GB1049183A - Improvements in or relating to melting treatment of ferrous metals - Google Patents

Improvements in or relating to melting treatment of ferrous metals

Info

Publication number
GB1049183A
GB1049183A GB3677463A GB3677463A GB1049183A GB 1049183 A GB1049183 A GB 1049183A GB 3677463 A GB3677463 A GB 3677463A GB 3677463 A GB3677463 A GB 3677463A GB 1049183 A GB1049183 A GB 1049183A
Authority
GB
United Kingdom
Prior art keywords
ferrous metals
relating
melting treatment
melt
hydrogen
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.)
Expired
Application number
GB3677463A
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 Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of GB1049183A publication Critical patent/GB1049183A/en
Expired 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Soft Magnetic Materials (AREA)

Abstract

Ferrous metals and alloys are refined by melting in a sealed vessel maintained at a pressure of 50-30mm of mercury, while hydrogen is blown on to the surface of or into the melt; the supply of hydrogen is terminated shortly before the completion in order to expose the melt to vacuum.
GB3677463A 1962-09-21 1963-09-18 Improvements in or relating to melting treatment of ferrous metals Expired GB1049183A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP37040804A JPS4811448B1 (en) 1962-09-21 1962-09-21

Publications (1)

Publication Number Publication Date
GB1049183A true GB1049183A (en) 1966-11-23

Family

ID=12590808

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3677463A Expired GB1049183A (en) 1962-09-21 1963-09-18 Improvements in or relating to melting treatment of ferrous metals

Country Status (2)

Country Link
JP (1) JPS4811448B1 (en)
GB (1) GB1049183A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0340893A1 (en) * 1988-05-02 1989-11-08 William M. Tekatch Removal of nitrogen from iron

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5289888U (en) * 1975-12-27 1977-07-05
JPH0395864U (en) * 1990-01-19 1991-09-30

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0340893A1 (en) * 1988-05-02 1989-11-08 William M. Tekatch Removal of nitrogen from iron

Also Published As

Publication number Publication date
JPS4811448B1 (en) 1973-04-13

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