EP2832891A4 - Steel wire rod with excellent shavability for high-strength spring, and high-strength spring - Google Patents

Steel wire rod with excellent shavability for high-strength spring, and high-strength spring

Info

Publication number
EP2832891A4
EP2832891A4 EP13768751.3A EP13768751A EP2832891A4 EP 2832891 A4 EP2832891 A4 EP 2832891A4 EP 13768751 A EP13768751 A EP 13768751A EP 2832891 A4 EP2832891 A4 EP 2832891A4
Authority
EP
European Patent Office
Prior art keywords
strength spring
shavability
steel wire
wire rod
strength
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
EP13768751.3A
Other languages
German (de)
French (fr)
Other versions
EP2832891A1 (en
EP2832891B1 (en
Inventor
Hiroshi Oura
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 EP2832891A1 publication Critical patent/EP2832891A1/en
Publication of EP2832891A4 publication Critical patent/EP2832891A4/en
Application granted granted Critical
Publication of EP2832891B1 publication Critical patent/EP2832891B1/en
Not-in-force 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
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
    • 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
    • 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
    • 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
    • C22C38/04—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
    • C22C38/20—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
    • C22C38/26—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
    • 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
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • 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
    • 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
    • C21D2211/009—Pearlite

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)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
  • Springs (AREA)
EP13768751.3A 2012-03-30 2013-03-25 Steel wire rod with excellent shavability for high-strength spring, and high-strength spring Not-in-force EP2832891B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012083005A JP5796782B2 (en) 2012-03-30 2012-03-30 High strength spring steel wire rod and high strength spring with excellent skin machinability
PCT/JP2013/058564 WO2013146675A1 (en) 2012-03-30 2013-03-25 Steel wire rod with excellent shavability for high-strength spring, and high-strength spring

Publications (3)

Publication Number Publication Date
EP2832891A1 EP2832891A1 (en) 2015-02-04
EP2832891A4 true EP2832891A4 (en) 2016-04-27
EP2832891B1 EP2832891B1 (en) 2019-02-20

Family

ID=49259926

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13768751.3A Not-in-force EP2832891B1 (en) 2012-03-30 2013-03-25 Steel wire rod with excellent shavability for high-strength spring, and high-strength spring

Country Status (6)

Country Link
EP (1) EP2832891B1 (en)
JP (1) JP5796782B2 (en)
KR (1) KR101601582B1 (en)
CN (1) CN104169453B (en)
MX (1) MX2014011610A (en)
WO (1) WO2013146675A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6208611B2 (en) 2014-03-31 2017-10-04 株式会社神戸製鋼所 High strength steel with excellent fatigue properties
JP6479527B2 (en) 2015-03-27 2019-03-06 株式会社神戸製鋼所 Bolt wire with excellent pickling property and delayed fracture resistance after quenching and tempering, and bolt
JP6453138B2 (en) * 2015-03-31 2019-01-16 株式会社神戸製鋼所 Heat-treated steel wire with excellent bending workability
JP6453693B2 (en) * 2015-03-31 2019-01-16 株式会社神戸製鋼所 Heat treated steel wire with excellent fatigue characteristics
CN110573638A (en) * 2017-03-28 2019-12-13 住友电气工业株式会社 Wire and spring
KR102020385B1 (en) 2017-09-29 2019-11-04 주식회사 포스코 Steel wire rod and steel wire for spring having corrosion fatigue resistance and method of manufacturing thereof
KR102120699B1 (en) * 2018-08-21 2020-06-09 주식회사 포스코 Wire rod and steel wire for spring with improved toughness and corrosion fatigue resistance and method for manufacturing the same
MX2021008968A (en) * 2019-02-26 2021-08-24 Bekaert Sa Nv Helical compression spring for an actuator for opening and closing a door or a tailgate of a car.

