EP3633051A4 - Method for manufacturing high manganese steel ingot - Google Patents

Method for manufacturing high manganese steel ingot Download PDF

Info

Publication number
EP3633051A4
EP3633051A4 EP18806216.0A EP18806216A EP3633051A4 EP 3633051 A4 EP3633051 A4 EP 3633051A4 EP 18806216 A EP18806216 A EP 18806216A EP 3633051 A4 EP3633051 A4 EP 3633051A4
Authority
EP
European Patent Office
Prior art keywords
steel ingot
manganese steel
high manganese
manufacturing high
manufacturing
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.)
Granted
Application number
EP18806216.0A
Other languages
German (de)
French (fr)
Other versions
EP3633051A1 (en
EP3633051B1 (en
Inventor
Yusuke Fujii
Yoshie Nakai
Nobuhiko Oda
Futoshi Ogasawara
Naoki Kikuchi
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.)
JFE Steel Corp
Original Assignee
JFE 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 JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP3633051A1 publication Critical patent/EP3633051A1/en
Publication of EP3633051A4 publication Critical patent/EP3633051A4/en
Application granted granted Critical
Publication of EP3633051B1 publication Critical patent/EP3633051B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C21C1/00—Refining of pig-iron; Cast iron
    • 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
    • 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
    • C21C7/0068—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by introducing material into a current of streaming metal
    • 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
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/06—Deoxidising, e.g. killing
    • 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
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/064—Dephosphorising; Desulfurising
    • 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
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/068—Decarburising
    • 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)
  • Multimedia (AREA)
  • Manufacturing & Machinery (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
EP18806216.0A 2017-05-25 2018-05-21 Method for manufacturing high manganese steel ingot Active EP3633051B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017103666 2017-05-25
PCT/JP2018/019526 WO2018216660A1 (en) 2017-05-25 2018-05-21 Method for manufacturing high manganese steel ingot

Publications (3)

Publication Number Publication Date
EP3633051A1 EP3633051A1 (en) 2020-04-08
EP3633051A4 true EP3633051A4 (en) 2020-04-08
EP3633051B1 EP3633051B1 (en) 2021-11-17

Family

ID=64396816

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18806216.0A Active EP3633051B1 (en) 2017-05-25 2018-05-21 Method for manufacturing high manganese steel ingot

Country Status (6)

Country Link
EP (1) EP3633051B1 (en)
JP (1) JP6551626B2 (en)
KR (1) KR102315999B1 (en)
CN (1) CN110621793A (en)
TW (1) TWI685577B (en)
WO (1) WO2018216660A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111621621B (en) * 2020-05-12 2022-03-22 首钢集团有限公司 Control method of Mn in molten steel in RH vacuum treatment process
CN115478222B (en) * 2022-09-26 2023-08-18 河南中原特钢装备制造有限公司 Nonmagnetic stainless steel with high purity and corrosion resistance and smelting method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0714989A1 (en) * 1993-06-30 1996-06-05 Nippon Steel Corporation Steel manufacturing method using converter
US20110000339A1 (en) * 2005-12-02 2011-01-06 Lutz Rose Method of producing steel with high manganese and low carbon content
US20160053350A1 (en) * 2013-04-11 2016-02-25 Posco Molten manganese-containing steel production method, holding furnace, and molten manganese-containing steel production equipment using holding furnace

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01225715A (en) * 1988-03-03 1989-09-08 Nkk Corp Production of high manganese steel
JPH01301815A (en) * 1988-05-30 1989-12-06 Sumitomo Metal Ind Ltd Smelting method of low carbon steel
JP2722899B2 (en) 1991-11-01 1998-03-09 住友金属工業株式会社 Decarburization refining method for high Mn steel
JP4534734B2 (en) 2004-11-29 2010-09-01 Ｊｆｅスチール株式会社 Melting method of low carbon high manganese steel
CN100434556C (en) * 2006-09-26 2008-11-19 山西太钢不锈钢股份有限公司 Method for adding Mn into high Mn content stainless steel in smelting process
JP4911298B2 (en) * 2006-10-17 2012-04-04 大同特殊鋼株式会社 Manufacturing method of high Mn steel
TW200920859A (en) * 2007-11-02 2009-05-16 Walsin Lihwa Corp Steelmaking method of separately refining manganese and chromium for high manganese stainless steel
JP5509876B2 (en) * 2010-01-26 2014-06-04 Ｊｆｅスチール株式会社 Melting method of low carbon high manganese steel
CN102168160B (en) * 2011-03-08 2013-04-17 武汉钢铁(集团)公司 Converter steelmaking technology for directly reducing-alloying manganese ore
JP5861825B2 (en) 2011-11-29 2016-02-16 Ｊｆｅスチール株式会社 Melting method of low carbon high manganese steel
JP5408369B2 (en) * 2012-01-19 2014-02-05 Ｊｆｅスチール株式会社 Hot metal pretreatment method
CN102965584B (en) * 2012-12-17 2014-11-05 山西太钢不锈钢股份有限公司 High-nitrogen high-manganese stainless steel and smelting method thereof
CN104109736B (en) * 2014-06-20 2018-05-04 宝钢不锈钢有限公司 A kind of method of 304 stainless steel of AOD converter smeltings
JP6269550B2 (en) * 2015-03-30 2018-01-31 Ｊｆｅスチール株式会社 Method for melting high manganese steel
CN105483314B (en) * 2016-01-04 2018-04-24 首钢总公司 A kind of control method for improving the residual manganese content of converter terminal

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0714989A1 (en) * 1993-06-30 1996-06-05 Nippon Steel Corporation Steel manufacturing method using converter
US20110000339A1 (en) * 2005-12-02 2011-01-06 Lutz Rose Method of producing steel with high manganese and low carbon content
US20160053350A1 (en) * 2013-04-11 2016-02-25 Posco Molten manganese-containing steel production method, holding furnace, and molten manganese-containing steel production equipment using holding furnace

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DONG SIK KIM ET AL: "IMPROVEMENT OF CLEANLINESS OF 16 % CR FERRITIC STAINLESS STEEL IN AOD PROCESSES//AMELIORATION DE LA PROPRETE D'ACIER INOXYDABLE FERRITIQUE A 16 % DE CR AU CONVERTISSEUR AOD", REVUE DE METALLURGIE- CAHIERS D'INFORMATIONS TECHNIQUES,, vol. 101, no. 4, 1 April 2004 (2004-04-01), pages 291 - 299, XP001196043, ISSN: 0035-1563 *
See also references of WO2018216660A1 *

Also Published As

Publication number Publication date
TW201900897A (en) 2019-01-01
KR20190142355A (en) 2019-12-26
EP3633051A1 (en) 2020-04-08
EP3633051B1 (en) 2021-11-17
JPWO2018216660A1 (en) 2019-06-27
CN110621793A (en) 2019-12-27
TWI685577B (en) 2020-02-21
JP6551626B2 (en) 2019-07-31
KR102315999B1 (en) 2021-10-21
WO2018216660A1 (en) 2018-11-29

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