JPS565910A - Dephosphorizing method of pig iron containing chromium - Google Patents

Dephosphorizing method of pig iron containing chromium

Info

Publication number
JPS565910A
JPS565910A JP8128579A JP8128579A JPS565910A JP S565910 A JPS565910 A JP S565910A JP 8128579 A JP8128579 A JP 8128579A JP 8128579 A JP8128579 A JP 8128579A JP S565910 A JPS565910 A JP S565910A
Authority
JP
Japan
Prior art keywords
oxide
iron
kinds
concentration
pig iron
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.)
Pending
Application number
JP8128579A
Other languages
English (en)
Japanese (ja)
Inventor
Shigeaki Maruhashi
Morihiro Hasegawa
Takashi Yamauchi
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.)
Nippon Steel Nisshin Co Ltd
Original Assignee
Nisshin Steel Co Ltd
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 Nisshin Steel Co Ltd filed Critical Nisshin Steel Co Ltd
Priority to JP8128579A priority Critical patent/JPS565910A/ja
Priority to US06/159,097 priority patent/US4290803A/en
Priority to GB8020243A priority patent/GB2057015B/en
Priority to SE8004627A priority patent/SE437273B/sv
Priority to FR8014091A priority patent/FR2460336A1/fr
Priority to DE3024308A priority patent/DE3024308C2/de
Publication of JPS565910A publication Critical patent/JPS565910A/ja
Pending 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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/02—Dephosphorising or desulfurising
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/02—Making special pig-iron, e.g. by applying additives, e.g. oxides of other metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
JP8128579A 1979-06-29 1979-06-29 Dephosphorizing method of pig iron containing chromium Pending JPS565910A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP8128579A JPS565910A (en) 1979-06-29 1979-06-29 Dephosphorizing method of pig iron containing chromium
US06/159,097 US4290803A (en) 1979-06-29 1980-06-13 Process for dephosphorization and denitrification of chromium-containing pig iron
GB8020243A GB2057015B (en) 1979-06-29 1980-06-20 Dephosphorization and denitrification of chromium-containing pig-iron
SE8004627A SE437273B (sv) 1979-06-29 1980-06-23 Forfarande for avlegsnande av fosfor och kveve ur kromhaltigt tackjern
FR8014091A FR2460336A1 (fr) 1979-06-29 1980-06-25 Procede de dephosphoration et de denitration de fonte contenant du chrome
DE3024308A DE3024308C2 (de) 1979-06-29 1980-06-27 Verfahren zur Entphosphorung und Entstickung von chromhaltigem Roheisen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8128579A JPS565910A (en) 1979-06-29 1979-06-29 Dephosphorizing method of pig iron containing chromium

Publications (1)

Publication Number Publication Date
JPS565910A true JPS565910A (en) 1981-01-22

Family

ID=13742095

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8128579A Pending JPS565910A (en) 1979-06-29 1979-06-29 Dephosphorizing method of pig iron containing chromium

Country Status (6)

Country Link
US (1) US4290803A (enExample)
JP (1) JPS565910A (enExample)
DE (1) DE3024308C2 (enExample)
FR (1) FR2460336A1 (enExample)
GB (1) GB2057015B (enExample)
SE (1) SE437273B (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5947349A (ja) * 1982-09-09 1984-03-17 Sumitomo Metal Ind Ltd クロムを含む溶融鉄合金の脱燐・脱硫方法
JPS59211519A (ja) * 1983-05-18 1984-11-30 Nisshin Steel Co Ltd 低ｐ含クロム鋼の製造法
WO1991000928A1 (en) * 1989-07-08 1991-01-24 Nisshin Steel Co., Ltd. Method of dephosphorizing chromium-containing hot metal with lowered oxidation loss of chromium

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58151416A (ja) * 1982-03-03 1983-09-08 Sumitomo Metal Ind Ltd クロムを含む溶融鉄合金の脱燐・脱硫方法
IT1234939B (it) * 1985-12-06 1992-06-02 Centro Speriment Metallurg Procedimento per la riduzione del contenuto di impurezze nella ghisa

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3172756A (en) * 1965-03-09 Process of dephosphorizing pig iron
US2333741A (en) * 1942-09-29 1943-11-09 Electro Metallurg Co Manufacture of cast iron
US2504802A (en) * 1944-09-27 1950-04-18 Westinghouse Electric Corp Brazing flux
FR1062328A (fr) * 1951-08-30 1954-04-21 Procédé pour la déphosphoration de métaux, par exemple de la fonte et ins?ons pour la mise en oeuvre de ce procédé
US3179540A (en) * 1963-05-21 1965-04-20 Asinovskaja Gnesja Abramovna Flux for soldering and low-temperature soldering-welding of cast iron by brass solders
FR2096985A7 (en) * 1970-07-23 1972-03-03 Eurossid Desulphurisation and dephosphorisation of ferrous metal - - by direct addn to melt in casting ladle
US3942977A (en) * 1975-03-24 1976-03-09 Foote Mineral Company Process for making iron or steel utilizing lithium containing material as auxiliary slag formers
US3998624A (en) * 1975-10-06 1976-12-21 Mercier Corporation Slag fluidizing agent and method of using same for iron and steel-making processes
JPS5910974B2 (ja) * 1976-03-03 1984-03-13 新日本製鐵株式会社 溶銑の脱燐方法
FR2366365A1 (fr) * 1976-09-30 1978-04-28 Sumitomo Metal Ind Procede de dephosphoration de la fonte liquide

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5947349A (ja) * 1982-09-09 1984-03-17 Sumitomo Metal Ind Ltd クロムを含む溶融鉄合金の脱燐・脱硫方法
JPS59211519A (ja) * 1983-05-18 1984-11-30 Nisshin Steel Co Ltd 低ｐ含クロム鋼の製造法
WO1991000928A1 (en) * 1989-07-08 1991-01-24 Nisshin Steel Co., Ltd. Method of dephosphorizing chromium-containing hot metal with lowered oxidation loss of chromium
EP0437618B1 (en) * 1989-07-08 1995-10-04 Nisshin Steel Co., Ltd. Method of dephosphorizing chromium-containing hot metal with lowered oxidation loss of chromium

Also Published As

Publication number Publication date
FR2460336A1 (fr) 1981-01-23
US4290803A (en) 1981-09-22
SE437273B (sv) 1985-02-18
DE3024308C2 (de) 1983-08-11
DE3024308A1 (de) 1981-02-26
GB2057015A (en) 1981-03-25
GB2057015B (en) 1983-01-12
FR2460336B1 (enExample) 1984-05-04
SE8004627L (sv) 1980-12-30

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