ES552740A0 - Un metodo para refinar un bano de metal fundido. - Google Patents

Un metodo para refinar un bano de metal fundido.

Info

Publication number
ES552740A0
ES552740A0 ES552740A ES552740A ES552740A0 ES 552740 A0 ES552740 A0 ES 552740A0 ES 552740 A ES552740 A ES 552740A ES 552740 A ES552740 A ES 552740A ES 552740 A0 ES552740 A0 ES 552740A0
Authority
ES
Spain
Prior art keywords
refine
metal bath
cast metal
cast
bath
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.)
Granted
Application number
ES552740A
Other languages
English (en)
Other versions
ES8800729A1 (es
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 Steel Corp
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 Steel Corp filed Critical Allegheny Ludlum Steel Corp
Publication of ES552740A0 publication Critical patent/ES552740A0/es
Publication of ES8800729A1 publication Critical patent/ES8800729A1/es
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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
ES552740A 1985-04-30 1986-03-06 Un metodo para refinar un bano de metal fundido. Expired ES8800729A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/729,002 US4615730A (en) 1985-04-30 1985-04-30 Method for refining molten metal bath to control nitrogen

Publications (2)

Publication Number Publication Date
ES552740A0 true ES552740A0 (es) 1987-12-01
ES8800729A1 ES8800729A1 (es) 1987-12-01

Family

ID=24929169

Family Applications (1)

Application Number Title Priority Date Filing Date
ES552740A Expired ES8800729A1 (es) 1985-04-30 1986-03-06 Un metodo para refinar un bano de metal fundido.

Country Status (6)

Country Link
US (1) US4615730A (es)
EP (1) EP0203695A1 (es)
JP (1) JPS61253312A (es)
KR (1) KR860008290A (es)
CA (1) CA1243490A (es)
ES (1) ES8800729A1 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2850407B2 (ja) * 1989-04-18 1999-01-27 大同特殊鋼株式会社 含クロム溶鋼の精錬法
US5417739A (en) * 1993-12-30 1995-05-23 Ltv Steel Company, Inc. Method of making high nitrogen content steel
KR0179394B1 (ko) * 1994-06-06 1999-02-18 도자끼 시노부 함Cr용강의 탈탄 정련방법
US5865876A (en) * 1995-06-07 1999-02-02 Ltv Steel Company, Inc. Multipurpose lance
US5830259A (en) * 1996-06-25 1998-11-03 Ltv Steel Company, Inc. Preventing skull accumulation on a steelmaking lance
US5897684A (en) * 1997-04-17 1999-04-27 Ltv Steel Company, Inc. Basic oxygen process with iron oxide pellet addition
US5885323A (en) * 1997-04-25 1999-03-23 Ltv Steel Company, Inc. Foamy slag process using multi-circuit lance
JP5003409B2 (ja) * 2007-10-24 2012-08-15 住友金属工業株式会社 高窒素鋼の溶製方法
JP5329937B2 (ja) * 2008-12-16 2013-10-30 Ｊｆｅ条鋼株式会社 面粗さに優れた表面疵の少ない低炭素硫黄快削鋼

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US16082A (en) * 1856-11-11 Improvement in the manufacture of iron and steel
US29584A (en) * 1860-08-14 Bardwell a
US3307937A (en) * 1964-04-28 1967-03-07 Nyby Bruk Ab Method when degassing carboncontaining metal melts
DE1281465B (de) * 1965-03-19 1969-05-29 Nyby Bruk Ab Verfahren zur Entfernung unerwuenschter Begleitelemente aus Metallen und Legierungen
US3867134A (en) * 1972-06-29 1975-02-18 Allegheny Ludlum Ind Inc Method for producing stainless steel in a basic oxygen furnace
US3891429A (en) * 1973-06-07 1975-06-24 Koppers Co Inc Method for selective decarburization of alloy steels
US3861888A (en) 1973-06-28 1975-01-21 Union Carbide Corp Use of CO{HD 2 {B in argon-oxygen refining of molten metal
US4260415A (en) * 1979-12-12 1981-04-07 Allegheny Ludlum Steel Corporation Decarburizing molten metal
US4514220A (en) * 1984-04-26 1985-04-30 Allegheny Ludlum Steel Corporation Method for producing steel in a top-blown vessel

Also Published As

Publication number Publication date
KR860008290A (ko) 1986-11-14
EP0203695A1 (en) 1986-12-03
JPS61253312A (ja) 1986-11-11
CA1243490A (en) 1988-10-25
US4615730A (en) 1986-10-07
ES8800729A1 (es) 1987-12-01

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970303