EP2518175A4 - High-strength spring steel - Google Patents

High-strength spring steel

Info

Publication number
EP2518175A4
EP2518175A4 EP10839395.0A EP10839395A EP2518175A4 EP 2518175 A4 EP2518175 A4 EP 2518175A4 EP 10839395 A EP10839395 A EP 10839395A EP 2518175 A4 EP2518175 A4 EP 2518175A4
Authority
EP
European Patent Office
Prior art keywords
spring steel
strength spring
strength
steel
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
EP10839395.0A
Other languages
German (de)
French (fr)
Other versions
EP2518175B1 (en
EP2518175A1 (en
Inventor
Sayaka Nagamatsu
Tomotada Maruo
Nao Yoshihara
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel 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
Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of EP2518175A1 publication Critical patent/EP2518175A1/en
Publication of EP2518175A4 publication Critical patent/EP2518175A4/en
Application granted granted Critical
Publication of EP2518175B1 publication Critical patent/EP2518175B1/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
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium 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
    • 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
    • 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
    • C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
    • C21D7/06—Modifying the physical properties of iron or steel by deformation by cold working of the surface by shot-peening or the like
    • 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
    • C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous 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
    • C22C38/002—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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/18—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
    • C22C38/46—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
    • C22C38/18—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)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Articles (AREA)
  • Springs (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
EP10839395.0A 2009-12-22 2010-12-21 High-strength spring steel Active EP2518175B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009291143 2009-12-22
PCT/JP2010/073003 WO2011078165A1 (en) 2009-12-22 2010-12-21 High-strength spring steel

Publications (3)

Publication Number Publication Date
EP2518175A1 EP2518175A1 (en) 2012-10-31
EP2518175A4 true EP2518175A4 (en) 2015-12-02
EP2518175B1 EP2518175B1 (en) 2019-01-23

Family

ID=44195692

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10839395.0A Active EP2518175B1 (en) 2009-12-22 2010-12-21 High-strength spring steel

Country Status (8)

Country Link
US (2) US20120285585A1 (en)
EP (1) EP2518175B1 (en)
JP (2) JP6027302B2 (en)
KR (1) KR20120084810A (en)
CN (1) CN102482743B (en)
BR (1) BR112012014178A2 (en)
ES (1) ES2709515T3 (en)
WO (1) WO2011078165A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2811198B1 (en) * 2012-01-31 2019-03-20 Nhk Spring Co., Ltd. Ring-shaped spring and method for manufacturing same
JP2014198874A (en) 2013-03-29 2014-10-23 株式会社神戸製鋼所 Steel material excellent in corrosion resistance and magnetic properties and method of producing the same
JP6477007B2 (en) * 2015-02-26 2019-03-06 愛知製鋼株式会社 Leaf spring and manufacturing method thereof
CN105088081B (en) * 2015-08-28 2018-03-13 浙江美力汽车弹簧有限公司 The manufacturing process of stabiliser bar
CN105112774B (en) * 2015-08-28 2017-12-01 浙江美力科技股份有限公司 The air-cooled hardening spring steel of the low middle carbon microalloy of high-strength tenacity and its shaping and Technology for Heating Processing
KR101795277B1 (en) * 2016-06-21 2017-11-08 현대자동차주식회사 High strength spring steel having excellent corrosion resistance
KR101795278B1 (en) * 2016-06-21 2017-11-08 현대자동차주식회사 Ultra high strength spring steel
CN106011634A (en) * 2016-07-26 2016-10-12 路望培 Spring mechanical material and preparation method thereof
CN106636896A (en) * 2016-12-05 2017-05-10 武汉钢铁股份有限公司 High hardenability hot-rolled knife board steel
CN107354388B (en) * 2017-07-25 2019-03-01 西华大学 A kind of high-strength and high ductility bainite spring steel and its manufacturing method
JP2020076154A (en) * 2020-01-07 2020-05-21 日本発條株式会社 Method for producing spring for suspension
CN114134411B (en) * 2021-10-12 2022-07-29 江阴兴澄特种钢铁有限公司 Spheroidized annealed steel for low-temperature-resistant high-strength ball screw and manufacturing method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001049337A (en) * 1999-08-05 2001-02-20 Kobe Steel Ltd Production of high strength spring excellent in fatigue strength
JP2004263247A (en) * 2003-02-28 2004-09-24 Daido Steel Co Ltd Steel for cold-formed spring

