-GRADE STEEL
RU2530087C2 (en) * 2012-12-21 2014-10-10 Открытое акционерное общество "Челябинский трубопрокатный завод" PRODUCTION OF 465×15-60 mm SEAMLESS HOT-ROLLED PIPES FOR STEAM BOILERS, STEAM PIPELINES AND MANIFOLDS OF PLANTS WITH HIGH AND SUPERHIGH STEAM PARAMETERS FROM ESR INGOTS OF "10Х9МФБ-Ш"-GRADE STEEL
RU2530090C2 (en) * 2012-12-21 2014-10-10 Открытое акционерное общество "Челябинский трубопрокатный завод" PRODUCTION OF SEAMLESS HOT-ROLLED PIPES SIZED TO 630×28-32×4800-5500 mm FROM "15Х1М1Ф" AND "10Х9МФБ-Ш"-GRADE STEELS AT PRU 8-16" WITH PILGER MILLS FOR PIPELINES OF BOILER UNIT STEAM INTERMEDIATE OVERHEATING WITH HIGHER MECHANICAL PROPERTIES
RU2545925C2 (en) * 2013-03-19 2015-04-10 Открытое акционерное общество "Челябинский трубопрокатный завод" PRODUCTION OF 426×15-60 mm SEAMLESS HOT-ROLLED PIPES FOR STEAM BOILERS, STEAM PIPELINES AND MANIFOLDS OF PLANTS WITH HIGH AND SUPERHIGH STEAM PARAMETERS OF "10Х9МФБ-Ш"-GRADE STEEL
RU2542139C1 (en) * 2013-07-16 2015-02-20 Открытое акционерное общество "Челябинский трубопрокатный завод" Method of manufacturing of pipes "t=279(36" and "t=346(40" mm out of "08-18=10t-+" grade steel for nuclear power facilities
RU2545969C2 (en) * 2013-07-16 2015-04-10 Открытое акционерное общество "Челябинский трубопрокатный завод" MANUFACTURING METHOD OF SEAMLESS HOT-ROLLED PIPES WITH DIMENSIONS OF 530×25-30 mm FOR STEAM BOILERS, STEAM LINES AND HEADERS OF PLANTS WITH HIGH AND SUPERCRITICAL STEAM PARAMETERS FROM STEEL GRADE "10Х9МФБ-Ш"
RU2570151C2 (en) * 2014-02-04 2015-12-10 Открытое акционерное общество "Челябинский трубопрокатный завод" PRODUCTION SEAMLESS HOT-ROLLED 550×46-60 mm SIZE PIPES FOR BOILERS, STEAM LINES AND MANIFOLDS OF PLANTS WITH HIGH AND SUPERCRITICAL STEAM PARAMETERS MADE OF "10Х9МФБ-Ш"-GRADE STEEL
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RU2558319C1 (en) * 2014-05-15 2015-07-27 Открытое акционерное общество "Челябинский трубопрокатный завод" Method of production of seamless hot-worked boiler and steam line 530×30-75 mm pipes from "10х9к3в2мфбр-ш " grade refractory steel for power equipment with steam supercritical parameters

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