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Patent Searching and Data


Title:
PRODUCTION METHOD FOR MARAGING STEEL AND PRODUCTION METHOD FOR MARAGING STEEL CONSUMABLE ELECTRODE
Document Type and Number:
WIPO Patent Application WO/2016/010073
Kind Code:
A1
Abstract:
The present invention provides a maraging steel production method in which an oxide is added during an Mg oxide formation step, said production method including: the MG oxide formation step in which Mg is added to molten steel and MgO is formed in the molten steel, during primary melting; a consumable electrode production step in which, after the Mg oxide formation step, the molten steel is solidified and a consumable electrode having residual MgO is obtained; and a vacuum arc re-melting step in which the consumable electrode is used and vacuum arc re-melting is performed.

Inventors:
KAMIMURA TAKAHIKO (JP)
HADANO YUUICHI (JP)
IMAZEKI KENTA (JP)
OHISHI KATSUHIKO (JP)
Application Number:
JP2015/070268
Publication Date:
January 21, 2016
Filing Date:
July 15, 2015
Export Citation:
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Assignee:
HITACHI METALS LTD (JP)
International Classes:
C21C7/00; C21C7/04; C22B9/20
Domestic Patent References:
WO2005035798A12005-04-21
Foreign References:
JP2004183097A2004-07-02
JPS5431017A1979-03-07
Other References:
See also references of EP 3170911A4
Attorney, Agent or Firm:
ASAMURA PATENT OFFICE, p. c. (JP)
Patent business corporation Asamura patent firm (JP)
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