EP3553198C0 - WIRE ROD FOR SPRINGS WITH EXCELLENT CORROSION FATIGUE RESISTANCE, STEEL WIRE AND ITS MANUFACTURING METHOD - Google Patents

WIRE ROD FOR SPRINGS WITH EXCELLENT CORROSION FATIGUE RESISTANCE, STEEL WIRE AND ITS MANUFACTURING METHOD

Info

Publication number: EP3553198C0
Authority: EP; European Patent Office
Prior art keywords: springs; manufacturing; fatigue resistance; excellent corrosion; corrosion fatigue
Prior art date: 2016-12-06
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.): Active

Application number

EP17877467.5A

Other languages

German (de)

French (fr)

Other versions

EP3553198A4 (en

EP3553198A1 (en

EP3553198B1 (en

Inventor

Kwan-Ho Kim

Han-Hwi Kim

Hoe-Young Jung

Byoung-Gab Lee

Young-Soo Chun

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.)

Posco Holdings Inc

Original Assignee

Posco 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.)

2016-12-06

Filing date

2017-12-06

Publication date

2024-08-14

2017-12-06 Application filed by Posco Co Ltd filed Critical Posco Co Ltd

2019-10-16 Publication of EP3553198A1 publication Critical patent/EP3553198A1/en

2019-11-13 Publication of EP3553198A4 publication Critical patent/EP3553198A4/en

2024-08-14 Application granted granted Critical

2024-08-14 Publication of EP3553198C0 publication Critical patent/EP3553198C0/en

2024-08-14 Publication of EP3553198B1 publication Critical patent/EP3553198B1/en

Status Active legal-status Critical Current

2037-12-06 Anticipated expiration legal-status Critical

Classifications

- 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
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/58—Oils
- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
- 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
- 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
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- 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
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/525—Heat 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
- 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
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/573—Continuous furnaces for strip or wire with cooling
- C21D9/5732—Continuous furnaces for strip or wire with cooling of wires; of rods
- 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
- 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
- C22C38/18—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
- C22C38/44—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
- 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
- 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
- C21D2211/001—Austenite
- 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
- C21D2211/005—Ferrite
- 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
- C21D2211/008—Martensite
- 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)
Crystallography & Structural Chemistry (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Manufacturing & Machinery (AREA)
Oil, Petroleum & Natural Gas (AREA)
Heat Treatment Of Steel (AREA)
Heat Treatment Of Strip Materials And Filament Materials (AREA)

EP17877467.5A 2016-12-06 2017-12-06 Wire rod for springs with excellent corrosion fatigue resistance, steel wire, and manufacturing method thereof Active EP3553198B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
KR1020160165185A KR101867709B1 (en)	2016-12-06	2016-12-06	Wire rod and steel wire for spring having excellent corrosion fatigue resistance and method for manufacturing the same
PCT/KR2017/014232 WO2018106016A1 (en)	2016-12-06	2017-12-06	Wire rod for springs with excellent corrosion fatigue resistance, steel wire, and manufacturing method thereof

Publications (4)

Publication Number	Publication Date
EP3553198A1 EP3553198A1 (en)	2019-10-16
EP3553198A4 EP3553198A4 (en)	2019-11-13
EP3553198C0 true EP3553198C0 (en)	2024-08-14
EP3553198B1 EP3553198B1 (en)	2024-08-14

Family

ID=62491576

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP17877467.5A Active EP3553198B1 (en)	2016-12-06	2017-12-06	Wire rod for springs with excellent corrosion fatigue resistance, steel wire, and manufacturing method thereof

Country Status (6)

Country	Link
US (1)	US20200063228A1 (en)
EP (1)	EP3553198B1 (en)
JP (1)	JP7018444B2 (en)
KR (1)	KR101867709B1 (en)
CN (1)	CN110036131B (en)
WO (1)	WO2018106016A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN109735771A (en) *	2019-03-19	2019-05-10	马鞍山钢铁股份有限公司	A kind of high-strength spring steel and its production method with excellent fatigue behaviour and corrosion resisting property
JP7239729B2 (en) *	2019-10-16	2023-03-14	日本製鉄株式会社	steel wire

Family Cites Families (16)

