RU2001131423A - METHOD FOR CONTINUOUS CASTING OF TAPES FROM AUSTENITIC STAINLESS STEEL AND TAPE OBTAINED BY THIS METHOD - Google Patents

METHOD FOR CONTINUOUS CASTING OF TAPES FROM AUSTENITIC STAINLESS STEEL AND TAPE OBTAINED BY THIS METHOD

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Publication number
RU2001131423A
RU2001131423A RU2001131423/02A RU2001131423A RU2001131423A RU 2001131423 A RU2001131423 A RU 2001131423A RU 2001131423/02 A RU2001131423/02 A RU 2001131423/02A RU 2001131423 A RU2001131423 A RU 2001131423A RU 2001131423 A RU2001131423 A RU 2001131423A
Authority
RU
Russia
Prior art keywords
stainless steel
austenitic stainless
continuous casting
vol
tapes
Prior art date
Application number
RU2001131423/02A
Other languages
Russian (ru)
Other versions
RU2239518C2 (en
Inventor
Кристиан МАРЧИОННИ
Фредерик Мазюрье
Жан-Мишель Дамасс
Фредерик ДЕСКАВ
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 FR9905052A external-priority patent/FR2792560B1/en
Application filed by Юзинор filed Critical Юзинор
Publication of RU2001131423A publication Critical patent/RU2001131423A/en
Application granted granted Critical
Publication of RU2239518C2 publication Critical patent/RU2239518C2/en

Links

Claims (4)

1. Способ непрерывной отливки ленты из аустенитной нержавеющей стали толщиной 10 мм и менее непосредственно из ее жидкого состояния между двумя горизонтальными охлаждаемыми валками, отличающийся тем, что:1. The method of continuous casting of austenitic stainless steel tape with a thickness of 10 mm or less directly from its liquid state between two horizontal cooled rolls, characterized in that: - сталь имеет следующий состав, в вес.: С<0,08, Si<1, Р<0,04, Mn<2, Cr 17-20, Ni 8-10,5, S 0,007-0,040, остальное - железо и примеси, привнесенные при выплавке;- steel has the following composition, in weight: C <0.08, Si <1, P <0.04, Mn <2, Cr 17-20, Ni 8-10.5, S 0.007-0.040, the rest is iron and impurities introduced during smelting; - соотношение Creq/Nieq составляет 1,55-1,90 при:- the ratio of Cr eq / Ni eq is 1.55-1.90 when: Creq(%)=Cr%+1,37 Мо%+1,5 Si%+2 Nb%+3 Ti% иCr eq (%) = Cr% + 1.37 Mo% + 1.5 Si% + 2 Nb% + 3 Ti% and Nieq(%)=Ni%+0,31 Mn%+22 С%+14,2 N%+Cu%;Ni eq (%) = Ni% + 0.31 Mn% + 22 C% + 14.2 N% + Cu%; - поверхность валков содержит примыкающие друг к другу углубления приблизительно круглой или эллиптической формы диаметром 100-1500 мкм и глубиной 20-150 мкм;- the surface of the rolls contains adjacent to each other recesses of approximately round or elliptical shape with a diameter of 100-1500 microns and a depth of 20-150 microns; - инертный газ вокруг мениска представляет собой растворимый в стали газ или смесь из таких газов или содержит по меньшей мере 50 об.% такого газа или газовой смеси.- the inert gas around the meniscus is a gas soluble in steel or a mixture of such gases, or contains at least 50 vol.% such gas or gas mixture. 2. Способ по п.1, отличающийся тем, что соотношение Creq/Nieq составляет от 1,70 до 1,90.2. The method according to claim 1, characterized in that the ratio of Cr eq / Ni eq is from 1.70 to 1.90. 3. Способ по п.1 или 2, отличающийся тем, что инертный газ состоит из смеси азота 50-100 об.% и аргона 50-0 об.%.3. The method according to claim 1 or 2, characterized in that the inert gas consists of a mixture of nitrogen 50-100 vol.% And argon 50-0 vol.%. 4. Лента из аустенитной нержавеющей стали, отличающиеся тем, что она получена способом по любому из пп.1-3.4. Tape from austenitic stainless steel, characterized in that it is obtained by the method according to any one of claims 1 to 3.
RU2001131423/02A 1999-04-22 2000-04-12 Method for continuous casting of band of austenite stainless steel and band cast by such method RU2239518C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9905052A FR2792560B1 (en) 1999-04-22 1999-04-22 CONTINUOUS CASTING PROCESS BETWEEN AUSTENITIC STAINLESS STEEL TAPE CYLINDERS OF EXCELLENT SURFACE QUALITY AND BANDS THUS OBTAINED
FR99/05052 1999-04-22

