BR9205155A - Metodo de refino de um aco de alta pureza - Google Patents

Metodo de refino de um aco de alta pureza

Info

Publication number: BR9205155A
Authority: BR; Brazil
Prior art keywords: refining; high purity; purity steel; steel; purity
Prior art date: 1991-12-24

Application number

BR9205155A

Other languages

English (en)

Inventor

Yoshiei Kato

Tadasu Kirihara

Seiji Taguchi

Tetsuya Fujii

Shigeru Omiya

Masahito Suito

Original Assignee

Kawasaki Steel Co

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.)

1991-12-24

Filing date

1992-12-23

Publication date

1993-06-29

1991-12-24 Priority claimed from JP3340674A external-priority patent/JPH05171253A/ja

1992-02-04 Priority claimed from JP01906592A external-priority patent/JP3404760B2/ja

1992-02-19 Priority claimed from JP4031863A external-priority patent/JP3002593B2/ja

1992-02-26 Priority claimed from JP03945492A external-priority patent/JP3370349B2/ja

1992-04-14 Priority claimed from JP4094175A external-priority patent/JP3002599B2/ja

1992-04-14 Priority claimed from JP4094176A external-priority patent/JPH05287359A/ja

1992-06-12 Priority claimed from JP15345092A external-priority patent/JP3260417B2/ja

1992-12-23 Application filed by Kawasaki Steel Co filed Critical Kawasaki Steel Co

1993-06-29 Publication of BR9205155A publication Critical patent/BR9205155A/pt

Classifications

- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/10—Handling in a vacuum

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Treatment Of Steel In Its Molten State (AREA)

BR9205155A 1991-12-24 1992-12-23 Metodo de refino de um aco de alta pureza BR9205155A (pt)

Applications Claiming Priority (7)

Application Number	Priority Date	Filing Date	Title
JP3340674A JPH05171253A (ja)	1991-12-24	1991-12-24	溶鋼の脱硫方法
JP01906592A JP3404760B2 (ja)	1992-02-04	1992-02-04	溶鋼の脱硫方法
JP4031863A JP3002593B2 (ja)	1992-02-19	1992-02-19	極低炭素鋼の溶製方法
JP03945492A JP3370349B2 (ja)	1992-02-26	1992-02-26	高清浄度極低炭素鋼の溶製方法
JP4094175A JP3002599B2 (ja)	1992-04-14	1992-04-14	清浄度の高い極低炭素鋼の溶製方法
JP4094176A JPH05287359A (ja)	1992-04-14	1992-04-14	Ｒｈ真空脱ガス装置を用いる溶鋼の脱硫方法
JP15345092A JP3260417B2 (ja)	1992-06-12	1992-06-12	Ｒｈ真空脱ガス装置を用いる溶鋼の脱硫方法

Publications (1)

Publication Number	Publication Date
BR9205155A true BR9205155A (pt)	1993-06-29

Family

ID=27563854

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR9205155A BR9205155A (pt)	1991-12-24	1992-12-23	Metodo de refino de um aco de alta pureza

Country Status (7)

