IT8219832A0 - Processo per affinazione di acciai ad elevato tenore di cromo. - Google Patents

Processo per affinazione di acciai ad elevato tenore di cromo.

Info

Publication number: IT8219832A0
Authority: IT; Italy
Prior art keywords: chromium content; high chromium; refining steel; refining; steel
Prior art date: 1981-03-03

Application number

IT8219832A

Other languages

English (en)

Other versions

IT1149679B (it

Inventor

Seiichi Masuda

Yoichi Umeda

Tohru Matsuo

Masayuki Taga

Hidemasa Nakajima

Original Assignee

Sumitomo Metal Ind

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.)

1981-03-03

Filing date

1982-02-24

Publication date

1982-02-24

1982-02-24 Application filed by Sumitomo Metal Ind filed Critical Sumitomo Metal Ind

1982-02-24 Publication of IT8219832A0 publication Critical patent/IT8219832A0/it

1986-12-03 Application granted granted Critical

1986-12-03 Publication of IT1149679B publication Critical patent/IT1149679B/it

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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/005—Manufacture of stainless steel
- 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/30—Regulating or controlling the blowing
- C21C5/35—Blowing from above and through the bath
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Manufacturing & Machinery (AREA)
Mechanical Engineering (AREA)
Carbon Steel Or Casting Steel Manufacturing (AREA)
Treatment Of Steel In Its Molten State (AREA)

IT19832/82A 1981-03-03 1982-02-24 Processo per affinazione di acciai ad elevato tenore di cromo IT1149679B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP56030775A JPS57145917A (en)	1981-03-03	1981-03-03	Refining method for high chromium steel

Publications (2)

Publication Number	Publication Date
IT8219832A0 true IT8219832A0 (it)	1982-02-24
IT1149679B IT1149679B (it)	1986-12-03

Family

ID=12313053

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT19832/82A IT1149679B (it)	1981-03-03	1982-02-24	Processo per affinazione di acciai ad elevato tenore di cromo

Country Status (15)

Country	Link
US (1)	US4474605A (it)
JP (1)	JPS57145917A (it)
AT (1)	AT383615B (it)
AU (1)	AU536668B2 (it)
BE (1)	BE892349A (it)
BR (1)	BR8201078A (it)
CA (1)	CA1177251A (it)
DE (1)	DE3204632A1 (it)
ES (1)	ES8302787A1 (it)
FR (1)	FR2501236B1 (it)
GB (1)	GB2093864B (it)
IT (1)	IT1149679B (it)
LU (1)	LU83981A1 (it)
NL (1)	NL8200748A (it)
ZA (1)	ZA82634B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4529442A (en) *	1984-04-26	1985-07-16	Allegheny Ludlum Steel Corporation	Method for producing steel in a top oxygen blown vessel
ATE107710T1 (de) *	1987-08-13	1994-07-15	Nippon Kokan Kk	Ofen und verfahren zur reduktion eines chromvorproduktes durch schmelzen.
CA1333663C (en) *	1987-09-09	1994-12-27	Haruyoshi Tanabe	Method of decarburizing high cr molten metal
DE3850394T2 (de) *	1987-09-10	1994-11-24	Nippon Kokan Kk	Verfahren zur herstellung von geschmolzenem rostfreiem stahl.
JPH01215912A (ja) *	1988-02-24	1989-08-29	Kawasaki Steel Corp	含クロム溶鉄の製造方法
DE3918155A1 (de) *	1989-06-03	1990-12-06	Messer Griesheim Gmbh	Verfahren zum entkohlen von chromhaltigen stahlschmelzen mit ueber 10% cr-gehalt
US5190577A (en) *	1990-12-11	1993-03-02	Liquid Air Corporation	Replacement of argon with carbon dioxide in a reactor containing molten metal for the purpose of refining molten metal
JP2515059B2 (ja) *	1991-06-27	1996-07-10	新日本製鐵株式会社	含クロム溶鋼の脱炭精錬法
US5328658A (en) *	1993-08-04	1994-07-12	Daido Tokushuko Kabushiki Kaisha	Method of refining chromium-containing steel
DE4328045C2 (de) *	1993-08-20	2001-02-08	Ald Vacuum Techn Ag	Verfahren zum Entkohlen von kohlenstoffhaltigen Metallschmelzen
CN100439539C (zh) *	2007-02-15	2008-12-03	刘巍	低微碳铬铁合金的生产工艺
CN102808061B (zh) *	2012-08-22	2013-11-27	秦皇岛首秦金属材料有限公司	一种转炉内采用低镍生铁冶炼含镍钢的方法
CN102827989B (zh) *	2012-09-25	2013-09-04	鞍钢股份有限公司	一种低碳高铬钢的生产方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB858404A (en) *	1956-06-27	1961-01-11	Union Carbide Corp	A method of lowering the carbon content of chromium-bearing steels
BE610265A (it) *	1960-11-18
US3850617A (en) *	1970-04-14	1974-11-26	J Umowski	Refining of stainless steel
US3816720A (en) *	1971-11-01	1974-06-11	Union Carbide Corp	Process for the decarburization of molten metal
DE2243839A1 (de) *	1972-09-07	1974-03-28	Kloeckner Werke Ag	Verfahren zur herstellung kohlenstoffarmer hochchromhaltiger ferritischer staehle
AT337736B (de) *	1973-02-12	1977-07-11	Voest Ag	Verfahren zum frischen von roheisen
US3854932A (en) *	1973-06-18	1974-12-17	Allegheny Ludlum Ind Inc	Process for production of stainless steel
FR2273873A1 (fr) *	1974-06-07	1976-01-02	British Steel Corp	Procede et installation pour produire un acier allie
DE2737832C3 (de) *	1977-08-22	1980-05-22	Fried. Krupp Huettenwerke Ag, 4630 Bochum	Verwendung von im Querschnitt veränderlichen Blasdüsen zur Herstellung von rostfreien Stählen
JPS55115914A (en) *	1979-02-28	1980-09-06	Sumitomo Metal Ind Ltd	Refining method of high chromium steel
JPS5613423A (en) *	1979-07-06	1981-02-09	Sumitomo Metal Ind Ltd	Refining method for steel

