JPS5252109A - Proces and equipment for refining molten metal under reduced pressure - Google Patents

Proces and equipment for refining molten metal under reduced pressure

Info

Publication number
JPS5252109A
JPS5252109A JP12870375A JP12870375A JPS5252109A JP S5252109 A JPS5252109 A JP S5252109A JP 12870375 A JP12870375 A JP 12870375A JP 12870375 A JP12870375 A JP 12870375A JP S5252109 A JPS5252109 A JP S5252109A
Authority
JP
Japan
Prior art keywords
reduced pressure
proces
equipment
under reduced
molten metal
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
JP12870375A
Other languages
Japanese (ja)
Inventor
Masataka Yoshii
Satomi Yamamoto
Takeshi Hiromoto
Kazumasa Umezawa
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 JP12870375A priority Critical patent/JPS5252109A/en
Publication of JPS5252109A publication Critical patent/JPS5252109A/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
    • C21C7/10—Handling in a vacuum

Abstract

PURPOSE:To develop a process and equipemnt for reduced pressure refining of high carbon steel containing Cr, low carbon stainless steel as well as for decarbonization, desulfurization, deoxidation.degassing of usual special steel.
JP12870375A 1975-10-24 1975-10-24 Proces and equipment for refining molten metal under reduced pressure Pending JPS5252109A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12870375A JPS5252109A (en) 1975-10-24 1975-10-24 Proces and equipment for refining molten metal under reduced pressure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12870375A JPS5252109A (en) 1975-10-24 1975-10-24 Proces and equipment for refining molten metal under reduced pressure

Publications (1)

Publication Number Publication Date
JPS5252109A true JPS5252109A (en) 1977-04-26

Family

ID=14991326

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12870375A Pending JPS5252109A (en) 1975-10-24 1975-10-24 Proces and equipment for refining molten metal under reduced pressure

Country Status (1)

Country Link
JP (1) JPS5252109A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6244519A (en) * 1985-08-23 1987-02-26 Nippon Steel Corp Vacuum degassing vessel for molten steel
JPS62146213A (en) * 1985-12-20 1987-06-30 Nippon Steel Corp Decarburization method for high chromium steel under reduced pressure
JPH10147811A (en) * 1996-11-18 1998-06-02 Sumitomo Metal Ind Ltd Method for vacuum-refining molten steel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6244519A (en) * 1985-08-23 1987-02-26 Nippon Steel Corp Vacuum degassing vessel for molten steel
JPS62146213A (en) * 1985-12-20 1987-06-30 Nippon Steel Corp Decarburization method for high chromium steel under reduced pressure
JPH0582449B2 (en) * 1985-12-20 1993-11-19 Nippon Steel Corp
JPH10147811A (en) * 1996-11-18 1998-06-02 Sumitomo Metal Ind Ltd Method for vacuum-refining molten steel

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