EP3540082A4 - Sulfur additive for molten steel, and method for manufacturing sulfur-added steel - Google Patents

Sulfur additive for molten steel, and method for manufacturing sulfur-added steel Download PDF

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Publication number
EP3540082A4
EP3540082A4 EP17870071.2A EP17870071A EP3540082A4 EP 3540082 A4 EP3540082 A4 EP 3540082A4 EP 17870071 A EP17870071 A EP 17870071A EP 3540082 A4 EP3540082 A4 EP 3540082A4
Authority
EP
European Patent Office
Prior art keywords
sulfur
steel
manufacturing
additive
molten steel
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.)
Withdrawn
Application number
EP17870071.2A
Other languages
German (de)
French (fr)
Other versions
EP3540082A1 (en
Inventor
Hajime Hasegawa
Susumu Kudo
Mitsuhiro Matsushima
Tetsuro SEKIUCHI
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
Priority claimed from JP2016219986A external-priority patent/JP6848369B2/en
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of EP3540082A1 publication Critical patent/EP3540082A1/en
Publication of EP3540082A4 publication Critical patent/EP3540082A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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
    • C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
EP17870071.2A 2016-11-10 2017-06-13 Sulfur additive for molten steel, and method for manufacturing sulfur-added steel Withdrawn EP3540082A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016219986A JP6848369B2 (en) 2015-11-27 2016-11-10 Sulfur-added raw material to molten steel and manufacturing method of sulfur-added steel
PCT/JP2017/021869 WO2018087953A1 (en) 2015-11-27 2017-06-13 Sulfur additive for molten steel, and method for manufacturing sulfur-added steel

Publications (2)

Publication Number Publication Date
EP3540082A1 EP3540082A1 (en) 2019-09-18
EP3540082A4 true EP3540082A4 (en) 2020-06-03

Family

ID=67623377

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17870071.2A Withdrawn EP3540082A4 (en) 2016-11-10 2017-06-13 Sulfur additive for molten steel, and method for manufacturing sulfur-added steel

Country Status (1)

Country Link
EP (1) EP3540082A4 (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3849125A (en) * 1973-03-26 1974-11-19 Finkl & Sons Co Method of sulphur addition fume control
JPH06100978A (en) * 1992-09-22 1994-04-12 Nippon Steel Corp Free cutting low carbon resurfurized steel by continuous casting process
JPH10102119A (en) * 1996-09-26 1998-04-21 Sumitomo Metal Ind Ltd Production of sulfur free-cutting steel resulfurized carbon steel
RU2127323C1 (en) * 1997-12-29 1999-03-10 Акционерное общество открытого типа "Череповецкий сталепрокатный завод" Method of steel alloying with sulfur
US20110017018A1 (en) * 2008-03-03 2011-01-27 Affival Novel additive for treating resulphurized steel
JP2014234543A (en) * 2013-06-04 2014-12-15 日本冶金工業株式会社 Method of manufacturing s-containing steel
CN104232842A (en) * 2014-09-01 2014-12-24 浙江青山钢铁有限公司 Method of increasing sulfur hit rate of sulfur-containing free-cutting stainless steel prepared by argon-oxygen decarburization process
KR20150027857A (en) * 2013-08-28 2015-03-13 현대제철 주식회사 Method for refining ultra low carbon steel

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3849125A (en) * 1973-03-26 1974-11-19 Finkl & Sons Co Method of sulphur addition fume control
JPH06100978A (en) * 1992-09-22 1994-04-12 Nippon Steel Corp Free cutting low carbon resurfurized steel by continuous casting process
JPH10102119A (en) * 1996-09-26 1998-04-21 Sumitomo Metal Ind Ltd Production of sulfur free-cutting steel resulfurized carbon steel
RU2127323C1 (en) * 1997-12-29 1999-03-10 Акционерное общество открытого типа "Череповецкий сталепрокатный завод" Method of steel alloying with sulfur
US20110017018A1 (en) * 2008-03-03 2011-01-27 Affival Novel additive for treating resulphurized steel
JP2014234543A (en) * 2013-06-04 2014-12-15 日本冶金工業株式会社 Method of manufacturing s-containing steel
KR20150027857A (en) * 2013-08-28 2015-03-13 현대제철 주식회사 Method for refining ultra low carbon steel
CN104232842A (en) * 2014-09-01 2014-12-24 浙江青山钢铁有限公司 Method of increasing sulfur hit rate of sulfur-containing free-cutting stainless steel prepared by argon-oxygen decarburization process

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018087953A1 *

Also Published As

Publication number Publication date
EP3540082A1 (en) 2019-09-18

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