FI68862C - Foerfarande foer avlaegsnande av kol ur krom innehaollande gjutjaern - Google Patents

Foerfarande foer avlaegsnande av kol ur krom innehaollande gjutjaern Download PDF

Info

Publication number
FI68862C
FI68862C FI810188A FI810188A FI68862C FI 68862 C FI68862 C FI 68862C FI 810188 A FI810188 A FI 810188A FI 810188 A FI810188 A FI 810188A FI 68862 C FI68862 C FI 68862C
Authority
FI
Finland
Prior art keywords
oxygen
pig iron
chromium
bath
decarburization
Prior art date
Application number
FI810188A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI68862B (fi
FI810188L (fi
Inventor
George 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=FI68862(C) "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
Publication of FI810188L publication Critical patent/FI810188L/fi
Application granted granted Critical
Publication of FI68862B publication Critical patent/FI68862B/fi
Publication of FI68862C publication Critical patent/FI68862C/fi

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)
FI810188A 1980-01-24 1981-01-23 Foerfarande foer avlaegsnande av kol ur krom innehaollande gjutjaern FI68862C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8001809 1980-01-24
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

Publications (3)

Publication Number Publication Date
FI810188L FI810188L (fi) 1981-07-25
FI68862B FI68862B (fi) 1985-07-31
FI68862C true FI68862C (fi) 1985-11-11

Family

ID=9237950

Family Applications (1)

Application Number Title Priority Date Filing Date
FI810188A FI68862C (fi) 1980-01-24 1981-01-23 Foerfarande foer avlaegsnande av kol ur krom innehaollande gjutjaern

Country Status (19)

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

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 (es) * 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
ATE10508T1 (de) 1984-12-15
EP0033289A1 (fr) 1981-08-05
YU9681A (en) 1983-04-30
IN153729B (es) 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 (fr) 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

Similar Documents

Publication Publication Date Title
JP4195106B2 (ja) 合金鋼の製造方法および合金鋼の製造プラント
KR101018535B1 (ko) 철합금의 정련 방법
FI68862C (fi) Foerfarande foer avlaegsnande av kol ur krom innehaollande gjutjaern
FI67094B (fi) Foerfarande foer att foerhindra att slaggmetall vaeller upp id pneumatisk under ytan skeende raffinering av staol
FI66432C (fi) Munstycke foer ett syreinsprutningsroer foer avlaegsnande av kol ut gjutjaern och anvaendning av detsamma foer avlaegsnande av kol ur kromgjutjaern
US4545815A (en) Process for the production of steels of low carbon content wherein the carbon end point and blow temperature are controlled
SU544388A3 (ru) Способ обезуглероживани ферросплавов
US3929458A (en) Process for the elaboration of chrome steels
SE459184B (sv) Foerfarande foer framstaellning av kromhaltigt staal med laag fosforhalt
KR860000039B1 (ko) 크롬주철의 탈탄방법
JPH0153329B2 (es)
US4021233A (en) Metallurgical process
US3860418A (en) Method of refining iron melts containing chromium
JPS61235506A (ja) 取鍋内溶鋼の昇熱法
JP7235070B2 (ja) 溶鋼の二次精錬方法および鋼の製造方法
SU749906A1 (ru) Способ рафинировани высокохромистых сталей
US4188206A (en) Metallurgical process
SU988879A1 (ru) Способ продувки металла кислородом
JPH09249910A (ja) Ｒｈ脱ガスでの溶鋼昇熱方法
JPH0480316A (ja) 溶鋼の減圧脱炭法
SU1289891A1 (ru) Способ выплавки стали в конвертере
JPH02133510A (ja) 真空処理装置
SU947199A1 (ru) Способ производства низкоуглеродистой стали
SU436097A1 (ru) Способ получения нержавеющей стали
Kor et al. Ladle Operations

Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: UGINE ACIERS