ZA807331B - Method of decarburizing molten metal - Google Patents

Method of decarburizing molten metal

Info

Publication number
ZA807331B
ZA807331B ZA00807331A ZA807331A ZA807331B ZA 807331 B ZA807331 B ZA 807331B ZA 00807331 A ZA00807331 A ZA 00807331A ZA 807331 A ZA807331 A ZA 807331A ZA 807331 B ZA807331 B ZA 807331B
Authority
ZA
South Africa
Prior art keywords
molten metal
inert gas
oxygen
gaseous mixture
remainder
Prior art date
Application number
ZA00807331A
Other languages
English (en)
Inventor
Richard P Simmons
Original Assignee
Allegheny Ludlum Steel
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22290722&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA807331(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Allegheny Ludlum Steel filed Critical Allegheny Ludlum Steel
Publication of ZA807331B publication Critical patent/ZA807331B/xx

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
    • 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
    • C21C5/34—Blowing through the bath
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Heat Treatment Of Articles (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
ZA00807331A 1979-12-12 1980-11-24 Method of decarburizing molten metal ZA807331B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/102,607 US4260415A (en) 1979-12-12 1979-12-12 Decarburizing molten metal

Publications (1)

Publication Number Publication Date
ZA807331B true ZA807331B (en) 1982-02-24

Family

ID=22290722

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00807331A ZA807331B (en) 1979-12-12 1980-11-24 Method of decarburizing molten metal

Country Status (10)

Country Link
US (1) US4260415A (xx)
EP (1) EP0030818B1 (xx)
JP (1) JPS5693835A (xx)
KR (1) KR850000874B1 (xx)
AT (1) ATE14750T1 (xx)
CA (1) CA1152336A (xx)
DE (1) DE3070959D1 (xx)
ES (1) ES8301505A1 (xx)
NO (1) NO155938C (xx)
ZA (1) ZA807331B (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6063307A (ja) * 1983-09-14 1985-04-11 Kawasaki Steel Corp 極低炭素鋼の転炉製鋼法
FR2560891B1 (fr) * 1984-03-09 1989-10-20 Air Liquide Procede d'affinage de la fonte
US4529443A (en) * 1984-04-26 1985-07-16 Allegheny Ludlum Steel Corporation System and method for producing steel in a top-blown vessel
US4514220A (en) * 1984-04-26 1985-04-30 Allegheny Ludlum Steel Corporation Method for producing steel in a top-blown vessel
US4615730A (en) * 1985-04-30 1986-10-07 Allegheny Ludlum Steel Corporation Method for refining molten metal bath to control nitrogen
DE10164765A1 (de) * 2001-07-20 2004-06-03 Wieland Electric Gmbh Klemmfeder
CN100439538C (zh) * 2007-02-15 2008-12-03 刘巍 低微碳锰铁合金的生产工艺

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE941487C (de) * 1941-12-13 1956-04-12 Hoerder Huettenunion Ag Herstellung eines stickstoff- und phosphorarmen Thomasstahls
US3252790A (en) * 1956-06-27 1966-05-24 Union Carbide Corp Preparation of metals and alloys
BE610265A (xx) * 1960-11-18
US3594155A (en) * 1968-10-30 1971-07-20 Allegheny Ludlum Steel Method for dynamically controlling decarburization of steel
US3832160A (en) * 1969-09-30 1974-08-27 Allegheny Ludlum Ind Inc Decarburizing molten steel
US3850617A (en) * 1970-04-14 1974-11-26 J Umowski Refining of stainless steel
US3741557A (en) * 1970-08-13 1973-06-26 Allegheny Ludlum Steel Apparatus for control of carbon content in steel produced in basic oxygen furnace process
BE789083A (fr) * 1971-10-06 1973-01-15 Uddeholms Ab Procede de reduction de la teneur de carbone dans des produits metallurgiques
US3798025A (en) * 1971-12-29 1974-03-19 Allegheny Ludlum Ind Inc Vacuum decarburization in rh and dh type degassing systems
US3754894A (en) * 1972-04-20 1973-08-28 Joslyn Mfg & Supply Co Nitrogen control in argon oxygen refining of molten metal
US3861888A (en) * 1973-06-28 1975-01-21 Union Carbide Corp Use of CO{HD 2 {B in argon-oxygen refining of molten metal
US3930843A (en) * 1974-08-30 1976-01-06 United States Steel Corporation Method for increasing metallic yield in bottom blown processes
FR2364975A1 (fr) * 1976-09-20 1978-04-14 Siderurgie Fse Inst Rech Procede d'elaboration, au convertisseur, d'acier inoxydable
US4139368A (en) * 1977-10-11 1979-02-13 Pennsylvania Engineering Corporation Metallurgical method

Also Published As

Publication number Publication date
EP0030818B1 (en) 1985-08-07
NO155938C (no) 1987-06-24
DE3070959D1 (en) 1985-09-12
ES497629A0 (es) 1982-12-01
EP0030818A2 (en) 1981-06-24
KR850000874B1 (ko) 1985-06-22
ES8301505A1 (es) 1982-12-01
EP0030818A3 (en) 1981-12-30
NO803739L (no) 1981-06-15
US4260415A (en) 1981-04-07
KR830004436A (ko) 1983-07-13
JPS5693835A (en) 1981-07-29
NO155938B (no) 1987-03-16
CA1152336A (en) 1983-08-23
ATE14750T1 (de) 1985-08-15
JPS6325049B2 (xx) 1988-05-24

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