JPS5594424A - Decarbonization refining method of desphosphorized and desulfurized iron - Google Patents

Decarbonization refining method of desphosphorized and desulfurized iron

Info

Publication number
JPS5594424A
JPS5594424A JP258179A JP258179A JPS5594424A JP S5594424 A JPS5594424 A JP S5594424A JP 258179 A JP258179 A JP 258179A JP 258179 A JP258179 A JP 258179A JP S5594424 A JPS5594424 A JP S5594424A
Authority
JP
Japan
Prior art keywords
molten
blowing
oxygen
refining
steel
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
JP258179A
Other languages
English (en)
Inventor
Satomi Yamamoto
Kazumasa Umezawa
Norizo Futasugi
Ryoshi Arima
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 Corp
Original Assignee
Nippon Steel 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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP258179A priority Critical patent/JPS5594424A/ja
Publication of JPS5594424A publication Critical patent/JPS5594424A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
JP258179A 1979-01-13 1979-01-13 Decarbonization refining method of desphosphorized and desulfurized iron Pending JPS5594424A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP258179A JPS5594424A (en) 1979-01-13 1979-01-13 Decarbonization refining method of desphosphorized and desulfurized iron

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP258179A JPS5594424A (en) 1979-01-13 1979-01-13 Decarbonization refining method of desphosphorized and desulfurized iron

Publications (1)

Publication Number Publication Date
JPS5594424A true JPS5594424A (en) 1980-07-17

Family

ID=11533333

Family Applications (1)

Application Number Title Priority Date Filing Date
JP258179A Pending JPS5594424A (en) 1979-01-13 1979-01-13 Decarbonization refining method of desphosphorized and desulfurized iron

Country Status (1)

Country Link
JP (1) JPS5594424A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5792120A (en) * 1980-11-28 1982-06-08 Nippon Kokan Kk <Nkk> Steel making method by converter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5792120A (en) * 1980-11-28 1982-06-08 Nippon Kokan Kk <Nkk> Steel making method by converter

Similar Documents

Publication Publication Date Title
JPS5594424A (en) Decarbonization refining method of desphosphorized and desulfurized iron
JPS572813A (en) Production of decarbonized and melted stainless steel
JPS56130416A (en) Steel making method
JPS57158316A (en) Production of al-containing steel
JPS56133413A (en) Steel making method by divided refining
JPS5594415A (en) Steel making method of less slag producing amount
JPS5763614A (en) Refining method in top and bottom blowing converter
JPS5623214A (en) Dephosphorization accelerating method in oxygen top blowing steel making method
ES8402879A1 (es) Procedimiento mejorado para aumentar la cantidad de refrigerante en la obtencion de acero mediante insuflado de oxigeno.
JPS55107718A (en) Production of molten steel
JPS57110612A (en) Vacuum refining method of low carbon, low nitrogen and high chromium steel
JPS5244715A (en) Continuous method of refining molten iron alloy by using alkali metal compoun
JPS5594416A (en) Weighed tapping method
JPS5623213A (en) Melting method of low phosphorus steel in oxygen top blowing steel making method
JPS6154081B2 (ja)
JPS5534604A (en) Hot iron treating method
JPS55107715A (en) Blowing method of dephosphorizer to bottom blowing converter
JPS5594422A (en) Oxygen steel making method of molten iron having beforehand undergone dephosphorization and desulfurization
JPS558457A (en) Oxygen bottom blasting converter
JPS5594427A (en) Bottom blowing decarbonization method in which sub-material is not used
JPS5475418A (en) Hot iron dephosphorization method
JPS5690919A (en) Steel making method
JPS5620113A (en) Operating method of converter
SU1186647A1 (ru) Способ передела ванадиевых чугунов
JPS53108814A (en) Oxygen steel-making method using low phosphorus low sulfur pig iron as raw material