DE3363843D1 - Process to produce low hydrogen steel by argon-oxygen decarburization - Google Patents

Process to produce low hydrogen steel by argon-oxygen decarburization

Info

Publication number
DE3363843D1
DE3363843D1 DE8383400118T DE3363843T DE3363843D1 DE 3363843 D1 DE3363843 D1 DE 3363843D1 DE 8383400118 T DE8383400118 T DE 8383400118T DE 3363843 T DE3363843 T DE 3363843T DE 3363843 D1 DE3363843 D1 DE 3363843D1
Authority
DE
Germany
Prior art keywords
steel
gas
melt
produce low
argon
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE8383400118T
Other languages
English (en)
Inventor
Stewart Keeney Mehlman
Ronald Joseph Selines
Rockne James Andreini
Balkishan Agrawal
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Union Carbide Corp
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
Application granted granted Critical
Publication of DE3363843D1 publication Critical patent/DE3363843D1/de
Expired legal-status Critical Current

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
    • 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
    • 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

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)
  • Luminescent Compositions (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Coating With Molten Metal (AREA)
  • Catalysts (AREA)
DE8383400118T 1982-01-22 1983-01-18 Process to produce low hydrogen steel by argon-oxygen decarburization Expired DE3363843D1 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE3363843D1 true DE3363843D1 (en) 1986-07-10

Family

ID=23337584

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383400118T Expired DE3363843D1 (en) 1982-01-22 1983-01-18 Process to produce low hydrogen steel by argon-oxygen decarburization

Country Status (19)

Country Link
US (1) US4436553A (de)
EP (1) EP0087328B1 (de)
JP (1) JPS58174518A (de)
KR (1) KR890003973B1 (de)
AT (1) ATE20251T1 (de)
AU (1) AU557261B2 (de)
BR (1) BR8300308A (de)
CA (1) CA1202181A (de)
DE (1) DE3363843D1 (de)
ES (1) ES519135A0 (de)
FI (1) FI72747C (de)
GR (1) GR77853B (de)
MX (1) MX166925B (de)
NO (1) NO159732C (de)
PL (1) PL240252A1 (de)
RO (1) RO88461A (de)
SU (1) SU1384207A3 (de)
YU (1) YU43294B (de)
ZA (1) ZA83425B (de)

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 (de) 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
YU43294B (en) 1989-06-30
FI72747B (fi) 1987-03-31
AU557261B2 (en) 1986-12-18
EP0087328A1 (de) 1983-08-31
US4436553A (en) 1984-03-13
ZA83425B (en) 1983-10-26
SU1384207A3 (ru) 1988-03-23
FI830153L (fi) 1983-07-23
BR8300308A (pt) 1983-10-25
NO830197L (no) 1983-07-25
ES8403162A1 (es) 1984-03-01
PL240252A1 (en) 1983-09-26
EP0087328B1 (de) 1986-06-04
AU1069683A (en) 1983-07-28
JPH0128807B2 (de) 1989-06-06
NO159732C (no) 1989-02-01
CA1202181A (en) 1986-03-25
NO159732B (no) 1988-10-24
KR890003973B1 (ko) 1989-10-14
YU13283A (en) 1986-02-28
RO88461A (ro) 1986-01-30
ES519135A0 (es) 1984-03-01
KR840003291A (ko) 1984-08-20
MX166925B (es) 1993-02-15
JPS58174518A (ja) 1983-10-13
FI830153A0 (fi) 1983-01-17
FI72747C (fi) 1987-07-10
GR77853B (de) 1984-09-25
ATE20251T1 (de) 1986-06-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee