JPS51140815A - Decarburization of molten steel at reduced pressur - Google Patents

Decarburization of molten steel at reduced pressur

Info

Publication number
JPS51140815A
JPS51140815A JP6492175A JP6492175A JPS51140815A JP S51140815 A JPS51140815 A JP S51140815A JP 6492175 A JP6492175 A JP 6492175A JP 6492175 A JP6492175 A JP 6492175A JP S51140815 A JPS51140815 A JP S51140815A
Authority
JP
Japan
Prior art keywords
decarburization
molten steel
reduced pressur
steel
pressur
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
JP6492175A
Other languages
Japanese (ja)
Inventor
Masataka Yoshii
Satomi Yamamoto
Masashi Yoshida
Mitsumasa Shibata
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 JP6492175A priority Critical patent/JPS51140815A/en
Publication of JPS51140815A publication Critical patent/JPS51140815A/en
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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00

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)

Abstract

PURPOSE:To reduce time required for decarburization, to diminish oxidation loss of alloy and to improve the accuracy of control of final refining temperature and final carbon content in oxygen blowing decarburization of stainless steel, silicon steel or high alloy steel.
JP6492175A 1975-05-30 1975-05-30 Decarburization of molten steel at reduced pressur Pending JPS51140815A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6492175A JPS51140815A (en) 1975-05-30 1975-05-30 Decarburization of molten steel at reduced pressur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6492175A JPS51140815A (en) 1975-05-30 1975-05-30 Decarburization of molten steel at reduced pressur

Publications (1)

Publication Number Publication Date
JPS51140815A true JPS51140815A (en) 1976-12-04

Family

ID=13271981

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6492175A Pending JPS51140815A (en) 1975-05-30 1975-05-30 Decarburization of molten steel at reduced pressur

Country Status (1)

Country Link
JP (1) JPS51140815A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51151212A (en) * 1975-06-21 1976-12-25 Nippon Steel Corp Rh degassing apparatus blowing oxidizing gas directly into circulating molten steel at reduced pressure
JPH0361319A (en) * 1989-07-27 1991-03-18 Nkk Corp Method and device for smelting extra-low-carbon steel

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4946445A (en) * 1972-07-13 1974-05-04

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4946445A (en) * 1972-07-13 1974-05-04

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51151212A (en) * 1975-06-21 1976-12-25 Nippon Steel Corp Rh degassing apparatus blowing oxidizing gas directly into circulating molten steel at reduced pressure
JPH0361319A (en) * 1989-07-27 1991-03-18 Nkk Corp Method and device for smelting extra-low-carbon steel

Similar Documents

Publication Publication Date Title
JPS51140815A (en) Decarburization of molten steel at reduced pressur
JPS51115218A (en) Dephosphorization of molten iron
JPS51140814A (en) Decarburization of molten steel at reduced pressur
JPS5381419A (en) Refining method for ultra low carbon low nitrogen stainless steel
GB1329216A (en) Process for controlling carbon content in steel
JPS5378913A (en) Refining method for steel for decreasing generating amount of slag
GB1245055A (en) Manufacture of high-chromium steels
JPS5269812A (en) Preparation of ultra low carbon high cr steel
JPS52146711A (en) Operation of converter
JPS52106397A (en) Treatment of molten blast furnace slag
JPS5237510A (en) Dephosphorization method of molten cast iron
JPS5240419A (en) Process for melting and manufacturing steel of low hydrogen content
FR2123212A1 (en) Refinement and alloying of steel - in one furnace as one sequence of operations esp for stainless steel
JPS52101618A (en) Control of temp. and carbon content of molten steel in oxygen converte r
Grevillius et al. Operational Experience of the ASEA-SKF Ladle Furnace Process at Bofors Steelworks.(Retroactive Coverage)
SU485152A1 (en) Stainless steel smelting method
JPS51151211A (en) Vacuum ladle decarburization apparatus blowing oxidizing gas directly into molten steel at reduced pressur
ES399219A1 (en) Process for decarburization of steels
JPS5381417A (en) Vacuum degassing method for molten steel
JPS51136522A (en) Method of smelting with electric furnace for reduci ng and volatilizing zinc from slag
JPS5244715A (en) Continuous method of refining molten iron alloy by using alkali metal compoun
JPS53132417A (en) Control method for atmosphere inside heating furnace of nonoxidizing type
JPS52106314A (en) Preparation of ultra low hydrogen steel
JPS5253717A (en) Decarburization rgulating method of steel making arc furnace in oxidiz ing process of refining
JPS5343003A (en) Arc furnace operating method