DE2042811C3 - Verfahren zum Frischen von Stahl - Google Patents

Verfahren zum Frischen von Stahl

Info

Publication number
DE2042811C3
DE2042811C3 DE2042811A DE2042811A DE2042811C3 DE 2042811 C3 DE2042811 C3 DE 2042811C3 DE 2042811 A DE2042811 A DE 2042811A DE 2042811 A DE2042811 A DE 2042811A DE 2042811 C3 DE2042811 C3 DE 2042811C3
Authority
DE
Germany
Prior art keywords
oxygen
gas
fresh
carbon monoxide
carbon
Prior art date
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
DE2042811A
Other languages
German (de)
English (en)
Other versions
DE2042811A1 (de
DE2042811B2 (de
Inventor
James Calvin Fulton
Sundaresan Remachandran
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.)
Allegheny Ludlum Steel Corp
Original Assignee
Allegheny Ludlum Industries Inc
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
Application filed by Allegheny Ludlum Industries Inc filed Critical Allegheny Ludlum Industries Inc
Publication of DE2042811A1 publication Critical patent/DE2042811A1/de
Publication of DE2042811B2 publication Critical patent/DE2042811B2/de
Application granted granted Critical
Publication of DE2042811C3 publication Critical patent/DE2042811C3/de
Expired 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
    • C21C7/068—Decarburising
    • C21C7/0685—Decarburising 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
    • 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
    • C21C7/068—Decarburising
    • 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
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2

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)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
DE2042811A 1969-08-29 1970-08-28 Verfahren zum Frischen von Stahl Expired DE2042811C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85422669A 1969-08-29 1969-08-29

Publications (3)

Publication Number Publication Date
DE2042811A1 DE2042811A1 (de) 1971-03-11
DE2042811B2 DE2042811B2 (de) 1980-04-03
DE2042811C3 true DE2042811C3 (de) 1980-11-27

Family

ID=25318089

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2042811A Expired DE2042811C3 (de) 1969-08-29 1970-08-28 Verfahren zum Frischen von Stahl

Country Status (6)

Country Link
US (1) US3649246A (fr)
JP (1) JPS499007B1 (fr)
BE (1) BE755456A (fr)
DE (1) DE2042811C3 (fr)
FR (1) FR2059745B1 (fr)
GB (1) GB1308212A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3861888A (en) * 1973-06-28 1975-01-21 Union Carbide Corp Use of CO{HD 2 {B in argon-oxygen refining of molten metal
LU70847A1 (fr) * 1973-09-25 1975-01-02
US4081270A (en) * 1977-04-11 1978-03-28 Union Carbide Corporation Renitrogenation of basic-oxygen steels during decarburization
DE2734961B2 (de) * 1977-08-03 1980-02-28 Gottfried Bischoff Bau Kompl. Gasreinigungs- Und Wasserrueckkuehlanlagen Gmbh & Co Kg, 4300 Essen Konverteranlage für das Frischen von Stahl aus Roheisen
JPS5442323A (en) * 1977-09-10 1979-04-04 Nisshin Steel Co Ltd Control procedure of steel making process using mass spectormeter
JPS5442324A (en) * 1977-09-10 1979-04-04 Nisshin Steel Co Ltd Control procedure of steel making process using mass spectrometer
LU81859A1 (fr) * 1979-11-07 1981-06-04 Arbed Procede de conditionnement de la scorie au cours de l'affinage d'un bain de metal
LU82070A1 (fr) * 1980-01-09 1981-09-10 Arbed Procede d'affinage d'un bain de metal
US4451288A (en) * 1982-06-29 1984-05-29 Union Carbide Corporation Method for producing low hydrogen content in steels produced by subsurface pneumatic refining
HU189326B (en) * 1983-08-26 1986-06-30 Lenin Kohaszati Muevek,Hu Process for production of steels with low or super-low carbon content with the regulation the end point of the carbon and blasting temperature
JPS62142712A (ja) * 1985-12-18 1987-06-26 Nippon Kokan Kk <Nkk> 転炉又は溶融還元炉における製鋼・製鉄方法
US5520718A (en) * 1994-09-02 1996-05-28 Inland Steel Company Steelmaking degassing method
US6923843B1 (en) 2001-11-13 2005-08-02 Nupro Corporation Method for oxygen injection in metallurgical process requiring variable oxygen feed rate
US9045805B2 (en) 2013-03-12 2015-06-02 Ati Properties, Inc. Alloy refining methods

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2811435A (en) * 1956-03-26 1957-10-29 British Oxygen Co Ltd Treatment of fumes in steelmaking operations
US3252790A (en) * 1956-06-27 1966-05-24 Union Carbide Corp Preparation of metals and alloys
GB883958A (en) * 1957-12-23 1961-12-06 Bot Brassert Oxygen Technik Ag Improvements in or relating to the refining of crude iron
US3058823A (en) * 1959-04-13 1962-10-16 British Oxygen Co Ltd Treatment of molten ferrous metal
US2969282A (en) * 1959-05-06 1961-01-24 British Oxygen Co Ltd Treatment of ferrous metal
US3003865A (en) * 1959-09-10 1961-10-10 Cameron Iron Works Inc Decarburizing process for alloy steels containing chromium
DE1194886B (de) * 1960-06-24 1965-06-16 Beteiligungs & Patentverw Gmbh Verfahren zum Frischen von Roheisen, insbesondere solchem mit hohem Phosphorgehalt
BE610265A (fr) * 1960-11-18
US3215523A (en) * 1963-05-27 1965-11-02 Chemical Construction Corp Recovery of off-gas from a steel converter
US3336132A (en) * 1964-03-09 1967-08-15 Crucible Steel Co America Stainless steel manufacturing process and equipment

Also Published As

Publication number Publication date
BE755456A (fr) 1971-03-01
DE2042811A1 (de) 1971-03-11
US3649246A (en) 1972-03-14
FR2059745A1 (fr) 1971-06-04
GB1308212A (en) 1973-02-21
DE2042811B2 (de) 1980-04-03
JPS499007B1 (fr) 1974-03-01
FR2059745B1 (fr) 1974-05-24

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8327 Change in the person/name/address of the patent owner

Owner name: ALLEGHENY LUDLUM STEEL CORP., PITTSBURGH, PA., US

8339 Ceased/non-payment of the annual fee