ATE10508T1 - Verfahren zur entkohlung chrom enthaltender schmelzen. - Google Patents

Verfahren zur entkohlung chrom enthaltender schmelzen.

Info

Publication number
ATE10508T1
ATE10508T1 AT81420006T AT81420006T ATE10508T1 AT E10508 T1 ATE10508 T1 AT E10508T1 AT 81420006 T AT81420006 T AT 81420006T AT 81420006 T AT81420006 T AT 81420006T AT E10508 T1 ATE10508 T1 AT E10508T1
Authority
AT
Austria
Prior art keywords
oxygen
chromium
decarburization
pig iron
bath
Prior art date
Application number
AT81420006T
Other languages
English (en)
Inventor
Georges Marizy
Original Assignee
Ugine Aciers
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=9237950&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE10508(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ugine Aciers filed Critical Ugine Aciers
Application granted granted Critical
Publication of ATE10508T1 publication Critical patent/ATE10508T1/de

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
    • C21C5/005—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)
  • Continuous Casting (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Control Of El Displays (AREA)
  • Adornments (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Pinball Game Machines (AREA)
  • Mold Materials And Core Materials (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
AT81420006T 1980-01-24 1981-01-20 Verfahren zur entkohlung chrom enthaltender schmelzen. ATE10508T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8001809A FR2474531B1 (fr) 1980-01-24 1980-01-24 Procede de decarburation des fontes au chrome, pour l'elaboration d'aciers inoxydables, par jet d'oxygene supersonique
EP81420006A EP0033289B1 (de) 1980-01-24 1981-01-20 Verfahren zur Entkohlung Chrom enthaltender Schmelzen

Publications (1)

Publication Number Publication Date
ATE10508T1 true ATE10508T1 (de) 1984-12-15

Family

ID=9237950

Family Applications (1)

Application Number Title Priority Date Filing Date
AT81420006T ATE10508T1 (de) 1980-01-24 1981-01-20 Verfahren zur entkohlung chrom enthaltender schmelzen.

Country Status (19)

Country Link
US (1) US4324584A (de)
EP (1) EP0033289B1 (de)
JP (1) JPS56116814A (de)
AT (1) ATE10508T1 (de)
AU (1) AU531039B2 (de)
BR (1) BR8100314A (de)
CA (1) CA1154967A (de)
DE (1) DE3167358D1 (de)
ES (1) ES8200725A1 (de)
FI (1) FI68862C (de)
FR (1) FR2474531B1 (de)
IN (1) IN153729B (de)
NO (1) NO810242L (de)
PH (1) PH16313A (de)
SU (1) SU1170974A3 (de)
TR (1) TR21061A (de)
YU (1) YU9681A (de)
ZA (1) ZA81411B (de)
ZW (1) ZW1281A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2540519A2 (fr) * 1980-08-26 1984-08-10 Ugine Aciers Buse d'injection d'oxygene a jet supersonique stabilise pour la decarburation des fontes et, en particulier, des fontes au chrome
FR2489368A1 (fr) * 1980-08-26 1982-03-05 Ugine Aciers Nouvelle buse pour lance d'injection d'oxygene pour la decarburation des fontes et application a la decarburation des fontes au chrome
JPS59145717A (ja) * 1983-02-04 1984-08-21 ユジンヌ・アシエ 鋳鉄，特にクロム鋳鉄を脱炭するための安定した超音速流を噴出する酸素噴射ノズル
US5474737A (en) * 1993-07-01 1995-12-12 The United States Of America As Represented By The Secretary Of Commerce Alloys for cryogenic service
JP3167888B2 (ja) * 1995-07-27 2001-05-21 川崎製鉄株式会社 含クロム溶鋼の脱炭精錬方法及び精錬ガス用上吹ランス
WO2010107859A2 (en) * 2009-03-19 2010-09-23 Massachusetts Institute Of Technology Method of refining the grain structure of alloys

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1309507A (fr) * 1960-11-18 1962-11-16 Union Carbide Corp Procédé de décarburation des aciers à teneur élevée en chrome
FR1407182A (fr) * 1963-06-25 1965-07-30 Allegheny Ludlum Steel Perfectionnements aux procédés de fabrication d'aciers résistants à la corrosion
US3575696A (en) * 1968-09-19 1971-04-20 Jones & Laughlin Steel Corp Process for controlling the manufacture of high-chromium steels
US3507642A (en) * 1969-06-02 1970-04-21 Allegheny Ludlum Steel Process for producing corrosion resistant steel
BE778449A (fr) * 1971-02-16 1972-05-16 Krupp Ag Huettenwerke Procede pour l'acceleration de reaction metallurgiques et dispositif pour la mise en oeuvre du procede
US3793002A (en) * 1971-10-14 1974-02-19 Siderurgie Fse Inst Rech Method of introducing a combustible auxiliary liquid into blast furnace and a tuyere for carrying out the method
FR2267376B1 (de) * 1974-04-11 1977-06-24 Creusot Loire
DE2651922C3 (de) * 1976-11-13 1979-06-21 Stahlwerke Peine-Salzgitter Ag, 3150 Peine Verfahren zum Steuern des Frischablaufs beim Frischen von Roheisen

Also Published As

Publication number Publication date
FI68862C (fi) 1985-11-11
EP0033289A1 (de) 1981-08-05
YU9681A (en) 1983-04-30
IN153729B (de) 1984-08-11
FI68862B (fi) 1985-07-31
FR2474531B1 (fr) 1986-08-14
DE3167358D1 (en) 1985-01-10
ZW1281A1 (en) 1981-04-15
FR2474531A1 (fr) 1981-07-31
ES498749A0 (es) 1981-11-01
CA1154967A (fr) 1983-10-11
AU6630381A (en) 1981-07-30
JPS56116814A (en) 1981-09-12
SU1170974A3 (ru) 1985-07-30
US4324584A (en) 1982-04-13
NO810242L (no) 1981-07-27
TR21061A (tr) 1983-06-13
EP0033289B1 (de) 1984-11-28
PH16313A (en) 1983-09-05
ES8200725A1 (es) 1981-11-01
ZA81411B (en) 1982-02-24
FI810188L (fi) 1981-07-25
AU531039B2 (en) 1983-08-04
BR8100314A (pt) 1981-08-11

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee