ATE263845T1 - Verfahren zur erzeugung nichtrostender stähle, insbesondere chrom- und chromnickelhaltiger edelstähle - Google Patents

Verfahren zur erzeugung nichtrostender stähle, insbesondere chrom- und chromnickelhaltiger edelstähle

Info

Publication number
ATE263845T1
ATE263845T1 AT01969784T AT01969784T ATE263845T1 AT E263845 T1 ATE263845 T1 AT E263845T1 AT 01969784 T AT01969784 T AT 01969784T AT 01969784 T AT01969784 T AT 01969784T AT E263845 T1 ATE263845 T1 AT E263845T1
Authority
AT
Austria
Prior art keywords
slag
stainless steel
air
chrome
refining process
Prior art date
Application number
AT01969784T
Other languages
English (en)
Inventor
Karl Reiner Goetzinger
Stefan Lemke
Johann Reichel
Bernt Rollinger
Original Assignee
Sms Demag Ag
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
Priority claimed from DE10115779A external-priority patent/DE10115779A1/de
Priority claimed from DE10137761A external-priority patent/DE10137761A1/de
Application filed by Sms Demag Ag filed Critical Sms Demag Ag
Application granted granted Critical
Publication of ATE263845T1 publication Critical patent/ATE263845T1/de

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04Removing impurities by adding a treating agent
    • C21C7/068Decarburising
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52Manufacture of steel in electric furnaces
    • C21C5/5264Manufacture of alloyed steels including ferro-alloys
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/005Manufacture of stainless steel
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52Manufacture of steel in electric furnaces
    • C21C5/5252Manufacture of steel in electric furnaces in an electrically heated multi-chamber furnace, a combination of electric furnaces or an electric furnace arranged for associated working with a non electric furnace
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04Removing impurities by adding a treating agent
    • C21C7/068Decarburising
    • C21C7/0685Decarburising of stainless steel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Laminated Bodies (AREA)
AT01969784T 2000-10-18 2001-09-27 Verfahren zur erzeugung nichtrostender stähle, insbesondere chrom- und chromnickelhaltiger edelstähle ATE263845T1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE10051803 2000-10-18
DE10115779A DE10115779A1 (de) 2000-10-18 2001-03-29 Verfahren zur Erzeugung nichtrostender Stähle, insbesondere chrom- und chromnickelhaltiger Edelstähle
DE10134880 2001-07-18
DE10137761A DE10137761A1 (de) 2001-07-18 2001-08-01 Verfahren zur Erzeugung nichtrostender Stähle, insbesondere chrom-und chromnickelhaltiger Edelstähle
PCT/EP2001/011190 WO2002033130A1 (de) 2000-10-18 2001-09-27 Verfahren zur erzeugung nichtrostender stähle, insbesondere chrom- und chromnickelhaltiger edelstähle

Publications (1)

Publication Number Publication Date
ATE263845T1 true ATE263845T1 (de) 2004-04-15

Family

ID=27437895

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01969784T ATE263845T1 (de) 2000-10-18 2001-09-27 Verfahren zur erzeugung nichtrostender stähle, insbesondere chrom- und chromnickelhaltiger edelstähle

Country Status (14)

