RU2001131422A - METHOD FOR CONTINUOUS CASTING OF TAPES FROM FERRITIC STAINLESS STEEL - Google Patents

METHOD FOR CONTINUOUS CASTING OF TAPES FROM FERRITIC STAINLESS STEEL

Info

Publication number
RU2001131422A
RU2001131422A RU2001131422/02A RU2001131422A RU2001131422A RU 2001131422 A RU2001131422 A RU 2001131422A RU 2001131422/02 A RU2001131422/02 A RU 2001131422/02A RU 2001131422 A RU2001131422 A RU 2001131422A RU 2001131422 A RU2001131422 A RU 2001131422A
Authority
RU
Russia
Prior art keywords
rolls
stainless steel
continuous casting
ferritic stainless
tapes
Prior art date
Application number
RU2001131422/02A
Other languages
Russian (ru)
Other versions
RU2242325C2 (en
Inventor
Фредерик Мазюрье
Original Assignee
Юзинор
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
Priority claimed from FR9905053A external-priority patent/FR2792561B1/en
Application filed by Юзинор filed Critical Юзинор
Publication of RU2001131422A publication Critical patent/RU2001131422A/en
Application granted granted Critical
Publication of RU2242325C2 publication Critical patent/RU2242325C2/en

Links

Claims (3)

1. Способ непрерывной отливки ленты из ферритной нержавеющей стали толщиной 10 мм и менее непосредственно из ее жидкого состояния между двумя валками с горизонтальными осями, охлаждаемыми и приводимыми во вращение, отличающийся тем, что жидкий металл имеет следующий состав, в об. %: С+Na≤0,12, Mn≤1, Р≤0,04, Si≤1, Мо≤2,5, Cr 11-19, Al≤1, Ti+Nb+Zr≤1, остальное - железо и примеси, привносимые при выплавке, показатель γр жидкого металла составляет от 35 до 60 %, при этом γр определяется по формуле γр=420 С%+470 N%+23 Ni%+9 Cu%+7 Mn%-11,5 Cr%-11,5 Si%-12 Мо%-23 V%-47 Nb%-49 Ti%-52 Al%+189, шероховатость Ra поверхностей валков превышает 5 мкм, вблизи от мениска расплава, находящегося между валками, применяется инертный газ, содержавший, по меньшей мере, 60 об.% растворимого в стали газа.1. The method of continuous casting of a tape of ferritic stainless steel with a thickness of 10 mm or less directly from its liquid state between two rolls with horizontal axes, cooled and driven into rotation, characterized in that the liquid metal has the following composition, vol. %: C + Na≤0.12, Mn≤1, P≤0.04, Si≤1, Mo≤2.5, Cr 11-19, Al≤1, Ti + Nb + Zr≤1, the rest is iron and impurities introduced by the smelting, γ p index of the liquid metal is from 35 to 60% with γ p is determined according to the formula γ p = 420 C% + 470 N% + 23 Ni% + 9 Cu% + 7 Mn% -11 , 5 Cr% -11.5 Si% -12 Mo% -23 V% -47 Nb% -49 Ti% -52 Al% + 189, the surface roughness Ra of the rolls exceeds 5 μm, close to the meniscus of the melt located between the rolls, an inert gas is used containing at least 60 vol.% soluble gas in steel. 2. Способ по п.1 или 2, отличающийся тем, что инертным газом является смесь азота с аргоном в соотношениях соответственно 60-100% и 0-30%.2. The method according to claim 1 or 2, characterized in that the inert gas is a mixture of nitrogen with argon in ratios of 60-100% and 0-30%, respectively. 3. Способ по любому из пп.1 и 2, отличающийся тем, что шероховатость Ra поверхностей валков составляет 5-20 мкм.3. The method according to any one of claims 1 and 2, characterized in that the roughness Ra of the surfaces of the rolls is 5-20 microns.
RU2001131422/02A 1999-04-22 2000-03-29 Process for continuous casting of band of ferrite stainless steel RU2242325C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9905053A FR2792561B1 (en) 1999-04-22 1999-04-22 PROCESS OF CONTINUOUS CASTING BETWEEN CYLINDERS OF FERRITIC STAINLESS STEEL STRIPS FREE OF MICROCRIQUES
FR99/05053 1999-04-22

