EP1697552A4 - Fil d'acier pour forgeage a froid presentant d'excellentes proprietes d'impact a faible temperature et procede de production associe - Google Patents

Fil d'acier pour forgeage a froid presentant d'excellentes proprietes d'impact a faible temperature et procede de production associe

Info

Publication number
EP1697552A4
EP1697552A4 EP04820547A EP04820547A EP1697552A4 EP 1697552 A4 EP1697552 A4 EP 1697552A4 EP 04820547 A EP04820547 A EP 04820547A EP 04820547 A EP04820547 A EP 04820547A EP 1697552 A4 EP1697552 A4 EP 1697552A4
Authority
EP
European Patent Office
Prior art keywords
low temperature
steel wire
cold forging
temperature impact
excellent low
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.)
Withdrawn
Application number
EP04820547A
Other languages
German (de)
English (en)
Other versions
EP1697552A1 (fr
Inventor
Soon-Tae Ahn
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.)
Samhwa Steel Co Ltd
Original Assignee
Samhwa Steel 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 Samhwa Steel Co Ltd filed Critical Samhwa Steel Co Ltd
Publication of EP1697552A1 publication Critical patent/EP1697552A1/fr
Publication of EP1697552A4 publication Critical patent/EP1697552A4/fr
Withdrawn legal-status Critical Current

Links

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
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
    • 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
    • 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
    • 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
    • C22C38/02—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
    • 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

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)
EP04820547A 2003-12-18 2004-11-29 Fil d'acier pour forgeage a froid presentant d'excellentes proprietes d'impact a faible temperature et procede de production associe Withdrawn EP1697552A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2003-0093269A KR100536660B1 (ko) 2003-12-18 2003-12-18 저온충격 특성이 우수한 냉간압조용 강선과 그 제조 방법
PCT/KR2004/003107 WO2005059192A1 (fr) 2003-12-18 2004-11-29 Fil d'acier pour forgeage a froid presentant d'excellentes proprietes d'impact a faible temperature et procede de production associe

Publications (2)

Publication Number Publication Date
EP1697552A1 EP1697552A1 (fr) 2006-09-06
EP1697552A4 true EP1697552A4 (fr) 2011-01-12

Family

ID=36791129

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04820547A Withdrawn EP1697552A4 (fr) 2003-12-18 2004-11-29 Fil d'acier pour forgeage a froid presentant d'excellentes proprietes d'impact a faible temperature et procede de production associe

Country Status (6)

Country Link
US (2) US20070256767A1 (fr)
EP (1) EP1697552A4 (fr)
JP (1) JP2007513259A (fr)
KR (1) KR100536660B1 (fr)
CN (1) CN1894432A (fr)
WO (1) WO2005059192A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008125700A1 (fr) 2007-04-13 2008-10-23 Sidenor Investigación Y Desarrollo, S.A. Acier trempé et durci et procédé permettant de produire des pièces à partir dudit acier
KR20120134534A (ko) * 2011-06-02 2012-12-12 삼화강봉주식회사 금형수명이 개선된 고강도 냉간단조용 강선 및 그 제조방법
KR101393444B1 (ko) * 2011-12-08 2014-05-15 삼화강봉주식회사 유볼트 및 그 제조방법
KR101691970B1 (ko) * 2013-03-20 2017-01-02 아이치 세이코우 가부시키가이샤 단조 부품 및 그 제조 방법과 콘 로드
CN105586528B (zh) * 2015-12-18 2018-02-23 天津市东达伟业机车车辆有限公司 一种合金钢及其热处理工艺
JP6687047B2 (ja) * 2017-03-28 2020-04-22 Ｊｆｅスチール株式会社 熱間圧延鋼材
KR101998971B1 (ko) * 2017-11-21 2019-07-10 현대제철 주식회사 비조질강 및 그 제조방법
KR102117400B1 (ko) * 2018-08-31 2020-06-01 주식회사 포스코 냉간압조용 선재, 이를 이용한 가공품 및 이들의 제조방법
KR102391061B1 (ko) * 2020-08-20 2022-04-28 주식회사 포스코 냉간 가공성이 향상된 선재 및 그 제조방법

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3532560A (en) * 1963-04-18 1970-10-06 Kobe Steel Ltd Cold-working process
US4533401A (en) * 1981-01-27 1985-08-06 Kabushiki Kaisha Kobe Seiko Sho Process for producing steel wire or rods of high ductility and strength
US4537644A (en) * 1981-09-28 1985-08-27 Nippon Steel Corporation High-tension high-toughness steel having excellent resistance to delayed fracture and method for producing the same
GB2290800A (en) * 1994-06-27 1996-01-10 Neturen Co Ltd High strength high weldability steel bars and wires for pretressed concrete
EP1293578A2 (fr) * 2001-09-14 2003-03-19 Samhwa Steel Co., Ltd. Fil d'acier trempé et revenu hautement forgeable à froid
WO2004007785A1 (fr) * 2002-07-11 2004-01-22 Samhwa Steel Co., Ltd. Fil d'acier trempe et revenu presentant des caracteristiques de forgeage a froid superieures

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR910003877B1 (ko) * 1988-12-29 1991-06-15 포항종합제철 주식회사 충격인성이 우수한 60Kg/mm²급 조질고장력강의 제조방법
KR100256330B1 (ko) * 1995-12-26 2000-05-15 이구택 인장강도 120Kgf/mm²급 고장력강의 제조방법
JP3966493B2 (ja) * 1999-05-26 2007-08-29 新日本製鐵株式会社 冷間鍛造用線材及びその製造方法
JP4435953B2 (ja) * 1999-12-24 2010-03-24 新日本製鐵株式会社 冷間鍛造用棒線材とその製造方法
US6475306B1 (en) * 2001-04-10 2002-11-05 Nippon Steel Corporation Hot rolled steel wire rod or bar for machine structural use and method for producing the same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3532560A (en) * 1963-04-18 1970-10-06 Kobe Steel Ltd Cold-working process
US4533401A (en) * 1981-01-27 1985-08-06 Kabushiki Kaisha Kobe Seiko Sho Process for producing steel wire or rods of high ductility and strength
US4537644A (en) * 1981-09-28 1985-08-27 Nippon Steel Corporation High-tension high-toughness steel having excellent resistance to delayed fracture and method for producing the same
GB2290800A (en) * 1994-06-27 1996-01-10 Neturen Co Ltd High strength high weldability steel bars and wires for pretressed concrete
EP1293578A2 (fr) * 2001-09-14 2003-03-19 Samhwa Steel Co., Ltd. Fil d'acier trempé et revenu hautement forgeable à froid
WO2004007785A1 (fr) * 2002-07-11 2004-01-22 Samhwa Steel Co., Ltd. Fil d'acier trempe et revenu presentant des caracteristiques de forgeage a froid superieures

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2005059192A1 *

Also Published As

Publication number Publication date
KR100536660B1 (ko) 2005-12-14
CN1894432A (zh) 2007-01-10
EP1697552A1 (fr) 2006-09-06
US20070006947A1 (en) 2007-01-11
JP2007513259A (ja) 2007-05-24
WO2005059192A1 (fr) 2005-06-30
US20070256767A1 (en) 2007-11-08
KR20050061805A (ko) 2005-06-23

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