1981
- 1981-03-03 JP JP56030775A patent/JPS57145917A/ja active Granted
1982
- 1982-01-29 AU AU79983/82A patent/AU536668B2/en not_active Ceased
- 1982-02-01 ZA ZA82634A patent/ZA82634B/xx unknown
- 1982-02-02 CA CA000395400A patent/CA1177251A/en not_active Expired
- 1982-02-03 US US06/345,389 patent/US4474605A/en not_active Expired - Lifetime
- 1982-02-10 DE DE19823204632 patent/DE3204632A1/de active Granted
- 1982-02-24 NL NL8200748A patent/NL8200748A/nl not_active Application Discontinuation
- 1982-02-24 IT IT19832/82A patent/IT1149679B/it active
- 1982-02-25 GB GB8205032A patent/GB2093864B/en not_active Expired
- 1982-03-01 FR FR8203332A patent/FR2501236B1/fr not_active Expired
- 1982-03-02 BR BR8201078A patent/BR8201078A/pt not_active IP Right Cessation
- 1982-03-02 LU LU83981A patent/LU83981A1/fr unknown
- 1982-03-02 ES ES510070A patent/ES8302787A1/es not_active Expired
- 1982-03-03 AT AT0081782A patent/AT383615B/de not_active IP Right Cessation
- 1982-03-03 BE BE0/207460A patent/BE892349A/fr not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE3204632A1 (de)	1982-09-16
FR2501236A1 (fr)	1982-09-10
US4474605A (en)	1984-10-02
ES510070A0 (es)	1983-01-16
FR2501236B1 (fr)	1986-04-11
JPS57145917A (en)	1982-09-09
ATA81782A (de)	1986-12-15
BR8201078A (pt)	1983-01-11
JPS6150122B2 (it)	1986-11-01
GB2093864A (en)	1982-09-08
ZA82634B (en)	1982-12-29
IT1149679B (it)	1986-12-03
AU536668B2 (en)	1984-05-17
GB2093864B (en)	1986-01-15
AT383615B (de)	1987-07-27
NL8200748A (nl)	1982-10-01
DE3204632C2 (it)	1988-04-14
ES8302787A1 (es)	1983-01-16
BE892349A (fr)	1982-07-01
LU83981A1 (fr)	1982-07-08
AU7998382A (en)	1982-09-09
CA1177251A (en)	1984-11-06

Publication	Publication Date	Title
DE3586553D1 (de)	1992-10-01	Bildverarbeitungsverfahren.
IT8219832A0 (it)	1982-02-24	Processo per affinazione di acciai ad elevato tenore di cromo.
FR2570715B1 (fr)	1989-04-21	Procede pour effectuer une reaction enzymatique ou microbienne
OA06823A (fr)	1982-12-31	Procédé d'élaboration d'acier inoxydable.
NO158686C (no)	1988-10-19	Apparatur for raffinering av smeltet metall.
IT8420259A0 (it)	1984-03-28	Processo per la produzione di tubidi acciaio senza saldatura.
IT8120816A0 (it)	1981-03-30	Processo per la colata in continuodi acciaio.
IT7921092A0 (it)	1979-03-16	Processo per la determinazione di alfa-amilasi.
IT8222443A0 (it)	1982-07-16	Processo per la produzione di idrocarburi.
BR8201057A (pt)	1983-01-11	Processo de forjamento de precisao
ES540742A0 (es)	1986-09-16	Procedimiento de produccion de aditivos para liquidos metalurgicos.
BR8102978A (pt)	1982-02-02	Processo para procucao de perfis refratarios ligados com nitreto e perfil assim obtido
BR8200696A (pt)	1983-10-11	Processo para refinacao de um metal
IT8420946A0 (it)	1984-05-16	Montatura metallica per occhiali.
BR8107821A (pt)	1982-09-08	Processo de producao de 2,3-diidro-1,4-ditiinas
IT8223435A0 (it)	1982-09-24	Processo per la produzione di idrocarburi.
BE864789A (fr)	1978-07-03	Procede d'affinage de l'acier
IT8026275A0 (it)	1980-11-27	Processo di risoluzione della sulpiride racema.
BR8504128A (pt)	1986-06-17	Processo de purificacao de metal refratario
IT8125796A0 (it)	1981-12-22	Ossidativa. processo di deidrogenazione non
IT8322245A0 (it)	1983-07-26	Processo per la inertizzazione di fanghi industriali ad elevato contenuto di metalli.
IT8020314A0 (it)	1980-02-29	Processo per la purificazione di glicosaminoglicani.
DE3587612D1 (de)	1993-11-11	Suchverfahren für Assoziationsmatrix.
IT8122012A0 (it)	1981-05-28	Processo per la purificazione diprodotti di reazione.
IT8341636A0 (it)	1983-11-07	Procedimento perfezionato per laproduzione di acciaio.

Legal Events

Date	Code	Title	Description
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19970227