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61276952A (en) * 1985-06-01 1986-12-06 Nissan Motor Co Ltd Tough and hard steel
JPS62267420A (en) * 1986-05-13 1987-11-20 Kobe Steel Ltd Manufacture of high tension and high toughness wire rod having superior delayed fracture resistance
JPH0830246B2 (en) * 1987-03-05 1996-03-27 大同特殊鋼株式会社 High strength spring steel
JPH0892696A (en) * 1994-09-26 1996-04-09 Nippon Steel Corp High strength bainitic rail
US5776267A (en) * 1995-10-27 1998-07-07 Kabushiki Kaisha Kobe Seiko Sho Spring steel with excellent resistance to hydrogen embrittlement and fatigue
JP3577411B2 (en) 1997-05-12 2004-10-13 新日本製鐵株式会社 High toughness spring steel
JP3409277B2 (en) * 1998-05-13 2003-05-26 株式会社神戸製鋼所 Rolled steel or bar steel for non-heat treated springs
JP3966493B2 (en) * 1999-05-26 2007-08-29 新日本製鐵株式会社 Cold forging wire and method for producing the same
JP3246733B2 (en) 1999-10-29 2002-01-15 三菱製鋼室蘭特殊鋼株式会社 High strength spring steel
JP3968011B2 (en) * 2002-05-27 2007-08-29 新日本製鐵株式会社 High strength steel excellent in low temperature toughness and weld heat affected zone toughness, method for producing the same and method for producing high strength steel pipe
JP4406341B2 (en) 2004-09-22 2010-01-27 Ｊｆｅ条鋼株式会社 Manufacturing method of high strength stabilizer with excellent toughness
CA2531615A1 (en) * 2004-12-28 2006-06-28 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) High strength thin steel sheet having high hydrogen embrittlement resisting property
JP4476863B2 (en) * 2005-04-11 2010-06-09 株式会社神戸製鋼所 Steel wire for cold forming springs with excellent corrosion resistance
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
JP4847988B2 (en) * 2007-07-20 2011-12-28 株式会社神戸製鋼所 Spring wire with excellent corrosion fatigue characteristics
JP5306845B2 (en) * 2009-02-12 2013-10-02 Ｊｆｅ条鋼株式会社 Steel for vehicle high strength stabilizer excellent in corrosion resistance and low temperature toughness, its manufacturing method and stabilizer
JP5324311B2 (en) * 2009-05-15 2013-10-23 株式会社神戸製鋼所 Hollow seamless pipe for high strength springs

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001049337A (en) * 1999-08-05 2001-02-20 Kobe Steel Ltd Production of high strength spring excellent in fatigue strength
JP2004263247A (en) * 2003-02-28 2004-09-24 Daido Steel Co Ltd Steel for cold-formed spring

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PECKNER D ET AL: "HANDBOOK OF STAINLESS STEELS, PASSAGE", HANDBOOK OF STAINLESS STEELS, XX, XX, 1 January 1977 (1977-01-01), pages 14.02, XP002053955 *
See also references of WO2011078165A1 *
SPIEKERMANN P: "LEGIERUNGEN - EIN BESONDERES PATENTRECHTLICHES PROBLEM? - LEGIERUNGSPRUEFUNG IM EUROPAEISCHEN PATENTAMT -", MITTEILUNGEN DER DEUTSCHEN PATENTANWAELTE, HEYMANN, KOLN, DE, 1 January 1993 (1993-01-01), pages 178 - 190, XP000961882, ISSN: 0026-6884 *

Also Published As

Publication number Publication date
CN102482743A (en) 2012-05-30
US20170022580A1 (en) 2017-01-26
ES2709515T3 (en) 2019-04-16
CN102482743B (en) 2014-12-24
US20120285585A1 (en) 2012-11-15
JP6027302B2 (en) 2016-11-16
JP2011149089A (en) 2011-08-04
BR112012014178A2 (en) 2016-07-05
KR20120084810A (en) 2012-07-30
EP2518175B1 (en) 2019-01-23
JP2015214754A (en) 2015-12-03
WO2011078165A1 (en) 2011-06-30
EP2518175A1 (en) 2012-10-31

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