RU2013117468A - METHOD FOR PRODUCING SEAMLESS HOT-ROLLED SMOOTH THREADED BOILER THICK-WALLED AND SPECIAL PURPOSES WITH DIAMETERS FROM 273 TO 630 mm ON PIPE PLANTS WITH PILGRIM MILLS - Google Patents
METHOD FOR PRODUCING SEAMLESS HOT-ROLLED SMOOTH THREADED BOILER THICK-WALLED AND SPECIAL PURPOSES WITH DIAMETERS FROM 273 TO 630 mm ON PIPE PLANTS WITH PILGRIM MILLS Download PDFInfo
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- RU2013117468A RU2013117468A RU2013117468/02A RU2013117468A RU2013117468A RU 2013117468 A RU2013117468 A RU 2013117468A RU 2013117468/02 A RU2013117468/02 A RU 2013117468/02A RU 2013117468 A RU2013117468 A RU 2013117468A RU 2013117468 A RU2013117468 A RU 2013117468A
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Abstract
1. Способ производства бесшовных горячекатаных гладких, нарезных, котельных, толстостенных и труб специального назначения диаметром от 273 до 630 мм на трубопрокатной установке с пилигримовыми станами, включающий формирование месячной программы, технологическую последовательность выполнения данной программы, нагрев НЛЗ, кованых заготовок, сплошных и полых слитков-заготовок ЭШП до температуры пластичности, прошивку НЛЗ, кованых заготовок и слитков-заготовок ЭШП в станах поперечно-винтовой прокатки на короткой оправке в гильзы или в гильзы-заготовки на одном из станов, прошивку-раскатку гильз-заготовок на короткой оправке во втором стане поперечно-винтовой прокатки без подогрева или после повторного нагрева, продувку гильз, транспортировку гильз к пилигримовым станом, прокатку гильз в товарные гладкие трубы общего назначения, нарезные, котельные, товарные и передельные трубы специального назначения в валках с диаметром бочки от 980 до 1045 мм с калибрами от 280 до 562 мм на дорнах с конусностью от 1,0 до 6,0 мм в зависимости от коэффициента линейного расширения стали, удаление технологической обрези-пилигримовых головок и затравочных концов, порезку труб на кратные длины пилами горячей резки, подогрев гладких общего назначения и нарезных труб в проходных секционных или печах с шагающими балками, калибровку труб, транспортировку труб на шлепперах с вращением, правку труб в шестивалковых правильных машинах, предварительную приемку и осмотр труб, торцовку с нанесением фаски на гладкие трубы общего назначения, торцовку труб с нанесением фаски на нарезных трубах, нарезку резьбы на обсадных трубах, навертку муфт и предо1. Method for the production of seamless hot-rolled smooth, threaded, boiler, thick-walled and special-purpose pipes with a diameter of 273 to 630 mm in a pipe rolling installation with pilgrim mills, including the formation of a monthly program, the technological sequence of the program, heating the billet mill, forged billets, solid and hollow ESR ingots-blanks to plasticity temperature, flashing NLZ, forged blanks and ESR ingots-blanks in cross-helical rolling mills on a short mandrel in sleeves or in sleeves - workpieces at one of the mills, flashing-rolling of sleeve blanks on a short mandrel in the second cross-helical rolling mill without heating or after reheating, blowing the sleeves, transporting the sleeves to a pilgrim mill, rolling the sleeves into general-purpose smooth pipes, grooved, special purpose boiler, commodity and conversion pipes in rolls with barrel diameters from 980 to 1045 mm with calibres from 280 to 562 mm on mandrels with taper from 1.0 to 6.0 mm depending on the linear expansion coefficient of steel, removal of techno logical trimming of pilgrim heads and seed ends, cutting of pipes to multiple lengths with hot saws, heating of smooth general purpose and threaded pipes in sectional or walk-through furnaces with walking beams, pipe calibration, pipe transportation on slippers with rotation, pipe straightening in hexagonal straightening machines , preliminary acceptance and inspection of pipes, trimming with chamfering on smooth pipes of general purpose, trimming of pipes with chamfering on threaded pipes, threading on casing pipes, winding couplings and
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Application Number | Priority Date | Filing Date | Title |
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RU2013117468/02A RU2564505C2 (en) | 2013-04-16 | 2013-04-16 | Production of seamless hot-rolled, smooth, threaded, boiler-room, thick-wall and special-purpose pipes 273-630 mm in diameter at pru with pilger mills |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2013117468/02A RU2564505C2 (en) | 2013-04-16 | 2013-04-16 | Production of seamless hot-rolled, smooth, threaded, boiler-room, thick-wall and special-purpose pipes 273-630 mm in diameter at pru with pilger mills |
Publications (2)
Publication Number | Publication Date |
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RU2013117468A true RU2013117468A (en) | 2014-10-27 |
RU2564505C2 RU2564505C2 (en) | 2015-10-10 |
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RU2013117468/02A RU2564505C2 (en) | 2013-04-16 | 2013-04-16 | Production of seamless hot-rolled, smooth, threaded, boiler-room, thick-wall and special-purpose pipes 273-630 mm in diameter at pru with pilger mills |
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Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
JP3855300B2 (en) * | 1996-04-19 | 2006-12-06 | 住友金属工業株式会社 | Manufacturing method and equipment for seamless steel pipe |
RU2303499C2 (en) * | 2005-07-04 | 2007-07-27 | ОАО "Челябинский трубопрокатный завод" | Seamless hot rolled casing tubes rolling method for cutting buttress thread |
RU2387496C2 (en) * | 2008-04-18 | 2010-04-27 | ОАО "Челябинский трубопрокатный завод" | Tube-forming installation for rolling seamless hot-deformed tubes of large and mean diametres |
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