EP2708614A4 - DRAFT WIRE HAVING GOOD SUPERIOR SURFACE PROPERTIES, HIGH MECHANICAL STRENGTH, AND HIGH TENACITY, AND METHOD FOR MANUFACTURING THE SAME - Google Patents

DRAFT WIRE HAVING GOOD SUPERIOR SURFACE PROPERTIES, HIGH MECHANICAL STRENGTH, AND HIGH TENACITY, AND METHOD FOR MANUFACTURING THE SAME

Info

Publication number
EP2708614A4
EP2708614A4 EP12786772.9A EP12786772A EP2708614A4 EP 2708614 A4 EP2708614 A4 EP 2708614A4 EP 12786772 A EP12786772 A EP 12786772A EP 2708614 A4 EP2708614 A4 EP 2708614A4
Authority
EP
European Patent Office
Prior art keywords
manufacturing
mechanical strength
same
surface properties
superior surface
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
EP12786772.9A
Other languages
German (de)
French (fr)
Other versions
EP2708614B1 (en
EP2708614A2 (en
Inventor
Dong-Hyun Kim
You-Hwan 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.)
Filing date
Publication date
Application filed by Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP2708614A2 publication Critical patent/EP2708614A2/en
Publication of EP2708614A4 publication Critical patent/EP2708614A4/en
Application granted granted Critical
Publication of EP2708614B1 publication Critical patent/EP2708614B1/en
Not-in-force legal-status Critical Current
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
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/06—Modifying the physical properties of ferrous metals or ferrous alloys 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
    • 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
    • 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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
EP12786772.9A 2011-05-13 2012-05-11 Wire rod having good superior surface properties, high strength, and high toughness Not-in-force EP2708614B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020110045353A KR20120127095A (en) 2011-05-13 2011-05-13 High strength and high toughness wire rod having excellent surface property and method for manufacturing the same
PCT/KR2012/003720 WO2012157902A2 (en) 2011-05-13 2012-05-11 Wire rod having good superior surface properties, high strength, and high toughness, and a method for manufacturing same

Publications (3)

Publication Number Publication Date
EP2708614A2 EP2708614A2 (en) 2014-03-19
EP2708614A4 true EP2708614A4 (en) 2015-02-25
EP2708614B1 EP2708614B1 (en) 2018-03-21

Family

ID=47177454

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12786772.9A Not-in-force EP2708614B1 (en) 2011-05-13 2012-05-11 Wire rod having good superior surface properties, high strength, and high toughness

Country Status (6)

Country Link
US (1) US20140027025A1 (en)
EP (1) EP2708614B1 (en)
JP (1) JP5908066B2 (en)
KR (1) KR20120127095A (en)
CN (1) CN103517999B (en)
WO (1) WO2012157902A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10416759B2 (en) * 2014-05-13 2019-09-17 Lenovo (Singapore) Pte. Ltd. Eye tracking laser pointer
CN104561736A (en) * 2014-12-29 2015-04-29 芜湖国鼎机械制造有限公司 High-strength gray cast iron, casting and preparation method of high-strength gray cast iron

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6237349A (en) * 1985-08-12 1987-02-18 Kobe Steel Ltd Wire for steel cord excellent in phosphate chemical conversion treatment
JPS63307251A (en) * 1987-06-08 1988-12-14 Kawasaki Steel Corp Steel wire rod having good mechanical descaling property
JP2002356743A (en) * 2001-05-30 2002-12-13 Nkk Bars & Shapes Co Ltd Non-heat treated steel with high strength, low ductility and excellent machinability
US20030015264A1 (en) * 1999-05-26 2003-01-23 Hideo Kanisawa Hot-rolled steel wire and rod for machine structural use and a method for production the same
JP2004250767A (en) * 2003-02-21 2004-09-09 Nippon Steel Corp Machine structural steel excellent in cold workability and method for producing the same
JP2011074467A (en) * 2009-09-30 2011-04-14 Jfe Steel Corp Steel for carburization

