FI830153A0 - Foerfarande foer framstaellning av staol med laog vaetehalt - Google Patents

Foerfarande foer framstaellning av staol med laog vaetehalt

Info

Publication number
FI830153A0
FI830153A0 FI830153A FI830153A FI830153A0 FI 830153 A0 FI830153 A0 FI 830153A0 FI 830153 A FI830153 A FI 830153A FI 830153 A FI830153 A FI 830153A FI 830153 A0 FI830153 A0 FI 830153A0
Authority
FI
Finland
Prior art keywords
gas
melt
steel
vaetehalt
staol
Prior art date
Application number
FI830153A
Other languages
English (en)
Other versions
FI72747C (fi
FI72747B (fi
FI830153L (fi
Inventor
Stewart Keeney Mehlman
Ronald Joseph Selines
Rockne James Andreini
Balkishan Agrawal
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
Application filed by Union Carbide Corp filed Critical Union Carbide Corp
Publication of FI830153A0 publication Critical patent/FI830153A0/fi
Publication of FI830153L publication Critical patent/FI830153L/fi
Application granted granted Critical
Publication of FI72747B publication Critical patent/FI72747B/fi
Publication of FI72747C publication Critical patent/FI72747C/fi

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
    • 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
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04Removing impurities by adding a treating agent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Heat Treatment Of Steel (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Luminescent Compositions (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Catalysts (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Coating With Molten Metal (AREA)
FI830153A 1982-01-22 1983-01-17 Foerfarande foer framstaellning av staol med laog vaetehalt. FI72747C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/341,440 US4436553A (en) 1982-01-22 1982-01-22 Process to produce low hydrogen steel
US34144082 1982-01-22

Publications (4)

Publication Number Publication Date
FI830153A0 true FI830153A0 (fi) 1983-01-17
FI830153L FI830153L (fi) 1983-07-23
FI72747B FI72747B (fi) 1987-03-31
FI72747C FI72747C (fi) 1987-07-10

Family

ID=23337584

Family Applications (1)

Application Number Title Priority Date Filing Date
FI830153A FI72747C (fi) 1982-01-22 1983-01-17 Foerfarande foer framstaellning av staol med laog vaetehalt.

Country Status (19)

Country Link
US (1) US4436553A (fi)
EP (1) EP0087328B1 (fi)
JP (1) JPS58174518A (fi)
KR (1) KR890003973B1 (fi)
AT (1) ATE20251T1 (fi)
AU (1) AU557261B2 (fi)
BR (1) BR8300308A (fi)
CA (1) CA1202181A (fi)
DE (1) DE3363843D1 (fi)
ES (1) ES8403162A1 (fi)
FI (1) FI72747C (fi)
GR (1) GR77853B (fi)
MX (1) MX166925B (fi)
NO (1) NO159732C (fi)
PL (1) PL240252A1 (fi)
RO (1) RO88461A (fi)
SU (1) SU1384207A3 (fi)
YU (1) YU43294B (fi)
ZA (1) ZA83425B (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4451288A (en) * 1982-06-29 1984-05-29 Union Carbide Corporation Method for producing low hydrogen content in steels produced by subsurface pneumatic refining
US20060207673A1 (en) * 2005-03-18 2006-09-21 O'brien John V Vacuum insulated assured flow piping
US7775006B2 (en) * 2006-01-03 2010-08-17 Konstantinos Giannos Fire stop system for wallboard and metal fluted deck construction

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3252790A (en) 1956-06-27 1966-05-24 Union Carbide Corp Preparation of metals and alloys
GB858404A (en) * 1956-06-27 1961-01-11 Union Carbide Corp A method of lowering the carbon content of chromium-bearing steels
BE610265A (fi) 1960-11-18
DE1909780A1 (de) * 1969-02-27 1970-11-19 Maximilianshuette Eisenwerk Verfahren zum Senken der Sauerstoff- und Wasserstoffgehalte in kohlenstoffarmen Staehlen
US3816720A (en) 1971-11-01 1974-06-11 Union Carbide Corp Process for the decarburization of molten metal
US3754894A (en) * 1972-04-20 1973-08-28 Joslyn Mfg & Supply Co Nitrogen control in argon oxygen refining of molten metal
DE2314843C2 (de) * 1973-03-24 1975-01-30 Fried. Krupp Huettenwerke Ag, 4630 Bochum Verfahren zur Herstellung von vakuumbehandeltem Stahl für Schmiedeblocke
US3854932A (en) 1973-06-18 1974-12-17 Allegheny Ludlum Ind Inc Process for production of stainless steel
US3861888A (en) 1973-06-28 1975-01-21 Union Carbide Corp Use of CO{HD 2 {B in argon-oxygen refining of molten metal
US4208206A (en) 1977-03-31 1980-06-17 Union Carbide Corporation Method for producing improved metal castings by pneumatically refining the melt
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
JPS6040490B2 (ja) * 1980-04-21 1985-09-11 日本鋼管株式会社 容器内溶鋼の精錬方法
DE3034430A1 (de) * 1980-09-12 1982-04-29 Boschgotthardshütte O.Breyer GmbH, 5900 Siegen Verfahren zum zweistufigen herstellen von edelbau- und werkzeugstaehlen

Also Published As

Publication number Publication date
PL240252A1 (en) 1983-09-26
RO88461A (ro) 1986-01-30
FI72747C (fi) 1987-07-10
ES519135A0 (es) 1984-03-01
FI72747B (fi) 1987-03-31
JPH0128807B2 (fi) 1989-06-06
NO159732C (no) 1989-02-01
EP0087328A1 (en) 1983-08-31
FI830153L (fi) 1983-07-23
NO159732B (no) 1988-10-24
GR77853B (fi) 1984-09-25
US4436553A (en) 1984-03-13
AU1069683A (en) 1983-07-28
KR890003973B1 (ko) 1989-10-14
MX166925B (es) 1993-02-15
DE3363843D1 (en) 1986-07-10
AU557261B2 (en) 1986-12-18
KR840003291A (ko) 1984-08-20
YU13283A (en) 1986-02-28
CA1202181A (en) 1986-03-25
JPS58174518A (ja) 1983-10-13
NO830197L (no) 1983-07-25
ZA83425B (en) 1983-10-26
YU43294B (en) 1989-06-30
ES8403162A1 (es) 1984-03-01
EP0087328B1 (en) 1986-06-04
SU1384207A3 (ru) 1988-03-23
ATE20251T1 (de) 1986-06-15
BR8300308A (pt) 1983-10-25

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: UNION CARBIDE CORPORATION