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EP2985361A4 - STEEL OBTAINED BY CURING BY AGING - Google Patents

STEEL OBTAINED BY CURING BY AGING

Info

Publication number
EP2985361A4
EP2985361A4 EP14850316.2A EP14850316A EP2985361A4 EP 2985361 A4 EP2985361 A4 EP 2985361A4 EP 14850316 A EP14850316 A EP 14850316A EP 2985361 A4 EP2985361 A4 EP 2985361A4
Authority
EP
European Patent Office
Prior art keywords
aging
curing
steel obtained
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
EP14850316.2A
Other languages
German (de)
French (fr)
Other versions
EP2985361B1 (en
EP2985361A1 (en
Inventor
Masato Yuya
Masashi Higashida
Hitoshi Matsumoto
Tatsuya Hasegawa
Yutaka Neishi
Taizo Makino
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 and Sumitomo Metal 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 Steel and Sumitomo Metal Corp filed Critical Nippon Steel and Sumitomo Metal Corp
Publication of EP2985361A1 publication Critical patent/EP2985361A1/en
Publication of EP2985361A4 publication Critical patent/EP2985361A4/en
Application granted granted Critical
Publication of EP2985361B1 publication Critical patent/EP2985361B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • 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
    • C21D1/06—Surface hardening
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • C21D9/0075—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rods of limited length
    • 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • C22C38/06—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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/22—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
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/18—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
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40—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
    • C22C38/60—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
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/002—Bainite
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires

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 Steel (AREA)
  • Manufacturing & Machinery (AREA)
EP14850316.2A 2013-10-02 2014-10-01 Age-hardening steel Active EP2985361B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013207125 2013-10-02
PCT/JP2014/076260 WO2015050151A1 (en) 2013-10-02 2014-10-01 Age-hardening steel

Publications (3)

Publication Number Publication Date
EP2985361A1 EP2985361A1 (en) 2016-02-17
EP2985361A4 true EP2985361A4 (en) 2016-11-30
EP2985361B1 EP2985361B1 (en) 2018-03-14

Family

ID=52778739

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14850316.2A Active EP2985361B1 (en) 2013-10-02 2014-10-01 Age-hardening steel

Country Status (7)

Country Link
US (1) US20160201175A1 (en)
EP (1) EP2985361B1 (en)
JP (1) JP5880795B2 (en)
KR (1) KR101709883B1 (en)
CN (1) CN105164297B (en)
HU (1) HUE037998T2 (en)
WO (1) WO2015050151A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109093099A (en) * 2018-09-30 2018-12-28 宁波市镇海甬鼎紧固件制造有限公司 A kind of low temperature resistant high-strength nut and its production method
CN110257713A (en) * 2019-07-16 2019-09-20 内蒙古科技大学 A kind of low-carbon aged steel and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5601667A (en) * 1993-10-12 1997-02-11 Nippon Steel Corporation Process for producing hot forged steel having excellent fatigue strength, yield strength, and machinability
US20060225814A1 (en) * 2005-04-12 2006-10-12 Honda Motor Co., Ltd. Crankshaft and method for manufacturing same
EP2578717A1 (en) * 2010-11-17 2013-04-10 Nippon Steel & Sumitomo Metal Corporation Steel for nitriding purposes, and nitrided member
JP2013166997A (en) * 2012-02-15 2013-08-29 Jfe Bars & Shapes Corp Steel material for nitriding and nitrided member using the same

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1163942A (en) * 1996-02-08 1997-11-05 阿斯克迈塔尔公司 Steel for manufacturing forgings and method for manufacturing forgings
EP1498506B1 (en) * 2000-05-26 2006-06-28 JFE Steel Corporation High tensile strength cold-rolled steel sheet having a high r-value, excellent strain age hardenability and natural aging resistance and method of producing the same
JP4041413B2 (en) * 2002-08-27 2008-01-30 株式会社神戸製鋼所 Machine structural steel having excellent chip disposal and manufacturing method thereof
JP2004169055A (en) * 2002-11-15 2004-06-17 Aichi Steel Works Ltd Age-hardened high-strength bainite steel part with excellent machinability and method for producing the same
FR2847910B1 (en) * 2002-12-03 2006-06-02 Ascometal Sa METHOD FOR MANUFACTURING A FORGED STEEL PIECE AND PART THUS OBTAINED
JP4415219B2 (en) 2004-07-28 2010-02-17 大同特殊鋼株式会社 Age hardened steel
JP5251089B2 (en) * 2006-12-04 2013-07-31 新日鐵住金株式会社 Welded steel pipe for high-strength thick-walled line pipe excellent in low-temperature toughness and manufacturing method
WO2010090238A1 (en) 2009-02-04 2010-08-12 住友金属工業株式会社 Age hardenable steel and method for producing mechanical parts
JP5655366B2 (en) * 2010-05-07 2015-01-21 大同特殊鋼株式会社 Bainite steel
JP5387501B2 (en) * 2010-05-17 2014-01-15 新日鐵住金株式会社 Steel sheet, surface-treated steel sheet, and production method thereof
JP5343923B2 (en) 2010-05-18 2013-11-13 新日鐵住金株式会社 Method of manufacturing age-hardening steel and machine parts
JP5664371B2 (en) * 2011-03-17 2015-02-04 新日鐵住金株式会社 Method of manufacturing age-hardening steel and machine parts
CN103201401B (en) 2011-05-26 2014-07-02 新日铁住金株式会社 Steel component for mechanical structural use and manufacturing method for same
JP5620336B2 (en) * 2011-05-26 2014-11-05 新日鐵住金株式会社 Steel parts for high fatigue strength and high toughness machine structure and manufacturing method thereof
JP5974623B2 (en) * 2012-05-07 2016-08-23 大同特殊鋼株式会社 Age-hardening bainite non-tempered steel
KR20130021427A (en) * 2013-01-16 2013-03-05 최기웅 Process for timebomb service

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5601667A (en) * 1993-10-12 1997-02-11 Nippon Steel Corporation Process for producing hot forged steel having excellent fatigue strength, yield strength, and machinability
US20060225814A1 (en) * 2005-04-12 2006-10-12 Honda Motor Co., Ltd. Crankshaft and method for manufacturing same
EP2578717A1 (en) * 2010-11-17 2013-04-10 Nippon Steel & Sumitomo Metal Corporation Steel for nitriding purposes, and nitrided member
JP2013166997A (en) * 2012-02-15 2013-08-29 Jfe Bars & Shapes Corp Steel material for nitriding and nitrided member using the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2015050151A1 *

Also Published As

Publication number Publication date
CN105164297B (en) 2017-05-24
HUE037998T2 (en) 2018-09-28
CN105164297A (en) 2015-12-16
JPWO2015050151A1 (en) 2017-03-09
EP2985361B1 (en) 2018-03-14
WO2015050151A1 (en) 2015-04-09
US20160201175A1 (en) 2016-07-14
JP5880795B2 (en) 2016-03-09
KR101709883B1 (en) 2017-02-23
KR20150110804A (en) 2015-10-02
EP2985361A1 (en) 2016-02-17

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