Country	Link
US (1)	US5304231A (pt)
EP (1)	EP0548868B1 (pt)
KR (1)	KR960009168B1 (pt)
CN (1)	CN1061381C (pt)
BR (1)	BR9205155A (pt)
CA (1)	CA2086193C (pt)
DE (1)	DE69227014T2 (pt)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5472479A (en) *	1994-01-26	1995-12-05	Ltv Steel Company, Inc.	Method of making ultra-low carbon and sulfur steel
JP3531218B2 (ja) *	1994-06-20	2004-05-24	大同特殊鋼株式会社	低炭素含クロム鋼の製造方法
EP0785284B1 (en) *	1995-08-01	2002-11-13	Nippon Steel Corporation	Process for vacuum refining of molten steel
CN1066774C (zh) *	1995-08-28	2001-06-06	新日本制铁株式会社	真空精炼钢水的方法及其所用的设备
JP3668081B2 (ja) *	1998-12-25	2005-07-06	株式会社神戸製鋼所	アルミニウム合金溶湯の精錬方法およびアルミニウム合金溶湯精錬用フラックス
DE10196303B3 (de) *	2000-06-05	2014-11-13	Sanyo Special Steel Co., Ltd.	Verfahren zur Herstellung eines hochreinen Stahls
GB2410252B (en) *	2000-06-05	2005-09-07	Sanyo Special Steel Co Ltd	High-cleanliness steel and process for producing the same
JP2001342512A (ja) *	2000-06-05	2001-12-14	Sanyo Special Steel Co Ltd	高清浄度鋼及びその製造方法
GB2406580B (en) *	2000-06-05	2005-09-07	Sanyo Special Steel Co Ltd	High-cleanliness steel and process for producing the same
KR100887132B1 (ko) *	2002-08-20	2009-03-04	주식회사 포스코	전로출강방법
EP1428894A1 (de) *	2002-12-13	2004-06-16	SMS Mevac GmbH	Entgasungsverfahren von Flüssigstahl
JP5092245B2 (ja)	2006-02-09	2012-12-05	Ｊｆｅスチール株式会社	溶鋼の脱窒方法
CN100436603C (zh) *	2007-03-28	2008-11-26	北京科技大学	一种脱氧、脱硫、控制钢中非金属夹杂物的方法
CN100532615C (zh) *	2007-12-18	2009-08-26	本钢板材股份有限公司	一种车轮钢的冶炼方法
US8105415B2 (en) *	2008-08-04	2012-01-31	Nucor Corporation	Low cost making of a low carbon, low sulfur, and low nitrogen steel using conventional steelmaking equipment
PL3147376T3 (pl) *	2008-08-04	2019-03-29	Nucor Corporation	Niskokosztowe wytwarzanie stali o niskiej zawartości węgla, niskiej zawartości siarki i niskiej zawartości azotu przy użyciu konwencjonalnego wyposażenia stalowniczego
UA104595C2 (uk) *	2008-08-04	2014-02-25	Ньюкор Корпорейшн	Спосіб виробництва низьковуглецевої низькосірчистої низькоазотистої сталі з використанням звичайного сталеплавильного обладнання
CN101736129B (zh) *	2010-01-05	2011-08-24	武汉钢铁(集团)公司	一种去除钢液中全氧的方法
US8523977B2 (en) *	2011-01-14	2013-09-03	Nucor Corporation	Method of desulfurizing steel
CN104070144A (zh) *	2014-07-10	2014-10-01	马钢(集团)控股有限公司	一种减少钢包下渣的方法及其加料装置
JP6354472B2 (ja) *	2014-09-05	2018-07-11	新日鐵住金株式会社	溶鋼の脱硫処理方法
JP6281708B2 (ja) *	2015-03-26	2018-02-21	Ｊｆｅスチール株式会社	溶鋼の脱硫方法
CN107287386A (zh) *	2016-03-31	2017-10-24	鞍钢股份有限公司	一种rh生产洁净钢的方法
CN106011381B (zh) *	2016-07-22	2018-04-24	唐山正丰钢铁有限公司	一种钢水炉外脱磷生产工艺
CN108220532A (zh) *	2016-12-13	2018-06-29	鞍钢股份有限公司	一种提高钢水洁净度的二次精炼方法
CN108611465A (zh) *	2016-12-13	2018-10-02	鞍钢股份有限公司	一种提高rh脱碳速率的钢水精炼方法
CN106995868B (zh) *	2017-05-27	2018-11-27	马鞍山华盛冶金科技发展有限公司	一种采用钢液净化剂精炼钢液的方法
CN109270239A (zh) *	2017-07-13	2019-01-25	鞍钢股份有限公司	一种熔渣吸收夹杂物能力的评价方法
US11047015B2 (en)	2017-08-24	2021-06-29	Nucor Corporation	Manufacture of low carbon steel
CN110079724B (zh) *	2019-06-12	2020-06-02	中天钢铁集团有限公司	一种超低氧中低碳钢冶炼方法
DE102020209299A1 (de)	2020-07-23	2022-01-27	Sms Group Gmbh	Verfahren zum Herstellen von Stahlband
CN117965840B (zh) *	2024-03-29	2024-06-04	江苏省沙钢钢铁研究院有限公司	低温钢的转炉控磷冶炼方法及高质量低温钢的生产方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5392320A (en) *	1977-01-25	1978-08-14	Nippon Steel Corp	Slag making and refining method in vacuum degassing apparatus
JPS589914A (ja) *	1981-06-30	1983-01-20	Sumitomo Metal Ind Ltd	鋼の精錬方法
US4426224A (en) *	1981-12-25	1984-01-17	Sumitomo Kinzoku Kogyo Kabushiki Gaisha	Lance for powder top-blow refining and process for decarburizing and refining steel by using the lance
JPS63114918A (ja) *	1986-10-31	1988-05-19	Sumitomo Metal Ind Ltd	低硫清浄鋼の製造方法
JPH01301814A (ja) *	1988-05-30	1989-12-06	Kawasaki Steel Corp	高清浄度鋼の精練方法
JP2575827B2 (ja) *	1988-07-18	1997-01-29	川崎製鉄株式会社	清浄度に優れた連続鋳造用極低炭素鋼の製造方法
JPH0699737B2 (ja) *	1989-02-01	1994-12-07	株式会社メタル・リサーチ・コーポレーション	清浄鋼の製造方法
US5221326A (en) *	1990-05-17	1993-06-22	Kawasaki Steel Corporation	Method of producing ultra-low-carbon steel
US5152831A (en) *	1991-06-27	1992-10-06	Kawasaki Steel Corporation	Method of producing ultra-low-carbon steel

