EP3296409A4 - Method for producing steel material, apparatus for cooling steel material, and steel material - Google Patents

Method for producing steel material, apparatus for cooling steel material, and steel material Download PDF

Info

Publication number
EP3296409A4
EP3296409A4 EP16792616.1A EP16792616A EP3296409A4 EP 3296409 A4 EP3296409 A4 EP 3296409A4 EP 16792616 A EP16792616 A EP 16792616A EP 3296409 A4 EP3296409 A4 EP 3296409A4
Authority
EP
European Patent Office
Prior art keywords
steel material
cooling
producing
producing steel
cooling 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.)
Granted
Application number
EP16792616.1A
Other languages
German (de)
French (fr)
Other versions
EP3296409B1 (en
EP3296409A1 (en
Inventor
Kenji Okushiro
Hiroyuki Fukuda
Hideo Kijima
Yoshikazu Yoshida
Hiroshi Ishikawa
Sadanori Nakano
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 EP3296409A1 publication Critical patent/EP3296409A1/en
Publication of EP3296409A4 publication Critical patent/EP3296409A4/en
Application granted granted Critical
Publication of EP3296409B1 publication Critical patent/EP3296409B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/04—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rails
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
    • B21B1/085—Rail sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • 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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B21B2045/0212—Cooling devices, e.g. using gaseous coolants using gaseous coolants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
    • B21B2045/0221—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for structural sections, e.g. H-beams
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Heat Treatment Of Steel (AREA)
  • Metal Rolling (AREA)
EP16792616.1A 2015-05-14 2016-05-02 Method for producing steel material, apparatus for cooling steel material, and steel material Active EP3296409B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015099365 2015-05-14
PCT/JP2016/063603 WO2016181891A1 (en) 2015-05-14 2016-05-02 Method for producing steel material, apparatus for cooling steel material, and steel material

Publications (3)

Publication Number Publication Date
EP3296409A1 EP3296409A1 (en) 2018-03-21
EP3296409A4 true EP3296409A4 (en) 2018-05-30
EP3296409B1 EP3296409B1 (en) 2021-01-13

Family

ID=57247940

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16792616.1A Active EP3296409B1 (en) 2015-05-14 2016-05-02 Method for producing steel material, apparatus for cooling steel material, and steel material

Country Status (7)

Country Link
US (2) US20180327880A1 (en)
EP (1) EP3296409B1 (en)
JP (1) JP6380669B2 (en)
CN (1) CN107614708A (en)
AU (1) AU2016260101B9 (en)
BR (1) BR112017023115B1 (en)
WO (1) WO2016181891A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6555447B2 (en) * 2017-03-21 2019-08-07 Ｊｆｅスチール株式会社 Rail manufacturing method
US20200002780A1 (en) * 2017-03-21 2020-01-02 Jfe Steel Corporation Rail and method for producing same
CN113977211A (en) * 2021-10-28 2022-01-28 攀钢集团攀枝花钢铁研究院有限公司 Medium-strength steel rail and production method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0186373A2 (en) * 1984-12-24 1986-07-02 Nippon Steel Corporation Method of and apparatus for heat treating rails
US20150021836A1 (en) * 2012-02-06 2015-01-22 Jfe Steel Corporation Rail heat treatment device and rail heat treatment method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01104721A (en) * 1987-10-19 1989-04-21 Nippon Steel Corp Method for cooling high-temperature rail
JPH08260058A (en) * 1995-03-27 1996-10-08 Daido Steel Co Ltd Method for cooling steel
JP3945545B2 (en) * 1996-02-27 2007-07-18 Ｊｆｅスチール株式会社 Rail heat treatment method
JP4126908B2 (en) * 2001-12-28 2008-07-30 Ｊｆｅスチール株式会社 Steel cooling method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0186373A2 (en) * 1984-12-24 1986-07-02 Nippon Steel Corporation Method of and apparatus for heat treating rails
US20150021836A1 (en) * 2012-02-06 2015-01-22 Jfe Steel Corporation Rail heat treatment device and rail heat treatment method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2016181891A1 *

Also Published As

Publication number Publication date
AU2016260101B2 (en) 2019-03-07
JPWO2016181891A1 (en) 2017-09-07
US20220112571A1 (en) 2022-04-14
JP6380669B2 (en) 2018-08-29
AU2016260101B9 (en) 2019-03-28
WO2016181891A1 (en) 2016-11-17
BR112017023115B1 (en) 2022-04-12
BR112017023115A2 (en) 2018-07-10
US20180327880A1 (en) 2018-11-15
EP3296409B1 (en) 2021-01-13
EP3296409A1 (en) 2018-03-21
AU2016260101A1 (en) 2017-11-16
CN107614708A (en) 2018-01-19

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