EP4265768A4 - Fil d'acier à aptitude à l'étirage améliorée et son procédé de fabrication - Google Patents

Fil d'acier à aptitude à l'étirage améliorée et son procédé de fabrication Download PDF

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Publication number
EP4265768A4
EP4265768A4 EP21906896.2A EP21906896A EP4265768A4 EP 4265768 A4 EP4265768 A4 EP 4265768A4 EP 21906896 A EP21906896 A EP 21906896A EP 4265768 A4 EP4265768 A4 EP 4265768A4
Authority
EP
European Patent Office
Prior art keywords
manufacturing process
steel wire
process therefor
improved drawability
drawability
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.)
Pending
Application number
EP21906896.2A
Other languages
German (de)
English (en)
Other versions
EP4265768A1 (fr
Inventor
Choongyeol LEE
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 EP4265768A1 publication Critical patent/EP4265768A1/fr
Publication of EP4265768A4 publication Critical patent/EP4265768A4/fr
Pending legal-status Critical Current

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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/84—Controlled slow cooling
    • 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
    • C21D9/52—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
    • 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
    • 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
    • C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
    • 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
    • C21D2211/003—Cementite
    • 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
    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working

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 Strip Materials And Filament Materials (AREA)
EP21906896.2A 2020-12-15 2021-11-18 Fil d'acier à aptitude à l'étirage améliorée et son procédé de fabrication Pending EP4265768A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020200175304A KR102464611B1 (ko) 2020-12-15 2020-12-15 신선가공성이 향상된 강선 및 그 제조방법
PCT/KR2021/016988 WO2022131591A1 (fr) 2020-12-15 2021-11-18 Fil d'acier à aptitude à l'étirage améliorée et son procédé de fabrication

Publications (2)

Publication Number Publication Date
EP4265768A1 EP4265768A1 (fr) 2023-10-25
EP4265768A4 true EP4265768A4 (fr) 2024-11-27

Family

ID=82057871

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21906896.2A Pending EP4265768A4 (fr) 2020-12-15 2021-11-18 Fil d'acier à aptitude à l'étirage améliorée et son procédé de fabrication

Country Status (5)

Country Link
US (1) US20240117459A1 (fr)
EP (1) EP4265768A4 (fr)
KR (1) KR102464611B1 (fr)
CN (1) CN116829754A (fr)
WO (1) WO2022131591A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6264759B1 (en) * 1998-10-16 2001-07-24 Pohang Iron & Steel Co., Ltd. Wire rods with superior drawability and manufacturing method therefor
EP1277846B1 (fr) * 2001-06-28 2005-08-31 Kabushiki Kaisha Kobe Seiko Sho Tige de fil d'acier à teneur élevée en carbone présentant une excellente capacité d'étirage et son procédé de fabrication
KR20160075956A (ko) * 2014-12-19 2016-06-30 주식회사 포스코 고강도 강선 및 이의 제조방법
JP2016183408A (ja) * 2015-03-26 2016-10-20 新日鐵住金株式会社 熱間圧延線材およびその製造方法
KR101676130B1 (ko) * 2014-12-19 2016-11-15 주식회사 포스코 고강도 고연성 선재 및 그 제조 방법
EP3336205B1 (fr) * 2016-12-16 2020-06-03 Posco Fil d'acier à haute résistance et son procédé de fabrication

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000001751A (ja) * 1998-04-15 2000-01-07 Nippon Steel Corp 耐断線性の高強度鋼線
JP3940270B2 (ja) * 2000-04-07 2007-07-04 本田技研工業株式会社 耐遅れ破壊性および耐リラクセーション特性に優れた高強度ボルトの製造方法
JP2005206853A (ja) * 2004-01-20 2005-08-04 Kobe Steel Ltd 伸線加工性に優れた高炭素鋼線材およびその製造方法
JP5503515B2 (ja) * 2010-12-15 2014-05-28 株式会社神戸製鋼所 乾式伸線性に優れた高炭素鋼線材およびその製造方法
KR101316154B1 (ko) * 2012-02-29 2013-10-08 주식회사 포스코 전기전도성이 우수한 강심알루미늄연선용 고탄소 강선 및 그의 제조방법
KR101461714B1 (ko) * 2012-08-21 2014-11-14 주식회사 포스코 신선성이 우수한 고연성 선재 및 강선 및 이들의 제조방법
EP3091097B1 (fr) * 2014-03-28 2018-10-17 JFE Steel Corporation Tôle d'acier laminée à chaud à haute teneur en carbone et son procédé de production

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6264759B1 (en) * 1998-10-16 2001-07-24 Pohang Iron & Steel Co., Ltd. Wire rods with superior drawability and manufacturing method therefor
EP1277846B1 (fr) * 2001-06-28 2005-08-31 Kabushiki Kaisha Kobe Seiko Sho Tige de fil d'acier à teneur élevée en carbone présentant une excellente capacité d'étirage et son procédé de fabrication
KR20160075956A (ko) * 2014-12-19 2016-06-30 주식회사 포스코 고강도 강선 및 이의 제조방법
KR101676130B1 (ko) * 2014-12-19 2016-11-15 주식회사 포스코 고강도 고연성 선재 및 그 제조 방법
JP2016183408A (ja) * 2015-03-26 2016-10-20 新日鐵住金株式会社 熱間圧延線材およびその製造方法
EP3336205B1 (fr) * 2016-12-16 2020-06-03 Posco Fil d'acier à haute résistance et son procédé de fabrication

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022131591A1 *

Also Published As

Publication number Publication date
CN116829754A (zh) 2023-09-29
EP4265768A1 (fr) 2023-10-25
US20240117459A1 (en) 2024-04-11
KR20220085333A (ko) 2022-06-22
KR102464611B1 (ko) 2022-11-09
WO2022131591A1 (fr) 2022-06-23

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