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6322641B1 (en) * 1999-04-06 2001-11-27 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel Ltd.) High-carbon steel wire superior in resistance to longitudinal cracking, steel product for the same, and process for production of the same
US20060048864A1 (en) * 2002-09-26 2006-03-09 Mamoru Nagao Hot milled wire rod excelling in wire drawability and enabling avoiding heat treatment before wire drawing
EP1698712A1 (en) * 2005-03-03 2006-09-06 Kabushiki Kaisha Kobe Seiko Sho Steels for high-strength springs excellent in cold workability and quality stability
EP1865079A1 (en) * 2006-06-06 2007-12-12 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Wire rod excellent in wire-drawing workability and method for producing same
EP1897964A1 (en) * 2005-06-29 2008-03-12 Nippon Steel Corporation High-strength wire rod excelling in wire drawing performance and process for producing the same
EP2083094A1 (en) * 2006-10-12 2009-07-29 Nippon Steel Corporation High-strength steel wire excelling in ductility and process for producing the same
CN101928892A (en) * 2010-08-27 2010-12-29 南京钢铁股份有限公司 Spring steel round steel and production process thereof
WO2012029812A1 (en) * 2010-08-30 2012-03-08 株式会社神戸製鋼所 Steel wire material for high-strength spring which has excellent wire-drawing properties and process for production thereof, and high-strength spring

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2932943B2 (en) * 1993-11-04 1999-08-09 株式会社神戸製鋼所 High corrosion resistance and high strength steel for springs
JP3599551B2 (en) * 1998-01-09 2004-12-08 株式会社神戸製鋼所 Wire with excellent drawability
JP2000239797A (en) 1998-12-21 2000-09-05 Kobe Steel Ltd Steel for spring excellent in workability and production of steel wire for spring
JP3739958B2 (en) 1999-03-09 2006-01-25 新日本製鐵株式会社 Steel with excellent machinability and its manufacturing method
JP4310359B2 (en) * 2006-10-31 2009-08-05 株式会社神戸製鋼所 Steel wire for hard springs with excellent fatigue characteristics and wire drawability
CN101624679B (en) * 2007-07-20 2011-08-17 株式会社神户制钢所 Steel wire material for spring and its producing method
JP5121360B2 (en) * 2007-09-10 2013-01-16 株式会社神戸製鋼所 Spring steel wire rod excellent in decarburization resistance and wire drawing workability, and method for producing the same
JP5329272B2 (en) 2009-03-19 2013-10-30 株式会社神戸製鋼所 Spring steel

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6322641B1 (en) * 1999-04-06 2001-11-27 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel Ltd.) High-carbon steel wire superior in resistance to longitudinal cracking, steel product for the same, and process for production of the same
US20060048864A1 (en) * 2002-09-26 2006-03-09 Mamoru Nagao Hot milled wire rod excelling in wire drawability and enabling avoiding heat treatment before wire drawing
EP1698712A1 (en) * 2005-03-03 2006-09-06 Kabushiki Kaisha Kobe Seiko Sho Steels for high-strength springs excellent in cold workability and quality stability
EP1897964A1 (en) * 2005-06-29 2008-03-12 Nippon Steel Corporation High-strength wire rod excelling in wire drawing performance and process for producing the same
EP1865079A1 (en) * 2006-06-06 2007-12-12 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Wire rod excellent in wire-drawing workability and method for producing same
EP2083094A1 (en) * 2006-10-12 2009-07-29 Nippon Steel Corporation High-strength steel wire excelling in ductility and process for producing the same
CN101928892A (en) * 2010-08-27 2010-12-29 南京钢铁股份有限公司 Spring steel round steel and production process thereof
WO2012029812A1 (en) * 2010-08-30 2012-03-08 株式会社神戸製鋼所 Steel wire material for high-strength spring which has excellent wire-drawing properties and process for production thereof, and high-strength spring

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013146675A1 *

Also Published As

Publication number Publication date
KR20140129262A (en) 2014-11-06
KR101601582B1 (en) 2016-03-08
CN104169453B (en) 2016-03-30
CN104169453A (en) 2014-11-26
EP2832891A1 (en) 2015-02-04
JP2013213238A (en) 2013-10-17
MX2014011610A (en) 2014-10-17
WO2013146675A1 (en) 2013-10-03
EP2832891B1 (en) 2019-02-20
JP5796782B2 (en) 2015-10-21

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