ZA807929B - Method for preventing slopping during subsurface pneumatic refining of steel - Google Patents

Method for preventing slopping during subsurface pneumatic refining of steel

Info

Publication number
ZA807929B
ZA807929B ZA00807929A ZA807929A ZA807929B ZA 807929 B ZA807929 B ZA 807929B ZA 00807929 A ZA00807929 A ZA 00807929A ZA 807929 A ZA807929 A ZA 807929A ZA 807929 B ZA807929 B ZA 807929B
Authority
ZA
South Africa
Prior art keywords
steel
pneumatic refining
during subsurface
subsurface pneumatic
slopping during
Prior art date
Application number
ZA00807929A
Other languages
English (en)
Inventor
R Bury
S Mehlman
Rockne James Andreini
James Andreini Rockne
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=22317095&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA807929(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 ZA807929B publication Critical patent/ZA807929B/xx

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
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/35—Blowing from above and 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
    • 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
    • C21C7/06—Deoxidising, e.g. killing
    • 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)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Manufacture And Refinement Of Metals (AREA)
ZA00807929A 1979-12-27 1980-12-18 Method for preventing slopping during subsurface pneumatic refining of steel ZA807929B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/107,535 US4278464A (en) 1979-12-27 1979-12-27 Method for preventing slopping during subsurface pneumatic refining of steel

Publications (1)

Publication Number Publication Date
ZA807929B true ZA807929B (en) 1982-01-27

Family

ID=22317095

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00807929A ZA807929B (en) 1979-12-27 1980-12-18 Method for preventing slopping during subsurface pneumatic refining of steel

Country Status (15)

Country Link
US (1) US4278464A (fi)
EP (1) EP0033780B2 (fi)
JP (1) JPS6014812B2 (fi)
KR (1) KR850000927B1 (fi)
BR (1) BR8008338A (fi)
CA (1) CA1157276A (fi)
DE (1) DE3071177D1 (fi)
DK (1) DK552980A (fi)
ES (1) ES8202593A1 (fi)
FI (1) FI67094C (fi)
IN (1) IN155179B (fi)
NO (1) NO153861C (fi)
SU (1) SU1114343A3 (fi)
YU (1) YU41453B (fi)
ZA (1) ZA807929B (fi)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4436553A (en) 1982-01-22 1984-03-13 Union Carbide Corporation Process to produce low hydrogen steel
US4451288A (en) * 1982-06-29 1984-05-29 Union Carbide Corporation Method for producing low hydrogen content in steels produced by subsurface pneumatic refining
US4477278A (en) * 1983-01-06 1984-10-16 Union Carbide Corporation Steelmaking process using calcium carbide as fuel
US4488903A (en) * 1984-03-14 1984-12-18 Union Carbide Corporation Rapid decarburization steelmaking process
US4551175A (en) * 1984-04-17 1985-11-05 Union Carbide Corporation Method for controlling slag chemistry in a refining vessel
US4761178A (en) * 1987-08-24 1988-08-02 Bethlehem Steel Corporation Process for heating molten steel contained in a ladle
IN172394B (fi) * 1988-07-22 1993-07-17 Boest Alpine Stahl Donawitz Ge

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3107995A (en) * 1961-04-06 1963-10-22 Katakura Sampei Refining material for iron and steel and method of producing same
US3702243A (en) * 1969-04-15 1972-11-07 Nat Steel Corp Method of preparing deoxidized steel
US3960546A (en) * 1974-05-22 1976-06-01 United States Steel Corporation Method for eliminating nose-skulls from steelmaking vessels
US4187102A (en) * 1978-08-24 1980-02-05 Union Carbide Corporation Method for controlling the temperature of the melt during pneumatic refining of steel
US4210442A (en) * 1979-02-07 1980-07-01 Union Carbide Corporation Argon in the basic oxygen process to control slopping

Also Published As

Publication number Publication date
FI67094B (fi) 1984-09-28
NO803907L (no) 1981-06-29
FI67094C (fi) 1985-01-10
DK552980A (da) 1981-06-28
JPS56127726A (en) 1981-10-06
DE3071177D1 (en) 1985-11-14
KR850000927B1 (ko) 1985-06-28
EP0033780B2 (en) 1990-11-28
NO153861C (no) 1986-06-04
SU1114343A3 (ru) 1984-09-15
NO153861B (no) 1986-02-24
YU41453B (en) 1987-06-30
EP0033780A1 (en) 1981-08-19
KR830005374A (ko) 1983-08-13
US4278464A (en) 1981-07-14
EP0033780B1 (en) 1985-10-09
FI804007L (fi) 1981-06-28
IN155179B (fi) 1985-01-12
BR8008338A (pt) 1981-07-07
CA1157276A (en) 1983-11-22
YU325480A (en) 1983-02-28
ES498039A0 (es) 1982-02-01
ES8202593A1 (es) 1982-02-01
JPS6014812B2 (ja) 1985-04-16

Similar Documents

Publication Publication Date Title
JPS544250A (en) Method of making steel wire for reinforcing rubber
DE3164523D1 (en) Method and apparatus for lining of an excavation
JPS55113823A (en) Steel making method
GB2093864B (en) Process for refining high-chronium steels by oxygen-blowing
GB2052605B (en) Apparatus for and a method of driving tunnels
DE3071177D1 (en) Method for preventing slopping during subsurface pneumatic refining of steel
DE3070220D1 (en) Method of stirring during continuous casting
JPS5633390A (en) Controlling method for winch of mining machine
BG33295A3 (en) Method for obtaining of vindezine
JPS5221245A (en) Method for colddrolling of steel
JPS56105413A (en) Steel making method
GB2044050B (en) Method of the apparatus for enhancing televsision picturesetc
JPS55126081A (en) Method of repairing eroded part of steellmade underground container
BG32857A3 (en) Method for obtaining of cephalosporint solvates
JPS5625536A (en) Method for reinforcing joint of block
JPS55129591A (en) Method and machine for excavating pit
GB2027374B (en) Method of sequential continuous-casting of different grades of steel
IL60515A (en) Method and apparatus for indicating heading
JPS55124593A (en) Method of desulfurizing sewage
JPS55136354A (en) Method of sealinggup for construction
JPS5634893A (en) Method of excavating pit
JPS5684286A (en) Method of lining concrete tank
JPS5221246A (en) Method for colddrolling of steel
JPS5250928A (en) Method for immersionnmoulding of steel
BG32192A1 (en) Method for obtaining of glucoseisomerase