EP2733229A4 - Wire rod having superior hydrogen delayed fracture resistance, method for manufacturing same, high strength bolt using same and method for manufacturing bolt - Google Patents

Wire rod having superior hydrogen delayed fracture resistance, method for manufacturing same, high strength bolt using same and method for manufacturing bolt

Info

Publication number: EP2733229A4
Authority: EP; European Patent Office
Prior art keywords: manufacturing; same; bolt; high strength; wire rod
Prior art date: 2011-07-15
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

EP12814354.2A

Other languages

German (de)

French (fr)

Other versions

EP2733229B9 (en

EP2733229A1 (en

EP2733229B1 (en

Inventor

You-Hwan Lee

Dong-Hyun Kim

Geun-Soo Ryu

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.)

2011-07-15

Filing date

2012-05-14

Publication date

2015-04-08

2012-05-14 Application filed by Posco Co Ltd filed Critical Posco Co Ltd

2014-05-21 Publication of EP2733229A1 publication Critical patent/EP2733229A1/en

2015-04-08 Publication of EP2733229A4 publication Critical patent/EP2733229A4/en

2016-04-06 Application granted granted Critical

2016-04-06 Publication of EP2733229B1 publication Critical patent/EP2733229B1/en

2016-07-13 Publication of EP2733229B9 publication Critical patent/EP2733229B9/en

Status Not-in-force legal-status Critical Current

2032-05-14 Anticipated expiration legal-status Critical

Links

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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0093—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for screws; for bolts
- 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
- C21D9/52—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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
- 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Materials 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)
Heat Treatment Of Articles (AREA)

EP12814354.2A 2011-07-15 2012-05-14 Wire rod having superior hydrogen delayed fracture resistance, method for manufacturing same, high strength bolt using same and method for manufacturing bolt Not-in-force EP2733229B9 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
KR1020110070206A KR101325317B1 (en)	2011-07-15	2011-07-15	Steel wire rod having excellent resistance of hydrogen delayed fracture and method for manufacturing the same and high strength bolt using the same and method for manufacturing the bolt
PCT/KR2012/003757 WO2013012161A1 (en)	2011-07-15	2012-05-14	Wire rod having superior hydrogen delayed fracture resistance, method for manufacturing same, high strength bolt using same and method for manufacturing bolt

Publications (4)

Publication Number	Publication Date
EP2733229A1 EP2733229A1 (en)	2014-05-21
EP2733229A4 true EP2733229A4 (en)	2015-04-08
EP2733229B1 EP2733229B1 (en)	2016-04-06
EP2733229B9 EP2733229B9 (en)	2016-07-13

Family

ID=47558306

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP12814354.2A Not-in-force EP2733229B9 (en)	2011-07-15	2012-05-14	Wire rod having superior hydrogen delayed fracture resistance, method for manufacturing same, high strength bolt using same and method for manufacturing bolt

Country Status (6)

Country	Link
US (1)	US20140150934A1 (en)
EP (1)	EP2733229B9 (en)
JP (1)	JP5826383B2 (en)
KR (1)	KR101325317B1 (en)
CN (1)	CN103649354B (en)
WO (1)	WO2013012161A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN103820726A (en) *	2014-03-17	2014-05-28	河南赛诺米特种设备有限公司	Method for manufacturing bolts with relatively high fatigue strength
JP6601284B2 (en) *	2016-03-11	2019-11-06	日本製鉄株式会社	High strength bolt
US11572612B2 (en)	2017-12-11	2023-02-07	Korea Institute Of Materials Science	High-entropy alloy, and method for producing the same
JPWO2021193057A1 (en)	2020-03-27	2021-09-30

Citations (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5884960A (en) *	1981-11-13	1983-05-21	Kawasaki Steel Corp	High tensile steel with superior delayed rupture resistance
JPH06145889A (en) *	1992-11-11	1994-05-27	Daido Steel Co Ltd	Free cutting steel
JPH08170149A (en) *	1994-12-16	1996-07-02	Kobe Steel Ltd	Wire rod for corrosion resisting high strength extra fine steel wire, corrosion resisting high strength extra fine steel wire, and their production
JP2001164337A (en) *	1999-12-09	2001-06-19	Nippon Steel Corp	High tensile strength steel excellent in delayed fracture characteristic and producing method therefor
WO2001046485A1 (en) *	1999-12-22	2001-06-28	Nippon Steel Corporation	Direct patenting high strength wire rod and method for producing the same
EP1559805A1 (en) *	2004-01-20	2005-08-03	Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)	High carbon steel wire rod superior in wire-drawability and method for producing the same
US20060289402A1 (en) *	2005-06-23	2006-12-28	Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)	Steel wire rod excellent in wire-drawability and fatigue property, and production method thereof
US20070051432A1 (en) *	2005-09-05	2007-03-08	Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd)	Steel wire rod having excellent drawability and fatigue properties, and manufacturing method of the same
JP2008150683A (en) *	2006-12-19	2008-07-03	Kobe Steel Ltd	Method for manufacturing steel wire rod excellent in fatigue characteristic
JP2008274367A (en) *	2007-05-01	2008-11-13	Sumitomo Metal Ind Ltd	Bolt steel, and bridge using it
WO2011016676A2 (en) *	2009-08-04	2011-02-10	Posco	Non-heat treated rolled steel and drawn wire rod with excellent toughness, and method for manufacturing the same

