EP3336214A4 - High-strength spring, method for producing same, steel for high-strength spring, and method for producing same - Google Patents

High-strength spring, method for producing same, steel for high-strength spring, and method for producing same Download PDF

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Publication number
EP3336214A4
EP3336214A4 EP17835988.1A EP17835988A EP3336214A4 EP 3336214 A4 EP3336214 A4 EP 3336214A4 EP 17835988 A EP17835988 A EP 17835988A EP 3336214 A4 EP3336214 A4 EP 3336214A4
Authority
EP
European Patent Office
Prior art keywords
producing same
strength spring
steel
strength
spring
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
EP17835988.1A
Other languages
German (de)
French (fr)
Other versions
EP3336214B1 (en
EP3336214A1 (en
Inventor
Motoki Watanabe
Koki MINOGUCHI
Hiroyuki Oishi
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.)
Mitsubishi Steel Mfg Co Ltd
Original Assignee
Mitsubishi Steel Mfg Co Ltd
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 JP2017095054A external-priority patent/JP6356309B1/en
Application filed by Mitsubishi Steel Mfg Co Ltd filed Critical Mitsubishi Steel Mfg Co Ltd
Publication of EP3336214A1 publication Critical patent/EP3336214A1/en
Publication of EP3336214A4 publication Critical patent/EP3336214A4/en
Application granted granted Critical
Publication of EP3336214B1 publication Critical patent/EP3336214B1/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
    • C22C38/56—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.7% by weight of carbon
    • 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
    • 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
    • C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
    • 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
    • C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
    • 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
    • C22C38/02—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
    • C22C38/18—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
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • 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
    • C21D2211/004—Dispersions; Precipitations

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
EP17835988.1A 2016-10-19 2017-06-01 High-strength spring, method for producing same, steel for high-strength spring, and method for producing same Active EP3336214B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2016205535 2016-10-19
JP2017061981 2017-03-27
JP2017095054A JP6356309B1 (en) 2016-10-19 2017-05-11 High-strength spring, method for manufacturing the same, steel for high-strength spring, and method for manufacturing the same
PCT/JP2017/020501 WO2018074003A1 (en) 2016-10-19 2017-06-01 High-strength spring, method for producing same, steel for high-strength spring, and method for producing same

Publications (3)

Publication Number Publication Date
EP3336214A1 EP3336214A1 (en) 2018-06-20
EP3336214A4 true EP3336214A4 (en) 2018-09-26
EP3336214B1 EP3336214B1 (en) 2020-05-13

Family

ID=62019104

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17835988.1A Active EP3336214B1 (en) 2016-10-19 2017-06-01 High-strength spring, method for producing same, steel for high-strength spring, and method for producing same

Country Status (5)

Country Link
EP (1) EP3336214B1 (en)
KR (1) KR101947973B1 (en)
CN (1) CN115125455A (en)
BR (1) BR112018003077B1 (en)
WO (1) WO2018074003A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI747610B (en) * 2020-11-13 2021-11-21 中國鋼鐵股份有限公司 Detection method of silo weighing system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10110247A (en) * 1995-10-27 1998-04-28 Kobe Steel Ltd Spring steel excellent in hydrogen embrittlement resistance and fatigue characteristic
EP1096031A2 (en) * 1999-10-29 2001-05-02 Mitsubishi Steel Muroran Inc. High-strength spring steel
JP2016125119A (en) * 2015-01-07 2016-07-11 株式会社神戸製鋼所 Hollow seamless steel pipe for spring

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2898472B2 (en) * 1992-05-26 1999-06-02 株式会社 神戸製鋼所 Spring steel, spring steel wire and spring with excellent fatigue properties
US5776267A (en) * 1995-10-27 1998-07-07 Kabushiki Kaisha Kobe Seiko Sho Spring steel with excellent resistance to hydrogen embrittlement and fatigue
JP4464524B2 (en) 2000-04-05 2010-05-19 新日本製鐵株式会社 Spring steel excellent in hydrogen fatigue resistance and method for producing the same
JP4008391B2 (en) * 2003-07-11 2007-11-14 株式会社神戸製鋼所 High strength steel with excellent hydrogen embrittlement resistance and method for producing the same
ES2524326T3 (en) * 2004-08-26 2014-12-05 Daido Tokushuko Kabushiki Kaisha High strength spring and method for manufacturing it
JP5064060B2 (en) * 2007-02-22 2012-10-31 新日本製鐵株式会社 Steel wire for high-strength spring, high-strength spring, and manufacturing method thereof
JP5146063B2 (en) * 2007-04-12 2013-02-20 新日鐵住金株式会社 High strength steel with excellent internal fatigue damage resistance and method for producing the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10110247A (en) * 1995-10-27 1998-04-28 Kobe Steel Ltd Spring steel excellent in hydrogen embrittlement resistance and fatigue characteristic
EP1096031A2 (en) * 1999-10-29 2001-05-02 Mitsubishi Steel Muroran Inc. High-strength spring steel
JP2016125119A (en) * 2015-01-07 2016-07-11 株式会社神戸製鋼所 Hollow seamless steel pipe for spring

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018074003A1 *

Also Published As

Publication number Publication date
EP3336214B1 (en) 2020-05-13
EP3336214A1 (en) 2018-06-20
KR101947973B1 (en) 2019-02-13
BR112018003077A2 (en) 2018-10-02
BR112018003077B1 (en) 2023-01-17
KR20180050305A (en) 2018-05-14
CN115125455A (en) 2022-09-30
WO2018074003A1 (en) 2018-04-26

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