RU2012152616A - METHOD FOR PRODUCING SEAMLESS HOT-ROLLED PIPES OF 610 × 28-32 mm SIZE FROM STEELS OF BRANDS 15X1M1F AND 10X9MFB-SH TO TPU 8-16 "WITH PILGRIM MILLS FOR PIPELINES OF AN OPENING SITES - Google Patents
METHOD FOR PRODUCING SEAMLESS HOT-ROLLED PIPES OF 610 × 28-32 mm SIZE FROM STEELS OF BRANDS 15X1M1F AND 10X9MFB-SH TO TPU 8-16 "WITH PILGRIM MILLS FOR PIPELINES OF AN OPENING SITES Download PDFInfo
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- RU2012152616A RU2012152616A RU2012152616/02A RU2012152616A RU2012152616A RU 2012152616 A RU2012152616 A RU 2012152616A RU 2012152616/02 A RU2012152616/02 A RU 2012152616/02A RU 2012152616 A RU2012152616 A RU 2012152616A RU 2012152616 A RU2012152616 A RU 2012152616A
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Abstract
1. Способ производства бесшовных горячекатаных труб размером 610×28-32 мм из сталей марок 15Х1М1Ф и 10Х9МФБ-Ш на ТПУ 8-16'' с пилигримовыми станами для трубопроводов промежуточного перегрева пара котельных установок, включающий выплавку слитков в электрических и мартеновских печах, ковку слитков в поковки размером 680×1400±50 мм, обточку поковок в трубные заготовки размером 650×1400±50 мм, выплавку слитков электрошлаковым переплавом размером 640×1750±50 мм, механическую обработку-обточку слитков в слитки-заготовки размером 620×750±50 мм, сверление в заготовках и слитках-заготовках центрального отверстия диаметром 100±5 мм, нагрев заготовок и слитков-заготовок до температуры пластичности, прошивку их в стане поперечно-винтовой прокатки в гильзы-заготовки размером соответственно 660×вн.340×1690-1810 мм и 650×вн.340×2010-2120 мм на оправке диаметром 325 мм с вытяжками µ=1,25 и µ=1,18 и подъемом по диаметру Δ=1,54 и Δ=4,84, охлаждение гильз-заготовок, ремонт гильз-заготовок при необходимости, повторный нагрев гильз-заготовок с холодного посада до температуры пластичности, прошивку-раскатку гильз-заготовок в стане поперечно-винтовой прокатки из кованых заготовок в гильзы размером 680×вн.530×2890-3100 мм на оправке диаметром 515 мм с вытяжкой µ=1,71 и подъемом по диаметру Δ=3,03%, прошивку-раскатку гильз-заготовок ЭШП в гильзы размером 680×вн.530×3300-3480 мм на оправке диаметром 515 мм с вытяжкой Δ=1,64 и подъемом по диаметру Δ=4,62%, прокатку гильз на пилигримовых станах в валках диаметром 1045 мм с калибром 562 мм в товарные трубы размером 550×28-32×6000-8800 мм, длина которых зависит от толщины стенки труб, размеров заготовок и слитков-заготовок ЭШП, с подачей гильз в очаг деформации m=20-25 мм, коэффиц1. Method for the production of seamless hot-rolled pipes of 610 × 28-32 mm in size from 15Kh1M1F and 10Kh9MFB-Sh steels on 8-16 '' TPU with pilgrim mills for pipelines for the intermediate overheating of steam of boiler plants, including ingot smelting in electric and open-hearth furnaces, forging ingots into forgings of size 680 × 1400 ± 50 mm, turning of forgings into pipe billets of size 650 × 1400 ± 50 mm, smelting of ingots by electroslag remelting of size 640 × 1750 ± 50 mm, machining-turning of ingots into ingots-blanks of 620 × 750 ± 50 mm, drilling in workpieces and ingots-billets of the central hole with a diameter of 100 ± 5 mm, heating the billets and ingots-billets to a temperature of plasticity, piercing them in a cross-helical rolling mill into billet sleeves measuring respectively 660 × in. 340 × 1690-1810 mm and 650 × in. 340 × 2010-2120 mm on a mandrel with a diameter of 325 mm with hoods μ = 1.25 and μ = 1.18 and a rise in diameter Δ = 1.54 and Δ = 4.84, cooling of sleeve blanks, repair of sleeve blanks with if necessary, re-heating the sleeve blanks from a cold embankment to a plasticity temperature, flashing-rolling of the sleeve blanks in the cross-section mill rolling from forged billets into sleeves of size 680 × ext. 530 × 2890-3100 mm on a mandrel with a diameter of 515 mm with a hood µ = 1.71 and a rise in diameter Δ = 3.03%, firmware rolling of EBP shells-blanks into sleeves measuring 680 × in. 530 × 3300-3480 mm on a mandrel with a diameter of 515 mm with a hood Δ = 1.64 and a rise in diameter Δ = 4.62%, rolling the sleeves on pilgrim mills in rolls with a diameter of 1045 mm and 562 mm caliber pipes with a size of 550 × 28-32 × 6000-8800 mm, the length of which depends on the pipe wall thickness, sizes of blanks and ingots-blanks ESR, with the supply of sleeves into the deformation zone m = 20-25 mm, coefficients
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2012152616/02A RU2523394C1 (en) | 2012-12-06 | 2012-12-06 | PRODUCTION OF SEAMLESS HOT-ROLLED PIPES SIZED TO 610×28-32 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 |
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Application Number | Priority Date | Filing Date | Title |
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RU2012152616/02A RU2523394C1 (en) | 2012-12-06 | 2012-12-06 | PRODUCTION OF SEAMLESS HOT-ROLLED PIPES SIZED TO 610×28-32 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 |
Publications (2)
Publication Number | Publication Date |
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RU2012152616A true RU2012152616A (en) | 2014-06-20 |
RU2523394C1 RU2523394C1 (en) | 2014-07-20 |
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RU2012152616/02A RU2523394C1 (en) | 2012-12-06 | 2012-12-06 | PRODUCTION OF SEAMLESS HOT-ROLLED PIPES SIZED TO 610×28-32 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 |
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Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2180874C2 (en) * | 1998-09-14 | 2002-03-27 | АООТ "Челябинский трубопрокатный завод" | Method for making large-diameter boiler tubes of ingots of electroslag refining |
RU2247612C2 (en) * | 2003-05-06 | 2005-03-10 | ОАО "Челябинский трубопрокатный завод" | Method for making hot deformed and conversion mean- and large-diameter tubes of corrosion resistant hard-to-form steels and alloys in tube rolling aggregate with pilger mills |
RU2288058C2 (en) * | 2004-12-27 | 2006-11-27 | ОАО "Челябинский трубопрокатный завод" | Boiler tubes of continuously cast billets manufacturing method |
RU2353446C2 (en) * | 2007-02-14 | 2009-04-27 | ОАО "Челябинский трубопрокатный завод" | Production method of seamless pipes of major and middle diametres for steam boilers, steam pipelines and collectors of units with high and overcritical steam parameters |
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