FI73462B - Metod foer framstaellning av staol med laog vaetehalt. - Google Patents

Metod foer framstaellning av staol med laog vaetehalt. Download PDF

Info

Publication number
FI73462B
FI73462B FI832380A FI832380A FI73462B FI 73462 B FI73462 B FI 73462B FI 832380 A FI832380 A FI 832380A FI 832380 A FI832380 A FI 832380A FI 73462 B FI73462 B FI 73462B
Authority
FI
Finland
Prior art keywords
vessel
melt
steel
oxygen
refining
Prior art date
Application number
FI832380A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI832380A0 (fi
FI832380L (fi
Inventor
Rockne James Andreini
Original Assignee
Union Carbide 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23554815&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI73462(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Union Carbide Corp filed Critical Union Carbide Corp
Publication of FI832380A0 publication Critical patent/FI832380A0/fi
Publication of FI832380L publication Critical patent/FI832380L/fi
Application granted granted Critical
Publication of FI73462B publication Critical patent/FI73462B/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
    • 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
    • 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

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)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Luminescent Compositions (AREA)
  • Medicines Containing Plant Substances (AREA)
FI832380A 1982-06-29 1983-06-29 Metod foer framstaellning av staol med laog vaetehalt. FI73462B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US39346782 1982-06-29
US06/393,467 US4451288A (en) 1982-06-29 1982-06-29 Method for producing low hydrogen content in steels produced by subsurface pneumatic refining

Publications (3)

Publication Number Publication Date
FI832380A0 FI832380A0 (fi) 1983-06-29
FI832380L FI832380L (fi) 1983-12-30
FI73462B true FI73462B (fi) 1987-06-30

Family

ID=23554815

Family Applications (1)

Application Number Title Priority Date Filing Date
FI832380A FI73462B (fi) 1982-06-29 1983-06-29 Metod foer framstaellning av staol med laog vaetehalt.

Country Status (11)

Country Link
US (1) US4451288A (https=)
EP (1) EP0097971B1 (https=)
JP (1) JPS5964711A (https=)
AT (1) ATE27307T1 (https=)
BR (1) BR8303453A (https=)
DE (1) DE3371649D1 (https=)
ES (1) ES523686A0 (https=)
FI (1) FI73462B (https=)
IN (1) IN159567B (https=)
MX (1) MX165083B (https=)
ZA (1) ZA834766B (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4869749A (en) * 1988-11-23 1989-09-26 Air Products And Chemicals, Inc. Chemical dehydrogenation of molten ferrous alloys using a halogen-containing compound

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2548849A (en) * 1946-01-12 1951-04-10 Armco Steel Corp Elimination of hydrogen from heats of killed steel
BE610265A (https=) * 1960-11-18
DE1909780A1 (de) * 1969-02-27 1970-11-19 Maximilianshuette Eisenwerk Verfahren zum Senken der Sauerstoff- und Wasserstoffgehalte in kohlenstoffarmen Staehlen
BE755456A (fr) * 1969-08-29 1971-03-01 Allegheny Ludlum Ind Inc Decarburation de l'acier fondu
BE789083A (fr) * 1971-10-06 1973-01-15 Uddeholms Ab Procede de reduction de la teneur de carbone dans des produits metallurgiques
US4187102A (en) * 1978-08-24 1980-02-05 Union Carbide Corporation Method for controlling the temperature of the melt during pneumatic refining of steel
US4278464A (en) * 1979-12-27 1981-07-14 Union Carbide Corporation Method for preventing slopping during subsurface pneumatic refining of steel
US4436553A (en) * 1982-01-22 1984-03-13 Union Carbide Corporation Process to produce low hydrogen steel

Also Published As

Publication number Publication date
EP0097971B1 (en) 1987-05-20
BR8303453A (pt) 1984-02-07
ZA834766B (en) 1984-03-28
FI832380A0 (fi) 1983-06-29
EP0097971A2 (en) 1984-01-11
FI832380L (fi) 1983-12-30
JPH025801B2 (https=) 1990-02-06
US4451288A (en) 1984-05-29
DE3371649D1 (en) 1987-06-25
ES8503031A1 (es) 1985-02-01
JPS5964711A (ja) 1984-04-12
IN159567B (https=) 1987-05-23
MX165083B (es) 1992-10-21
ES523686A0 (es) 1985-02-01
ATE27307T1 (de) 1987-06-15
EP0097971A3 (en) 1984-02-08

Similar Documents

Publication Publication Date Title
CN103080342B (zh) 利用传统炼钢设备低成本制备低碳、低硫和低氮钢
US3985550A (en) Method of producing low sulfur steel
US4001012A (en) Method of producing stainless steel
US4373949A (en) Method for increasing vessel lining life for basic oxygen furnaces
JPH0959709A (ja) 溶銑の脱りん方法
FI73462B (fi) Metod foer framstaellning av staol med laog vaetehalt.
FI67094B (fi) Foerfarande foer att foerhindra att slaggmetall vaeller upp id pneumatisk under ytan skeende raffinering av staol
JPS61253312A (ja) 窒素を調節する溶融金属浴の精練方法
RU2118376C1 (ru) Способ производства ванадиевого шлака и природнолегированной ванадием стали
JP3525766B2 (ja) 溶銑の脱りん方法
SU1371980A1 (ru) Способ обработки стали
CN103966395B (zh) 铝镇静钢浇余渣在不锈钢生产中的利用方法
JP4765374B2 (ja) 含クロム溶銑の脱硫処理方法
EP0015396B1 (en) A method for increasing vessel lining life for basic oxygen furnaces
JP4411934B2 (ja) 低燐溶銑の製造方法
KR101018167B1 (ko) 저류강의 제조방법
RU2241046C2 (ru) Способ и использование нитрата кальция для вспенивания шлаков в производстве стали
JP2001172708A (ja) 溶銑の予備処理方法
JPH111714A (ja) 製鋼方法
JPS625964B2 (https=)
RU2228373C1 (ru) Способ рафинирования низкокремнистой стали в ковше
JPS58174518A (ja) 低水素鋼を製造する方法
RU2212453C1 (ru) Способ производства низкоуглеродистой конструкционной стали
SU1188209A1 (ru) Способ передела низкомарганцовистого чугуна
JPS6056007A (ja) 溶銑の同時脱りん・脱硫処理方法

Legal Events

Date Code Title Description
FC Application refused

Owner name: UNION CARBIDE CORPORATION