EP1731625A4 - Steel wire for spring - Google Patents

Steel wire for spring

Info

Publication number
EP1731625A4
EP1731625A4 EP05709768A EP05709768A EP1731625A4 EP 1731625 A4 EP1731625 A4 EP 1731625A4 EP 05709768 A EP05709768 A EP 05709768A EP 05709768 A EP05709768 A EP 05709768A EP 1731625 A4 EP1731625 A4 EP 1731625A4
Authority
EP
European Patent Office
Prior art keywords
spring
steel wire
wire
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
EP05709768A
Other languages
German (de)
French (fr)
Other versions
EP1731625B1 (en
EP1731625A1 (en
Inventor
Yoshiro Fujino
Nozomu Kawabe
Teruyuki Murai
Norihito Yamao
Takayuki Shiwaku
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo SEI Steel Wire 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 Sumitomo SEI Steel Wire Corp filed Critical Sumitomo SEI Steel Wire Corp
Publication of EP1731625A1 publication Critical patent/EP1731625A1/en
Publication of EP1731625A4 publication Critical patent/EP1731625A4/en
Application granted granted Critical
Publication of EP1731625B1 publication Critical patent/EP1731625B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18Hardening; Quenching with or without subsequent tempering
    • C21D1/19Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C21D1/20Isothermal quenching, e.g. bainitic hardening
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18Hardening; Quenching with or without subsequent tempering
    • C21D1/25Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/06Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • C21D8/065Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/02Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/30Ferrous alloys, e.g. steel alloys containing chromium with cobalt
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18Hardening; Quenching with or without subsequent tempering
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/008Martensite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/525Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
EP05709768.5A 2004-02-04 2005-02-04 Steel wire for spring Expired - Fee Related EP1731625B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004027891A JP4357977B2 (en) 2004-02-04 2004-02-04 Steel wire for spring
PCT/JP2005/001703 WO2005075695A1 (en) 2004-02-04 2005-02-04 Steel wire for spring

Publications (3)

Publication Number Publication Date
EP1731625A1 EP1731625A1 (en) 2006-12-13
EP1731625A4 true EP1731625A4 (en) 2012-03-28
EP1731625B1 EP1731625B1 (en) 2019-10-09

Family

ID=34835907

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05709768.5A Expired - Fee Related EP1731625B1 (en) 2004-02-04 2005-02-04 Steel wire for spring

Country Status (6)

Country Link
US (1) US20080271824A1 (en)
EP (1) EP1731625B1 (en)
JP (1) JP4357977B2 (en)
KR (1) KR101096888B1 (en)
CN (1) CN100449026C (en)
WO (1) WO2005075695A1 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0702836B1 (en) * 2006-03-31 2014-05-27 Nippon Steel & Sumitomo Metal Corp THERMAL TREATED STEEL FOR SPRINGS
EP2351864B1 (en) * 2008-11-17 2016-08-10 Research Institute for Electromagnetic Materials Process for producing a high-hardness constant-modulus alloy insensitive to magnetism, hair spring, mechanical driving device and watch
DE102009042954A1 (en) * 2009-09-24 2011-04-07 Webasto Ag Control rod for an adjustable closing element of a vehicle roof
US8789817B2 (en) * 2009-09-29 2014-07-29 Chuo Hatsujo Kabushiki Kaisha Spring steel and spring having superior corrosion fatigue strength
JP5711539B2 (en) 2011-01-06 2015-05-07 中央発條株式会社 Spring with excellent corrosion fatigue strength
KR101289104B1 (en) 2011-11-08 2013-07-23 주식회사 포스코 Wire rod, steel wire and manufacturing method of steel wire
JP6208611B2 (en) 2014-03-31 2017-10-04 株式会社神戸製鋼所 High strength steel with excellent fatigue properties
WO2016001706A1 (en) * 2014-07-03 2016-01-07 Arcelormittal Method for producing a high strength steel sheet having improved strength and formability and obtained sheet
JP6461360B2 (en) * 2015-09-04 2019-01-30 新日鐵住金株式会社 Spring steel wire and spring
CN105648332A (en) * 2016-01-27 2016-06-08 太仓捷公精密金属材料有限公司 High-performance spring steel
KR102061806B1 (en) 2017-10-23 2020-01-02 (주)포스코케미칼 Thermal spray materials for Flange repair of RH Snorkel
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
CN109972038B (en) * 2019-04-01 2021-07-20 宝钢特钢韶关有限公司 Steel for ultra-deep well drill rod joint and manufacturing method thereof
JP7321355B2 (en) * 2020-02-21 2023-08-04 日本製鉄株式会社 damper spring
CN112143869B (en) * 2020-09-27 2022-08-12 广州市奥赛钢线科技有限公司 Preparation process of quenched and tempered spring steel wire with tensile strength of 2300-2400 MPa
CN114318125A (en) * 2020-09-30 2022-04-12 宝山钢铁股份有限公司 High-strength and high-toughness alloy tool steel wire and manufacturing method thereof
CN112427484B (en) * 2020-11-11 2022-07-26 南京工程学院 Method for manufacturing stainless spring steel wire through recrystallization annealing regulation and control
KR102492641B1 (en) * 2020-12-17 2023-01-30 주식회사 포스코 Wire rod and steel wire for spring, spring with improved fatigue resistance and nitriding properties, and the method for manufacturing the same
CN113881897A (en) * 2021-09-29 2022-01-04 东莞市锦中秀寝具用品有限公司 High-strength alloy material for spring and high-strength spring