1992
- 1992-12-18 US US07/993,388 patent/US5304231A/en not_active Expired - Lifetime
- 1992-12-21 EP EP92121682A patent/EP0548868B1/en not_active Expired - Lifetime
- 1992-12-21 DE DE69227014T patent/DE69227014T2/de not_active Expired - Lifetime
- 1992-12-23 BR BR9205155A patent/BR9205155A/pt not_active IP Right Cessation
- 1992-12-23 KR KR1019920025275A patent/KR960009168B1/ko not_active IP Right Cessation
- 1992-12-23 CA CA002086193A patent/CA2086193C/en not_active Expired - Lifetime
- 1992-12-24 CN CN92115273A patent/CN1061381C/zh not_active Expired - Lifetime

Also Published As

Publication number	Publication date
CN1074712A (zh)	1993-07-28
US5304231A (en)	1994-04-19
EP0548868A2 (en)	1993-06-30
KR960009168B1 (ko)	1996-07-16
EP0548868A3 (en)	1994-09-07
CA2086193A1 (en)	1993-06-25
CN1061381C (zh)	2001-01-31
DE69227014D1 (de)	1998-10-22
KR930013155A (ko)	1993-07-21
CA2086193C (en)	1998-02-24
EP0548868B1 (en)	1998-09-16
DE69227014T2 (de)	1999-02-18

Publication	Publication Date	Title
BR9205155A (pt)	1993-06-29	Metodo de refino de um aco de alta pureza
US5596656B1 (en)	2000-04-25	Unistrokes for computerized interpretation of handwriting
FI951593L (fi)	1995-04-04	Uusi menetelmä bakkatiini-III:n ja 10-desasetyylibakkatiini-III:n esteröimiseksi
BR9203104A (pt)	1993-03-30	Processo de conformar um membro de metal
AU6893094A (en)	1994-11-24	Method of diagnosing or predictimg susceptibility to rheumatoid arthritis
EP0153197A3 (en)	1989-11-29	A method of operating a display system
EP0186106A3 (en)	1988-01-27	Process for the production of deuterated methyl acrylate or deuterated methyl methacrylate
BR9505379A (pt)	1997-10-28	Método de produção de metal refratário ou liga de alta pureza
FI944443A (fi)	1995-03-30	Menetelmä kaasun syöttämiseksi nesteeseen
EP0512959A3 (en)	1993-05-12	Process of recovering platinum group metal
DK39592D0 (da)	1992-03-25	Method of detecting microorganisms
EP0464211A4 (en)	1993-02-24	Method of detecting collision using observer
FR2633765B1 (fr)	1991-09-06	Ecran fluorescent a micropointes ayant un nombre reduit de circuits d'adressage et procede d'adressage de cet ecran
FI981585L (fi)	1998-07-10	Interleukiini-4:n käyttöjä - ja menetelmä sen puhdistamiseksi
GB8901675D0 (en)	1989-03-15	Inhibitor of gene expression
PL286613A1 (en)	1991-05-06	Method of obraining novel aminopropanel derivatives
EP0434456A3 (en)	1992-03-18	A method for derivation of interval velocities from post-migration parts
IL95200A0 (en)	1991-06-10	Method of resolving cis-3-amino-4-(2-(2-furyl)-eth-1-yl)-1-methoxycarbonylmethyl-azetidin-2-one
FR2644474B1 (fr)	1994-07-29	Procede de purification d'enzymes
HU893789D0 (en)	1991-12-30	Process for the refining of metal structure
FR2575559B1 (fr)	1993-11-05	Procede d'affichage
KR900013441A (ko)	1990-09-05	다계조 표시체의 제어방법
ZA897011B (en)	1990-06-27	A construction of sign
FR2646523B1 (fr)	1993-08-13	Procede d'harmonisation des axes de detecteurs opto-electroniques
PL302364A1 (en)	1994-09-05	Method of carrying on hydrocarboxylation of lactones

Legal Events

Date	Code	Title	Description
1999-07-06	FF	Decision: intention to grant
2000-03-08	FG9A	Patent or certificate of addition granted
2013-07-02	B21A	Patent or certificate of addition expired [chapter 21.1 patent gazette]	Free format text: PATENTE EXTINTA EM 23/12/2012