Country Link
US (1) US7094271B2 (de)
EP (1) EP1332232B1 (de)
JP (1) JP2004511659A (de)
KR (1) KR100819126B1 (de)
CN (1) CN1222629C (de)
AT (1) ATE263845T1 (de)
BR (1) BR0114773B1 (de)
CZ (1) CZ299403B6 (de)
DE (1) DE50101945D1 (de)
ES (1) ES2218450T3 (de)
MX (1) MXPA03003402A (de)
PL (1) PL196203B1 (de)
TW (1) TW554046B (de)
WO (1) WO2002033130A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10323507A1 (de) * 2003-05-24 2004-12-09 Sms Demag Ag Verfahren zur Rückgewinnung von metallischen Elementen, insbesondere metallischem Chrom, aus metalloxidhaltigen Schlacken im Elektrolichtbogenofen
KR100793591B1 (ko) * 2006-12-28 2008-01-14 주식회사 포스코 산화크롬 함유 슬래그로부터의 크롬 금속 환원 방법
WO2010015020A1 (en) 2008-08-04 2010-02-11 Bluescope Steel Limited Low cost making of a low carbon, low sulfur, and low nitrogen steel using conventional steelmaking equipment
WO2011045755A1 (en) * 2009-10-13 2011-04-21 Petrus Hendrik Ferreira Bouwer Ferrochrome alloy production
CN101914715B (zh) * 2010-08-31 2012-06-06 振石集团东方特钢股份有限公司 一种冶炼不锈钢母液的方法
US9551045B2 (en) * 2011-05-27 2017-01-24 A. Finkl & Sons Co. Flexible minimum energy utilization electric arc furnace system and processes for making steel products
CN106435398B (zh) * 2016-10-15 2017-12-29 睿智钢业有限公司 耐腐蚀焊接结构钢及其制备方法
CN107504828A (zh) * 2017-07-25 2017-12-22 攀钢集团研究院有限公司 钒铁冶炼炉
CN115558816B (zh) * 2022-09-01 2023-09-19 广东广青金属科技有限公司 一种利用矿热炉烟气与炉渣显热的镍铬合金的冶炼方法与系统
CN118621087A (zh) * 2024-08-09 2024-09-10 金鼎重工有限公司 一种铸钢母液精炼装置及精炼方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2430131A (en) * 1944-11-04 1947-11-04 American Rolling Mill Co Production of stainless steel
US5417740A (en) * 1992-05-26 1995-05-23 Zaptech Corporation Method for producing steel
AT403293B (de) * 1995-01-16 1997-12-29 Kct Tech Gmbh Verfahren und anlage zum herstellen von legierten stählen
DE19621143A1 (de) * 1996-01-31 1997-08-07 Mannesmann Ag Verfahren zur Erzeugung nichtrostender Stähle
DE19728102C2 (de) * 1997-07-02 1999-08-05 Schloemann Siemag Ag Verfahren und Vorrichtung zur Herstellung von Stählen mit hohem Cr-Gehalt und/oder Ferrolegierungen
AU6554700A (en) * 1999-06-23 2001-01-09 Sms Demag Aktiengesellschaft Method for recovering metallic chromium from slag containing chromium oxide

Also Published As

Publication number Publication date
US20040099091A1 (en) 2004-05-27
DE50101945D1 (de) 2004-05-13
KR20030040541A (ko) 2003-05-22
EP1332232B1 (de) 2004-04-07
JP2004511659A (ja) 2004-04-15
TW554046B (en) 2003-09-21
BR0114773B1 (pt) 2010-03-09
BR0114773A (pt) 2003-10-07
CN1469933A (zh) 2004-01-21
EP1332232A1 (de) 2003-08-06
CN1222629C (zh) 2005-10-12
ES2218450T3 (es) 2004-11-16
KR100819126B1 (ko) 2008-04-02
MXPA03003402A (es) 2004-05-04
PL360842A1 (en) 2004-09-20
US7094271B2 (en) 2006-08-22
WO2002033130A1 (de) 2002-04-25
CZ299403B6 (cs) 2008-07-16
PL196203B1 (pl) 2007-12-31
CZ20031111A3 (cs) 2003-10-15

Similar Documents

Publication Publication Date Title
CN1064999C (zh) 在并行操作的容器中生产不锈钢的方法
CA2586789A1 (en) Production of stainless steel of aisi 4xx grade ferritic steel in an aod converter
ATE263845T1 (de) Verfahren zur erzeugung nichtrostender stähle, insbesondere chrom- und chromnickelhaltiger edelstähle
RU2002101484A (ru) Способ регенерации металлического хрома из содержащих окись хрома шлаков
JP2009167463A (ja) Mn含有極低炭素鋼の溶製方法
CN102321783A (zh) 一种实验用感应炉的炼钢方法
JP2007308773A (ja) 転炉製鋼法
FI76381B (fi) Foerfarande foer framstaellning av staol med laog kolhalt.
JP2008274387A (ja) 含Cr低合金鋼の溶製方法
CN109554515A (zh) 一种顶吹转炉冶炼不锈钢方法
JP2000109924A (ja) 極低硫鋼の溶製方法
CN105483312B (zh) 一种不锈钢不还原留渣的方法
JPH06108137A (ja) 低硫鋼の溶製方法
RU2228967C2 (ru) Способ производства титаносодержащей лигатуры
JP2003155515A (ja) 高Cr溶鋼の製造方法
JPS61147805A (ja) ステンレス溶製に使用する溶銑の処理方法
KR19980047211A (ko) 전기로 슬래그중의 크롬회수방법
JPS62139807A (ja) 高純度ステンレス鋼の製造方法
JPH08165507A (ja) 高クロム鋼精錬炉のスラグコーティング方法
JPH11343514A (ja) 底吹転炉を用いた高炭素溶鋼の溶製方法
JP3173325B2 (ja) ステンレス鋼の製造方法
JPS61207547A (ja) クロム鉱石の溶融還元製鋼法
JPS6479316A (en) Method for refining low p, s molten steel
JP2004143493A (ja) 含クロム溶鋼の製造方法
JPH07150212A (ja) Siトレース溶銑の転炉精錬方法