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10251795A (en) * 1997-03-12 1998-09-22 Honda Motor Co Ltd Oil tempered steel wire for spring excellent in delayed fracture resistance
JP2001247934A (en) * 2000-03-03 2001-09-14 Sumitomo Electric Ind Ltd Steel wire for spring, its producing method and spring
JP2003213372A (en) * 2002-01-25 2003-07-30 Sumitomo Denko Steel Wire Kk Steel wire for spring and spring
WO2004055226A1 (en) * 2002-12-13 2004-07-01 Sumitomo (Sei) Steel Wire Corp. Steel wire for spring
EP1619264A1 (en) * 2003-03-28 2006-01-25 Kabushiki Kaisha Kobe Seiko Sho Steel wire for high strength spring excellent in workability and high strength spring

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2842579B2 (en) * 1991-10-02 1999-01-06 株式会社 神戸製鋼所 High strength spring steel with excellent fatigue strength
JP2783145B2 (en) * 1993-12-28 1998-08-06 株式会社神戸製鋼所 Steel for nitrided spring and nitrided spring with excellent fatigue strength
US6224686B1 (en) * 1998-02-27 2001-05-01 Chuo Hatsujo Kabushiki Kaisha High-strength valve spring and it's manufacturing method
JPH11246943A (en) * 1998-02-27 1999-09-14 Chuo Spring Co Ltd High strength valve spring and its manufacture
JP2000017388A (en) * 1998-04-30 2000-01-18 Sumitomo Electric Ind Ltd Oil tempered steel wire for spring
JP3595901B2 (en) * 1998-10-01 2004-12-02 鈴木金属工業株式会社 High strength steel wire for spring and manufacturing method thereof
JP4062612B2 (en) * 2002-04-02 2008-03-19 株式会社神戸製鋼所 Steel wire for hard springs and hard springs with excellent fatigue strength and sag resistance
JP3975110B2 (en) * 2002-04-16 2007-09-12 住友電工スチールワイヤー株式会社 Steel wire, manufacturing method thereof and spring

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10251795A (en) * 1997-03-12 1998-09-22 Honda Motor Co Ltd Oil tempered steel wire for spring excellent in delayed fracture resistance
JP2001247934A (en) * 2000-03-03 2001-09-14 Sumitomo Electric Ind Ltd Steel wire for spring, its producing method and spring
JP2003213372A (en) * 2002-01-25 2003-07-30 Sumitomo Denko Steel Wire Kk Steel wire for spring and spring
WO2004055226A1 (en) * 2002-12-13 2004-07-01 Sumitomo (Sei) Steel Wire Corp. Steel wire for spring
EP1619264A1 (en) * 2003-03-28 2006-01-25 Kabushiki Kaisha Kobe Seiko Sho Steel wire for high strength spring excellent in workability and high strength spring

