EP2423344A4 - High strength, high toughness steel wire rod, and method for manufacturing same - Google Patents

High strength, high toughness steel wire rod, and method for manufacturing same

Info

Publication number: EP2423344A4
Authority: EP; European Patent Office
Prior art keywords: steel wire; wire rod; manufacturing same; toughness steel; high strength
Prior art date: 2009-04-23
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

EP10767329.5A

Other languages

German (de)

French (fr)

Other versions

EP2423344B1 (en

EP2423344A2 (en

Inventor

Dong-Hyun Kim

You-Hwan Lee

Sang-Yoon Lee

Hyung-Keun Cho

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.)

2009-04-23

Filing date

2010-04-23

Publication date

2014-10-29

2010-04-23 Application filed by Posco Co Ltd filed Critical Posco Co Ltd

2012-02-29 Publication of EP2423344A2 publication Critical patent/EP2423344A2/en

2014-10-29 Publication of EP2423344A4 publication Critical patent/EP2423344A4/en

2015-11-04 Application granted granted Critical

2015-11-04 Publication of EP2423344B1 publication Critical patent/EP2423344B1/en

Status Active legal-status Critical Current

2030-04-23 Anticipated expiration legal-status Critical

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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
- 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
- C22C38/001—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
- C22C38/06—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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing 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
- C21D2211/005—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
- C21D2211/009—Pearlite

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Manufacturing & Machinery (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Heat Treatment Of Steel (AREA)
Heat Treatment Of Strip Materials And Filament Materials (AREA)

EP10767329.5A 2009-04-23 2010-04-23 High strength, high toughness steel wire rod, and method for manufacturing same Active EP2423344B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
KR1020090035699A KR101143170B1 (en)	2009-04-23	2009-04-23	Steel wire rod having high strength and excellent toughness
PCT/KR2010/002568 WO2010123315A2 (en)	2009-04-23	2010-04-23	High strength, high toughness steel wire rod, and method for manufacturing same

Publications (3)

Publication Number	Publication Date
EP2423344A2 EP2423344A2 (en)	2012-02-29
EP2423344A4 true EP2423344A4 (en)	2014-10-29
EP2423344B1 EP2423344B1 (en)	2015-11-04

Family

ID=43011636

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP10767329.5A Active EP2423344B1 (en)	2009-04-23	2010-04-23	High strength, high toughness steel wire rod, and method for manufacturing same

Country Status (6)

Country	Link
US (1)	US20120037283A1 (en)
EP (1)	EP2423344B1 (en)
KR (1)	KR101143170B1 (en)
CN (1)	CN102439186B (en)
RU (1)	RU2494165C2 (en)
WO (1)	WO2010123315A2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR100448015B1 (en) *	2002-08-30	2004-09-08	평산에스아이 주식회사	Waterproof method of corrugated matter plate structure
KR101253823B1 (en)	2010-06-07	2013-04-12	주식회사 포스코	No_heat treated wire rod having excellent low temperature toughness and steel wire and method for manufacturing thereof
KR101262462B1 (en) *	2010-11-19	2013-05-08	주식회사 포스코	Non heat treatment cold drawn wire rod having excellent impact property and method for manufacturing the same
KR20120127095A (en) *	2011-05-13	2012-11-21	주식회사 포스코	High strength and high toughness wire rod having excellent surface property and method for manufacturing the same
CN103191916B (en) *	2013-03-28	2015-06-17	攀钢集团成都钢钒有限公司	Rolling method for round steel
JP6031022B2 (en) *	2013-12-02	2016-11-24	株式会社神戸製鋼所	Steel wire for bolt excellent in delayed fracture resistance, high-strength bolt, and method for producing them
JP2015212412A (en) *	2014-04-18	2015-11-26	株式会社神戸製鋼所	Hot rolled wire
CN105215077A (en) *	2014-06-11	2016-01-06	丹阳市凯鑫合金材料有限公司	A kind of production method of cold-heading silk
KR101665783B1 (en) *	2014-12-04	2016-10-13	주식회사 포스코	Non-quenched and tempered steel wire rod having excellent room-temperature formability and low-temperature impact toughness and manufacturing method thereof
KR101758491B1 (en) *	2015-12-17	2017-07-17	주식회사 포스코	Non-quenched and tempered wire rod having excellent strength and cold workability and method for manufacturing same
JP7299475B2 (en) *	2018-03-26	2023-06-28	日本製鉄株式会社	Steel for cold forging
CN114749507A (en) *	2022-04-14	2022-07-15	淄博淄翼金属材料有限公司	Production method of stainless steel wire rod wire material