Family Cites Families (7)

* 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
JP3940270B2 (en) *	2000-04-07	2007-07-04	本田技研工業株式会社	Method for producing high-strength bolts with excellent delayed fracture resistance and relaxation resistance
KR100723186B1 (en) *	2005-12-26	2007-05-29	주식회사 포스코	High-strength steel bolt having excellent resistance for delayed fracture and method for producing the same
CN101389772B (en) *	2006-03-30	2012-03-21	株式会社神户制钢所	Method of producing steel for high carbon steel wire material excellent in wire-drawability and fatigue characteristic
JP4069150B2 (en) *	2006-03-30	2008-04-02	株式会社神戸製鋼所	Manufacturing method of high carbon steel wire rod steel with excellent drawability and fatigue properties
JP5121282B2 (en) *	2007-04-03	2013-01-16	株式会社神戸製鋼所	Steel for high-speed cold working and its manufacturing method, and high-speed cold-worked component and its manufacturing method
KR20090071164A (en) *	2007-12-27	2009-07-01	주식회사 포스코	High-strength steel bolt having excellent resistance for delayed fracture and notch toughness method for producing the same

2011
- 2011-07-15 KR KR1020110070206A patent/KR101325317B1/en active IP Right Grant
2012
- 2012-05-14 WO PCT/KR2012/003757 patent/WO2013012161A1/en active Application Filing
- 2012-05-14 JP JP2014520107A patent/JP5826383B2/en not_active Expired - Fee Related
- 2012-05-14 EP EP12814354.2A patent/EP2733229B9/en not_active Not-in-force
- 2012-05-14 US US14/232,805 patent/US20140150934A1/en not_active Abandoned
- 2012-05-14 CN CN201280035144.XA patent/CN103649354B/en not_active Expired - Fee Related

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5884960A (en) *	1981-11-13	1983-05-21	Kawasaki Steel Corp	High tensile steel with superior delayed rupture resistance
JPH06145889A (en) *	1992-11-11	1994-05-27	Daido Steel Co Ltd	Free cutting steel
JPH08170149A (en) *	1994-12-16	1996-07-02	Kobe Steel Ltd	Wire rod for corrosion resisting high strength extra fine steel wire, corrosion resisting high strength extra fine steel wire, and their production
JP2001164337A (en) *	1999-12-09	2001-06-19	Nippon Steel Corp	High tensile strength steel excellent in delayed fracture characteristic and producing method therefor
WO2001046485A1 (en) *	1999-12-22	2001-06-28	Nippon Steel Corporation	Direct patenting high strength wire rod and method for producing the same
EP1559805A1 (en) *	2004-01-20	2005-08-03	Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)	High carbon steel wire rod superior in wire-drawability and method for producing the same
US20060289402A1 (en) *	2005-06-23	2006-12-28	Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)	Steel wire rod excellent in wire-drawability and fatigue property, and production method thereof
US20070051432A1 (en) *	2005-09-05	2007-03-08	Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd)	Steel wire rod having excellent drawability and fatigue properties, and manufacturing method of the same
JP2008150683A (en) *	2006-12-19	2008-07-03	Kobe Steel Ltd	Method for manufacturing steel wire rod excellent in fatigue characteristic
JP2008274367A (en) *	2007-05-01	2008-11-13	Sumitomo Metal Ind Ltd	Bolt steel, and bridge using it
WO2011016676A2 (en) *	2009-08-04	2011-02-10	Posco	Non-heat treated rolled steel and drawn wire rod with excellent toughness, and method for manufacturing the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013012161A1 *

Also Published As

Publication number	Publication date
JP5826383B2 (en)	2015-12-02
EP2733229B9 (en)	2016-07-13
US20140150934A1 (en)	2014-06-05
KR20130009248A (en)	2013-01-23
EP2733229A1 (en)	2014-05-21
CN103649354B (en)	2016-07-06
KR101325317B1 (en)	2013-11-08
WO2013012161A1 (en)	2013-01-24
EP2733229B1 (en)	2016-04-06
JP2014525987A (en)	2014-10-02
CN103649354A (en)	2014-03-19

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2015-04-08	RA4	Supplementary search report drawn up and despatched (corrected)	Effective date: 20150305
2015-04-08	RIC1	Information provided on ipc code assigned before grant	Ipc: C22C 38/00 20060101AFI20150227BHEP Ipc: C22C 38/04 20060101ALI20150227BHEP Ipc: C21D 9/00 20060101ALI20150227BHEP Ipc: C22C 38/08 20060101ALI20150227BHEP Ipc: C22C 38/02 20060101ALI20150227BHEP Ipc: C22C 38/12 20060101ALI20150227BHEP Ipc: C21D 8/06 20060101ALI20150227BHEP Ipc: C21D 9/52 20060101ALI20150227BHEP
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