Publications (2)

Publication Number Publication Date
RU2001131423A true RU2001131423A (en) 2003-08-27
RU2239518C2 RU2239518C2 (en) 2004-11-10

Family

ID=9544705

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2001131423/02A RU2239518C2 (en) 1999-04-22 2000-04-12 Method for continuous casting of band of austenite stainless steel and band cast by such method

Country Status (22)

Country Link
US (1) US6739383B1 (en)
EP (1) EP1185387B1 (en)
JP (1) JP4454868B2 (en)
KR (1) KR100636868B1 (en)
CN (1) CN1187148C (en)
AT (1) ATE229391T1 (en)
AU (1) AU767990B2 (en)
BR (1) BR0009894A (en)
CZ (1) CZ296650B6 (en)
DE (1) DE60000997T2 (en)
DK (1) DK1185387T3 (en)
ES (1) ES2188523T3 (en)
FR (1) FR2792560B1 (en)
PL (1) PL194231B1 (en)
PT (1) PT1185387E (en)
RU (1) RU2239518C2 (en)
SI (1) SI1185387T1 (en)
SK (1) SK286180B6 (en)
TR (1) TR200103014T2 (en)
TW (1) TW434058B (en)
WO (1) WO2000064612A1 (en)
ZA (1) ZA200108666B (en)

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DE10349400B3 (en) * 2003-10-21 2005-06-16 Thyssenkrupp Nirosta Gmbh Method for producing cast steel strip
CN100493745C (en) * 2006-06-23 2009-06-03 宝山钢铁股份有限公司 Method for continuously casting sheet band by dual roller
DE102007003548B3 (en) 2007-01-24 2008-09-04 Thyssenkrupp Nirosta Gmbh Casting roll for a two-roll caster and two-roll caster
US7975754B2 (en) * 2007-08-13 2011-07-12 Nucor Corporation Thin cast steel strip with reduced microcracking
AU2008100847A4 (en) 2007-10-12 2008-10-09 Bluescope Steel Limited Method of forming textured casting rolls with diamond engraving
KR101239589B1 (en) * 2010-12-27 2013-03-05 주식회사 포스코 High corrosion resistance martensite stainless steel and method of manufacturing the same
SK50222014A3 (en) 2011-11-17 2014-09-04 Nucor Corporation Method of continuous casting thin steel strip
KR101360660B1 (en) * 2011-12-27 2014-02-07 주식회사 포스코 Method for manufacturing austenitic stainless steel sheet having excellent edge property
KR101510506B1 (en) 2012-12-26 2015-04-08 주식회사 포스코 Twin roll strip casting method for reducing scum formation
CN103255352B (en) * 2013-04-19 2015-05-20 山西太钢不锈钢股份有限公司 Method for improving and forming austenite in ultra-low carbon austenitic stainless steel bar
JP6347864B1 (en) * 2017-03-24 2018-06-27 日新製鋼株式会社 Method for producing austenitic stainless steel slab
CN107030264B (en) * 2017-04-27 2019-04-26 酒泉钢铁(集团)有限责任公司 A kind of super austenitic stainless steel double roll strip casting rolling production process
CN109778077B (en) * 2017-11-10 2021-01-08 大连华锐重工集团股份有限公司 Smelting method of nuclear main pump shell material
BR112020016452A2 (en) 2018-03-02 2020-12-15 Nippon Steel Corporation METHOD OF PRODUCTION OF PLATE AND CONTINUOUS LANGUAGE EQUIPMENT
CN108239724A (en) * 2018-03-29 2018-07-03 冯满 A kind of steel alloy

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US5103895A (en) * 1989-07-20 1992-04-14 Nippon Steel Corporation Method and apparatus of continuously casting a metal sheet
JPH08505811A (en) * 1993-11-18 1996-06-25 石川島播磨重工業株式会社 Steel strip casting
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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