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2005075695A1 *

Also Published As

Publication number Publication date
US20080271824A1 (en) 2008-11-06
JP2005220392A (en) 2005-08-18
KR20060129019A (en) 2006-12-14
JP4357977B2 (en) 2009-11-04
EP1731625B1 (en) 2019-10-09
KR101096888B1 (en) 2011-12-22
CN100449026C (en) 2009-01-07
WO2005075695A1 (en) 2005-08-18
CN1914347A (en) 2007-02-14
EP1731625A1 (en) 2006-12-13

Similar Documents

Publication Publication Date Title
EP1731625A4 (en) Steel wire for spring
EP1820869A4 (en) Steel and steel wire for high strength spring
IL217530A0 (en) Cetp inhibitors
EP1737811A4 (en) Cetp inhibitors
EP1816658A4 (en) Coil component
EP1971595A4 (en) Cetp inhibitors
EP1973889A4 (en) Cetp inhibitors
DE502005002164D1 (en) Modulares transfersystem für werkstücke
PL2005343T3 (en) Edm wire
DE602005009909D1 (en) Ultra-pure spring steel wire
DE502005002050D1 (en) Trainingsstock für sportler
EP1762154A4 (en) Retainer for fastening spring end
ZA200803347B (en) Metal passivation
HK1132320A1 (en) Wire retainer
GB2426926B (en) Pocketted spring units
EP1887246A4 (en) Coiled spring
TWM290802U (en) Pliers
EP1951053A4 (en) Cetp inhibitors
GB2429115B (en) Metal complex
EP1916063A4 (en) Pliers
EP1778441A4 (en) Spring actuated stapler
GB0418444D0 (en) Montage method
GB2429834C (en) Coil former
GB0423195D0 (en) Springs
GB2433536B (en) Metal Section

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20060828

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE FR GB IT SE

DAX Request for extension of the european patent (deleted)
RBV Designated contracting states (corrected)

Designated state(s): DE FR GB IT SE

A4 Supplementary search report drawn up and despatched

Effective date: 20120224

RIC1 Information provided on ipc code assigned before grant

Ipc: F16F 1/02 20060101ALI20120220BHEP

Ipc: C22C 38/52 20060101ALI20120220BHEP

Ipc: C22C 38/34 20060101ALI20120220BHEP

Ipc: C21D 9/52 20060101ALI20120220BHEP

Ipc: C21D 8/06 20060101ALI20120220BHEP

Ipc: C22C 38/00 20060101AFI20120220BHEP

17Q First examination report despatched

Effective date: 20130611

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20190510

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: SUMITOMO ELECTRIC INDUSTRIES, LTD.

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT SE

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602005056306

Country of ref document: DE

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 602005056306

Country of ref document: DE

Representative=s name: BOULT WADE TENNANT LLP, DE

Ref country code: DE

Ref legal event code: R082

Ref document number: 602005056306

Country of ref document: DE

Representative=s name: MAIER, LL.M., MICHAEL C., DE

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 602005056306

Country of ref document: DE

Representative=s name: BOULT WADE TENNANT LLP, DE

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20200122

Year of fee payment: 16

Ref country code: SE

Payment date: 20200210

Year of fee payment: 16

Ref country code: IT

Payment date: 20200128

Year of fee payment: 16

Ref country code: DE

Payment date: 20200121

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20200113

Year of fee payment: 16

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602005056306

Country of ref document: DE

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20200710

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 602005056306

Country of ref document: DE

REG Reference to a national code

Ref country code: SE

Ref legal event code: EUG

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20210204

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210205

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210901

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210228

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210204

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210204