FR2285460B1 - - Google Patents

Info

Publication number: FR2285460B1
Authority: FR; France
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.): Expired

Application number

FR7518090A

Other versions

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.)

Nippon Steel Corp

Original Assignee

Sumitomo Metal Industries Ltd

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.)

1974-09-20

Filing date

1975-06-10

Publication date

1979-02-16

1974-09-20 Priority claimed from JP49109339A external-priority patent/JPS5135615A/ja

1974-10-03 Priority claimed from JP11454774A external-priority patent/JPS5140316A/ja

1974-10-23 Priority claimed from JP12292774A external-priority patent/JPS5148711A/ja

1974-11-07 Priority claimed from JP12942274A external-priority patent/JPS5154022A/ja

1974-11-07 Priority claimed from JP49129421A external-priority patent/JPS582565B2/ja

1974-11-07 Priority claimed from JP12942374A external-priority patent/JPS5154023A/ja

1975-06-10 Application filed by Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd

1976-04-16 Publication of FR2285460A1 publication Critical patent/FR2285460A1/fr

1979-02-16 Application granted granted Critical

1979-02-16 Publication of FR2285460B1 publication Critical patent/FR2285460B1/fr

Status Granted legal-status Critical Current

Links

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
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/076—Use of slags or fluxes as treating agents
- 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
- C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
- 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
- C21C7/0056—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using cored wires
- 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
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/064—Dephosphorising; Desulfurising
- 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
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling

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)

FR7518090A 1974-09-20 1975-06-10 Procede d'addition de calcium a de l'acier fondu Granted FR2285460A1 (fr)

Applications Claiming Priority (6)

Application Number	Priority Date	Filing Date	Title
JP49109339A JPS5135615A (fr)	1974-09-20	1974-09-20
JP11454774A JPS5140316A (ja)	1974-10-03	1974-10-03	Teiryukarushiumushorinyoru reikankakoseitoteionjinseinosugureta kohanno seizoho
JP12292774A JPS5148711A (en)	1974-10-23	1974-10-23	Yokoheno karushiumutenkaho
JP12942274A JPS5154022A (ja)	1974-11-07	1974-11-07	Karushiumumatahakarushiumugokintenkazaino yokohenotenkahoho
JP49129421A JPS582565B2 (ja)	1974-11-07	1974-11-07	ヨウコウヘノカルシウムテンカホウ
JP12942374A JPS5154023A (ja)	1974-11-07	1974-11-07	Yokohenokarushiumutenkazai

Publications (2)

Publication Number	Publication Date
FR2285460A1 FR2285460A1 (fr)	1976-04-16
FR2285460B1 true FR2285460B1 (fr)	1979-02-16

Family

ID=27552313

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7518090A Granted FR2285460A1 (fr)	1974-09-20	1975-06-10	Procede d'addition de calcium a de l'acier fondu

Country Status (4)

Country	Link
CA (1)	CA1069314A (fr)
DE (1)	DE2525839A1 (fr)
FR (1)	FR2285460A1 (fr)
IT (1)	IT1036958B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4205981A (en) *	1979-02-28	1980-06-03	International Harvester Company	Method for ladle treatment of molten cast iron using sheathed magnesium wire
US5228902A (en) *	1992-09-03	1993-07-20	Usx Corporation	Method of desulfurization in vacuum processing of steel

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1376281A (fr) *	1963-12-04	1964-10-23	Westinghouse Electric Corp	Purification d'alliages
GB1206062A (en) *	1967-10-18	1970-09-23	Nippon Kokan Kk	Deoxidation method
SE341412B (fr) *	1969-07-15	1971-12-27	Asea Ab
BE795333A (fr) *	1972-03-01	1973-05-29	Thyssen Niederrhein Ag	Procede de desulfuration de l'acier en fusion et poche pour sa mise en oeuvre

1975
- 1975-06-09 CA CA228,889A patent/CA1069314A/fr not_active Expired
- 1975-06-10 FR FR7518090A patent/FR2285460A1/fr active Granted
- 1975-06-10 IT IT50005/75A patent/IT1036958B/it active
- 1975-06-10 DE DE19752525839 patent/DE2525839A1/de not_active Ceased

Also Published As

Publication number	Publication date
DE2525839A1 (de)	1976-04-01
IT1036958B (it)	1979-10-30
CA1069314A (fr)	1980-01-08
FR2285460A1 (fr)	1976-04-16

Publication	Publication Date	Title
FI751493A7 (fr)	1975-12-01
FI751218A7 (fr)	1975-10-26
AU495841B2 (fr)	1976-01-08
DK138034C (fr)	1978-11-20
FR2285460B1 (fr)	1979-02-16
CS173284B1 (fr)	1977-02-28
FI750727A7 (fr)	1975-09-16
FI123574A7 (fr)	1975-10-25
DE2455760A1 (fr)	1975-12-11
CS173664B1 (fr)	1977-03-31
BG20190A1 (fr)	1975-11-05
BG19996A1 (fr)	1975-10-30
DD115809A1 (fr)	1975-10-12
DD113204A1 (fr)	1975-05-20
DD117665A1 (fr)	1976-01-20
AU480663A (fr)	1976-04-29
CH603309A5 (fr)	1978-08-15
CH602619A5 (fr)	1978-07-31
CH602497A5 (fr)	1978-07-31
CH597370A5 (fr)	1978-03-31
CH585975A5 (fr)	1977-03-15
CH582824A5 (fr)	1976-12-15
CH580842A5 (fr)	1976-10-15
BG20425A1 (fr)	1975-12-05
BG19870A1 (fr)	1975-10-30