Publications (2)

Publication Number Publication Date
RU2001131422A true RU2001131422A (en) 2003-09-20
RU2242325C2 RU2242325C2 (en) 2004-12-20

Family

ID=9544706

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2001131422/02A RU2242325C2 (en) 1999-04-22 2000-03-29 Process for continuous casting of band of ferrite stainless steel

Country Status (22)

Country Link
US (1) US6622779B1 (en)
EP (1) EP1187691B1 (en)
JP (1) JP4582916B2 (en)
KR (1) KR100647147B1 (en)
CN (1) CN1210121C (en)
AT (1) ATE228905T1 (en)
AU (1) AU757307B2 (en)
BR (1) BR0009881A (en)
CZ (1) CZ295816B6 (en)
DE (1) DE60000938T2 (en)
DK (1) DK1187691T3 (en)
ES (1) ES2187456T3 (en)
FR (1) FR2792561B1 (en)
PL (1) PL193187B1 (en)
PT (1) PT1187691E (en)
RU (1) RU2242325C2 (en)
SI (1) SI1187691T1 (en)
SK (1) SK285817B6 (en)
TR (1) TR200103013T2 (en)
TW (1) TW520306B (en)
WO (1) WO2000064613A1 (en)
ZA (1) ZA200108667B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100887119B1 (en) * 2002-08-30 2009-03-04 주식회사 포스코 Method of Manufacturing High Manganese Steel Sheet Strip with Twin Roll Strip Casting Apparatus
EP1680245B1 (en) * 2003-10-10 2018-12-05 Nucor Corporation Casting steel strip
US7484551B2 (en) * 2003-10-10 2009-02-03 Nucor Corporation Casting steel strip
DE10349400B3 (en) * 2003-10-21 2005-06-16 Thyssenkrupp Nirosta Gmbh Method for producing cast steel strip
KR100674618B1 (en) 2005-09-16 2007-01-29 주식회사 포스코 Method for manufacturing high manganese steel strip with twin-roll strip casting apparatus
US7975754B2 (en) * 2007-08-13 2011-07-12 Nucor Corporation Thin cast steel strip with reduced microcracking
EP2047926A1 (en) 2007-10-10 2009-04-15 Ugine & Alz France Method of manufacturing stainless steels comprising fine carbonitrides, and product obtained from this method
JP5387057B2 (en) * 2008-03-07 2014-01-15 Ｊｆｅスチール株式会社 Ferritic stainless steel with excellent heat resistance and toughness
KR101242776B1 (en) * 2011-05-13 2013-03-12 주식회사 포스코 Method for manufacturing ti-containing stainless steel sheet using twin roll strip caster
UA111115C2 (en) * 2012-04-02 2016-03-25 Ейкей Стіл Пропертіс, Інк. cost effective ferritic stainless steel
KR20180114240A (en) * 2014-01-08 2018-10-17 제이에프이 스틸 가부시키가이샤 Ferritic stainless steel and method for producing same
CN105917016B (en) * 2014-01-08 2018-11-27 杰富意钢铁株式会社 Ferrite-group stainless steel and its manufacturing method
CN116287942A (en) * 2023-03-30 2023-06-23 张家港中美超薄带科技有限公司 Method for reducing crack occurrence rate of carbon high-strength steel in production

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5983980A (en) * 1993-11-18 1999-11-16 Isahikawajima-Harima Heavy Industries Co., Ltd. Casting steel strip
JPH08150442A (en) * 1994-11-28 1996-06-11 Sumitomo Metal Ind Ltd Roll for continuously casting metallic strip
JP3273227B2 (en) * 1995-02-16 2002-04-08 新日本製鐵株式会社 Manufacturing method of ferritic stainless steel sheet with excellent living resistance
JPH08295943A (en) * 1995-04-27 1996-11-12 Nippon Steel Corp Production of ferritic stainless steel thin sheet excellent in cold rolled surface property
FR2746333B1 (en) * 1996-03-22 1998-04-24 Usinor Sacilor METHOD FOR CONTINUOUSLY CASTING A AUSTENITIC STAINLESS STEEL STRIP ON OR BETWEEN TWO MOBILE WALLS WITH SURFACES PROVIDED WITH PITCHES, AND CASTING INSTALLATION FOR IMPLEMENTING SAME

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