* 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
JP3474373B2 (en) *	1995-10-27	2003-12-08	株式会社神戸製鋼所	Spring steel with excellent hydrogen embrittlement resistance and fatigue properties
JP3577411B2 (en) *	1997-05-12	2004-10-13	新日本製鐵株式会社	High toughness spring steel
JP2003105496A (en) *	2001-09-26	2003-04-09	Daido Steel Co Ltd	Spring steel with excellent low decarburization and delayed fracture resistance
JP4280123B2 (en)	2003-07-01	2009-06-17	株式会社神戸製鋼所	Spring steel with excellent corrosion fatigue resistance
JP4476846B2 (en) *	2005-03-03	2010-06-09	株式会社神戸製鋼所	High strength spring steel with excellent cold workability and quality stability
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
JP4423254B2 (en) *	2005-12-02	2010-03-03	株式会社神戸製鋼所	High strength spring steel wire with excellent coiling and hydrogen embrittlement resistance
JP2007327084A (en) *	2006-06-06	2007-12-20	Kobe Steel Ltd	Wire rod having excellent wire drawability and its production method
JP5001874B2 (en)	2008-02-22	2012-08-15	中央発條株式会社	Cold forming spring having high fatigue strength and high corrosion fatigue strength, and method for producing spring steel wire
JP5653022B2 (en)	2009-09-29	2015-01-14	中央発條株式会社	Spring steel and spring with excellent corrosion fatigue strength
MX344834B (en) *	2010-08-30	2017-01-09	Kobe Steel Ltd	Steel wire material for high-strength spring which has excellent wire-drawing properties and process for production thereof, and high-strength spring.
JP5796781B2 (en) *	2012-03-07	2015-10-21	株式会社神戸製鋼所	Steel wire for high strength spring excellent in spring workability, manufacturing method thereof, and high strength spring
JP5824443B2 (en) *	2012-11-22	2015-11-25	株式会社神戸製鋼所	Method of manufacturing steel wire for spring
JP5973903B2 (en) *	2012-12-21	2016-08-23	株式会社神戸製鋼所	High strength spring steel wire excellent in hydrogen embrittlement resistance, method for producing the same, and high strength spring
KR20140122784A (en) *	2013-04-11	2014-10-21	주식회사 포스코	Steel wire having high corrosion resistance, spring for the same and method for manufacturing thereof

2016
- 2016-12-06 KR KR1020160165185A patent/KR101867709B1/en active Active
2017
- 2017-12-06 US US16/466,984 patent/US20200063228A1/en active Pending
- 2017-12-06 JP JP2019526575A patent/JP7018444B2/en active Active
- 2017-12-06 WO PCT/KR2017/014232 patent/WO2018106016A1/en unknown
- 2017-12-06 CN CN201780075012.2A patent/CN110036131B/en active Active
- 2017-12-06 EP EP17877467.5A patent/EP3553198B1/en active Active

Also Published As

Publication number	Publication date
CN110036131B (en)	2021-07-06
EP3553198A4 (en)	2019-11-13
CN110036131A (en)	2019-07-19
JP7018444B2 (en)	2022-02-10
EP3553198A1 (en)	2019-10-16
KR101867709B1 (en)	2018-06-14
US20200063228A1 (en)	2020-02-27
JP2020509158A (en)	2020-03-26
EP3553198B1 (en)	2024-08-14
WO2018106016A1 (en)	2018-06-14

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2019-11-13	RIC1	Information provided on ipc code assigned before grant	Ipc: C21D 9/52 20060101ALI20191007BHEP Ipc: C21D 8/06 20060101ALI20191007BHEP Ipc: C22C 38/04 20060101ALI20191007BHEP Ipc: C22C 38/50 20060101ALI20191007BHEP Ipc: C22C 38/02 20060101ALI20191007BHEP Ipc: C21D 9/02 20060101ALI20191007BHEP Ipc: C22C 38/34 20060101ALI20191007BHEP Ipc: C22C 38/48 20060101ALI20191007BHEP Ipc: C22C 38/46 20060101ALI20191007BHEP Ipc: C22C 38/00 20060101ALI20191007BHEP Ipc: C22C 38/44 20060101ALI20191007BHEP Ipc: C22C 38/42 20060101AFI20191007BHEP
2020-03-11	DAV	Request for validation of the european patent (deleted)
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2021-10-07	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: EXAMINATION IS IN PROGRESS
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2021-11-10	17Q	First examination report despatched	Effective date: 20211006
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