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60262980A (en) * 1984-06-11 1985-12-26 Kawasaki Steel Corp Manufacture of grain-oriented silicon steel sheet having superior iron loss characteristic
JPH0672282B2 (en) * 1986-05-20 1994-09-14 大同特殊鋼株式会社 Low decarburized spring steel
JPH05171262A (en) * 1991-12-18 1993-07-09 Kawasaki Steel Corp Manufacture of wire rod or bar steel for case hardened product
JP3622188B2 (en) 1996-06-14 2005-02-23 大同特殊鋼株式会社 Non-tempered steel excellent in cold workability, method for producing the same, and method for producing non-tempered steel forged member
JP2003105496A (en) * 2001-09-26 2003-04-09 Daido Steel Co Ltd Spring steel with excellent low decarburization and delayed fracture resistance
JP3959722B2 (en) * 2003-10-15 2007-08-15 住友金属工業株式会社 Wire coil cooling device
KR100711356B1 (en) * 2005-08-25 2007-04-27 주식회사 포스코 Galvanized steel sheet with excellent workability and its manufacturing method
KR100957981B1 (en) * 2007-12-20 2010-05-19 주식회사 포스코 High strength cold rolled steel, hot dip galvanized steel with excellent workability and its manufacturing method
JP5332517B2 (en) * 2008-03-31 2013-11-06 Ｊｆｅスチール株式会社 Manufacturing method of carburizing steel
BE1018208A3 (en) * 2008-07-02 2010-07-06 Ct Rech Metallurgiques Asbl METHOD FOR COATING A METAL SURFACE WITH A HYBRID LAYER
JP2010222680A (en) 2009-03-25 2010-10-07 Jfe Steel Corp Manufacturing method of high strength and high toughness steel with excellent workability
JP5245997B2 (en) 2009-04-06 2013-07-24 新日鐵住金株式会社 High strength hot forged non-tempered steel with excellent toughness and method for producing the same
KR101143170B1 (en) * 2009-04-23 2012-05-08 주식회사 포스코 Steel wire rod having high strength and excellent toughness

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6237349A (en) * 1985-08-12 1987-02-18 Kobe Steel Ltd Wire for steel cord excellent in phosphate chemical conversion treatment
JPS63307251A (en) * 1987-06-08 1988-12-14 Kawasaki Steel Corp Steel wire rod having good mechanical descaling property
US20030015264A1 (en) * 1999-05-26 2003-01-23 Hideo Kanisawa Hot-rolled steel wire and rod for machine structural use and a method for production the same
JP2002356743A (en) * 2001-05-30 2002-12-13 Nkk Bars & Shapes Co Ltd Non-heat treated steel with high strength, low ductility and excellent machinability
JP2004250767A (en) * 2003-02-21 2004-09-09 Nippon Steel Corp Machine structural steel excellent in cold workability and method for producing the same
JP2011074467A (en) * 2009-09-30 2011-04-14 Jfe Steel Corp Steel for carburization

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
AUTORENKOLLEKTIV: "Spurenelemente im Stahl - Moeglichkeiten zur Beeinflussung im Smelzbetrieb", SPURENELEMENTE IN STAEHLEN, VERLAG STAHLEISEN, DUESSELDORF, DE, 1 January 1985 (1985-01-01), pages 19 - 22, XP002433212 *
See also references of WO2012157902A2 *

Also Published As

Publication number Publication date
US20140027025A1 (en) 2014-01-30
WO2012157902A2 (en) 2012-11-22
JP2014518942A (en) 2014-08-07
EP2708614B1 (en) 2018-03-21
CN103517999A (en) 2014-01-15
KR20120127095A (en) 2012-11-21
CN103517999B (en) 2016-09-28
WO2012157902A3 (en) 2013-01-17
EP2708614A2 (en) 2014-03-19
JP5908066B2 (en) 2016-04-26

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