ZA834766B - Method for producing low hydrogen content in steels produced by sub-surface pneumatic refining - Google Patents

Method for producing low hydrogen content in steels produced by sub-surface pneumatic refining

Info

Publication number
ZA834766B
ZA834766B ZA834766A ZA834766A ZA834766B ZA 834766 B ZA834766 B ZA 834766B ZA 834766 A ZA834766 A ZA 834766A ZA 834766 A ZA834766 A ZA 834766A ZA 834766 B ZA834766 B ZA 834766B
Authority
ZA
South Africa
Prior art keywords
low hydrogen
refining
sub
hydrogen content
producing low
Prior art date
Application number
ZA834766A
Other languages
English (en)
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=ZA834766(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 ZA834766B publication Critical patent/ZA834766B/xx

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
    • 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
    • C21C5/28Manufacture of steel in the converter
    • C21C5/30Regulating or controlling the blowing
    • C21C5/34Blowing through the bath
    • 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

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)
ZA834766A 1982-06-29 1983-06-29 Method for producing low hydrogen content in steels produced by sub-surface pneumatic refining ZA834766B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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 (1)

Publication Number Publication Date
ZA834766B true ZA834766B (en) 1984-03-28

Family

ID=23554815

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA834766A ZA834766B (en) 1982-06-29 1983-06-29 Method for producing low hydrogen content in steels produced by sub-surface pneumatic refining

Country Status (11)

Country Link
US (1) US4451288A (de)
EP (1) EP0097971B1 (de)
JP (1) JPS5964711A (de)
AT (1) ATE27307T1 (de)
BR (1) BR8303453A (de)
DE (1) DE3371649D1 (de)
ES (1) ES8503031A1 (de)
FI (1) FI73462B (de)
IN (1) IN159567B (de)
MX (1) MX165083B (de)
ZA (1) ZA834766B (de)

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 (de) * 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 (de) 1987-05-20
ES523686A0 (es) 1985-02-01
MX165083B (es) 1992-10-21
BR8303453A (pt) 1984-02-07
US4451288A (en) 1984-05-29
FI832380L (fi) 1983-12-30
EP0097971A2 (de) 1984-01-11
EP0097971A3 (en) 1984-02-08
FI832380A0 (fi) 1983-06-29
DE3371649D1 (en) 1987-06-25
JPS5964711A (ja) 1984-04-12
JPH025801B2 (de) 1990-02-06
ATE27307T1 (de) 1987-06-15
IN159567B (de) 1987-05-23
ES8503031A1 (es) 1985-02-01
FI73462B (fi) 1987-06-30

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