EP0226912A3 - Procédé de fabrication d'acier de haute qualité - Google Patents

Procédé de fabrication d'acier de haute qualité Download PDF

Info

Publication number: EP0226912A3
Authority: EP; European Patent Office
Prior art keywords: melt; oxygen; content; quality steel; making high
Prior art date: 1985-12-23
Legal status (The legal status 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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP86116948A

Other languages

German (de)

English (en)

Other versions

EP0226912A2 (fr

Inventor

François Schleimer

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Arcelor Luxembourg SA

Original Assignee

Arbed SA

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.)

1985-12-23

Filing date

1986-12-05

Publication date

1989-04-26

1986-12-05 Application filed by Arbed SA filed Critical Arbed SA

1987-07-01 Publication of EP0226912A2 publication Critical patent/EP0226912A2/fr

1989-04-26 Publication of EP0226912A3 publication Critical patent/EP0226912A3/fr

Status Withdrawn legal-status Critical Current

Links

229910000831 Steel Inorganic materials 0.000 title abstract 2
238000004519 manufacturing process Methods 0.000 title abstract 2
239000010959 steel Substances 0.000 title abstract 2
229910052799 carbon Inorganic materials 0.000 abstract 5
239000000155 melt Substances 0.000 abstract 5
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 3
229910052760 oxygen Inorganic materials 0.000 abstract 3
239000001301 oxygen Substances 0.000 abstract 3
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 2
238000000034 method Methods 0.000 abstract 2
238000007664 blowing Methods 0.000 abstract 1
239000003245 coal Substances 0.000 abstract 1
238000005261 decarburization Methods 0.000 abstract 1
150000002926 oxygen Chemical class 0.000 abstract 1
239000002893 slag Substances 0.000 abstract 1

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
- C21C5/28—Manufacture of steel in the converter
- C21C5/30—Regulating or controlling the blowing
- C21C5/32—Blowing from above

Landscapes

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

EP86116948A 1985-12-23 1986-12-05 Procédé de fabrication d'acier de haute qualité Withdrawn EP0226912A3 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
LU86225A LU86225A1 (de)	1985-12-23	1985-12-23	Verfahren zum herstellen von hochwertigem stahl
LU86225		1985-12-23

Publications (2)

Publication Number	Publication Date
EP0226912A2 EP0226912A2 (fr)	1987-07-01
EP0226912A3 true EP0226912A3 (fr)	1989-04-26

Family

ID=19730608

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP86116948A Withdrawn EP0226912A3 (fr)	1985-12-23	1986-12-05	Procédé de fabrication d'acier de haute qualité

Country Status (6)

Country	Link
EP (1)	EP0226912A3 (fr)
JP (1)	JPS62158811A (fr)
AU (1)	AU590801B2 (fr)
BR (1)	BR8605894A (fr)
CA (1)	CA1288954C (fr)
LU (1)	LU86225A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102019215678A1 (de) *	2019-10-11	2021-04-15	Sms Group Gmbh	Verfahren zum Entphosphern einer Stahlschmelze während des Frischprozesses

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3702243A (en) *	1969-04-15	1972-11-07	Nat Steel Corp	Method of preparing deoxidized steel
LU84168A1 (de) *	1982-05-25	1984-03-07	Arbed	Verfahren zum aufkohlen von metallschmelzen
EP0165198A2 (fr) *	1984-05-15	1985-12-18	Arbed S.A.	Dispositif d'adaptation pour tuyère d'accélération de particules solides

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU6823981A (en) *	1980-03-21	1981-10-15	Nippon Steel Corporation	Multi-stage steel making

1985
- 1985-12-23 LU LU86225A patent/LU86225A1/de unknown
1986
- 1986-10-23 AU AU64325/86A patent/AU590801B2/en not_active Ceased
- 1986-11-05 CA CA000522224A patent/CA1288954C/fr not_active Expired - Lifetime
- 1986-12-02 BR BR8605894A patent/BR8605894A/pt unknown
- 1986-12-05 EP EP86116948A patent/EP0226912A3/fr not_active Withdrawn
- 1986-12-22 JP JP30403586A patent/JPS62158811A/ja active Pending

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3702243A (en) *	1969-04-15	1972-11-07	Nat Steel Corp	Method of preparing deoxidized steel
LU84168A1 (de) *	1982-05-25	1984-03-07	Arbed	Verfahren zum aufkohlen von metallschmelzen
EP0165198A2 (fr) *	1984-05-15	1985-12-18	Arbed S.A.	Dispositif d'adaptation pour tuyère d'accélération de particules solides

Also Published As

Publication number	Publication date
JPS62158811A (ja)	1987-07-14
EP0226912A2 (fr)	1987-07-01
AU6432586A (en)	1987-06-25
AU590801B2 (en)	1989-11-16
BR8605894A (pt)	1987-08-25
CA1288954C (fr)	1991-09-17
LU86225A1 (de)	1987-07-24

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Legal Events

Date	Code	Title	Description
1987-05-16	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1987-07-01	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): AT BE DE ES FR GB IT NL SE
1989-03-07	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1989-04-26	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): AT BE DE ES FR GB IT NL SE
1989-12-06	17P	Request for examination filed	Effective date: 19891007
1991-03-06	17Q	First examination report despatched	Effective date: 19910117
1991-06-19	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN
1991-07-17	18W	Application withdrawn	Withdrawal date: 19910518
1991-08-07	R18W	Application withdrawn (corrected)	Effective date: 19910518
2007-08-08	RIN1	Information on inventor provided before grant (corrected)	Inventor name: SCHLEIMER, FRANCOIS