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6167775A (en) *	1984-09-10	1986-04-07	Sumitomo Metal Ind Ltd	Steel bar wire rod for cold forging
JPH08260047A (en) *	1995-03-23	1996-10-08	Sumitomo Metal Ind Ltd	Method of manufacturing steel bar wire rod for cold forging
US20050271496A1 (en) *	2002-10-17	2005-12-08	National Institute For Materials Science	Formed product and method for production thereof
WO2008130054A1 (en) *	2007-04-18	2008-10-30	Nippon Steel Corporation	Hot-worked steel material having excellent machinability and impact value

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SU1065495A1 (en) *	1982-12-03	1984-01-07	Научно-исследовательский институт металлургии	Structural steel
KR950007785B1 (en) *	1993-06-16	1995-07-18	포항종합제철주식회사	Making method of high tension wire rod
KR0157252B1 (en) *	1993-06-30	1998-11-16	김무	High toughness and high strength untempered steel and processing method thereof
JPH0949065A (en) *	1995-08-07	1997-02-18	Kobe Steel Ltd	Wear resistant hot rolled steel sheet excellent in stretch-flanging property and its production
EP0952233B1 (en) *	1998-04-21	2003-03-19	KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd.	Steel wire rod or bar with good cold deformability and machine parts made thereof
JP3527641B2 (en) *	1998-08-26	2004-05-17	株式会社神戸製鋼所	Steel wire with excellent cold workability
JP3752118B2 (en) *	1999-08-31	2006-03-08	新日本製鐵株式会社	High carbon steel sheet with excellent formability
RU2270268C1 (en) *	2005-02-01	2006-02-20	Закрытое акционерное общество "Ижевский опытно-механический завод"	Corrosion-resistant steel and the product made out of it
RU2346074C2 (en) *	2006-09-04	2009-02-10	Общество с ограниченной ответственностью "Каури"	Stainless high-strength steel
RU61285U1 (en) *	2006-09-04	2007-02-27	Общество с ограниченной ответственностью "Каури"	STAINLESS STEEL HIGH STRENGTH STEEL BAR

2009
- 2009-04-23 KR KR1020090035699A patent/KR101143170B1/en active Active
2010
- 2010-04-23 CN CN201080018076.7A patent/CN102439186B/en active Active
- 2010-04-23 US US13/263,758 patent/US20120037283A1/en not_active Abandoned
- 2010-04-23 WO PCT/KR2010/002568 patent/WO2010123315A2/en active Application Filing
- 2010-04-23 RU RU2011147484/02A patent/RU2494165C2/en not_active IP Right Cessation
- 2010-04-23 EP EP10767329.5A patent/EP2423344B1/en active Active

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6167775A (en) *	1984-09-10	1986-04-07	Sumitomo Metal Ind Ltd	Steel bar wire rod for cold forging
JPH08260047A (en) *	1995-03-23	1996-10-08	Sumitomo Metal Ind Ltd	Method of manufacturing steel bar wire rod for cold forging
US20050271496A1 (en) *	2002-10-17	2005-12-08	National Institute For Materials Science	Formed product and method for production thereof
WO2008130054A1 (en) *	2007-04-18	2008-10-30	Nippon Steel Corporation	Hot-worked steel material having excellent machinability and impact value

Also Published As

Publication number	Publication date
WO2010123315A2 (en)	2010-10-28
CN102439186B (en)	2015-04-08
KR101143170B1 (en)	2012-05-08
EP2423344B1 (en)	2015-11-04
KR20100116991A (en)	2010-11-02
EP2423344A2 (en)	2012-02-29
RU2494165C2 (en)	2013-09-27
RU2011147484A (en)	2013-05-27
US20120037283A1 (en)	2012-02-16
CN102439186A (en)	2012-05-02
WO2010123315A3 (en)	2011-03-10

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2012-04-11	RIN1	Information on inventor provided before grant (corrected)	Inventor name: CHO, HYUNG-KEUN Inventor name: KIM, DONG-HYUN Inventor name: LEE, SANG-YOON Inventor name: LEE, YOU-HWAN
2012-08-15	DAX	Request for extension of the european patent (deleted)
2014-10-29	A4	Supplementary search report drawn up and despatched	Effective date: 20140926
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