EP3556885A4 - Hochfeste zugstange mit hervorragender schlagzähigkeit und herstellungsverfahren dafür - Google Patents

Hochfeste zugstange mit hervorragender schlagzähigkeit und herstellungsverfahren dafür Download PDF

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Publication number
EP3556885A4
EP3556885A4 EP17881235.0A EP17881235A EP3556885A4 EP 3556885 A4 EP3556885 A4 EP 3556885A4 EP 17881235 A EP17881235 A EP 17881235A EP 3556885 A4 EP3556885 A4 EP 3556885A4
Authority
EP
European Patent Office
Prior art keywords
manufacturing
machine wire
superior shock
high resistance
resistance
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Withdrawn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
EP17881235.0A
Other languages
English (en)
French (fr)
Other versions
EP3556885A1 (de
Inventor
Hyong-Jik Lee
In-Gyu Park
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 EP3556885A1 publication Critical patent/EP3556885A1/de
Publication of EP3556885A4 publication Critical patent/EP3556885A4/de
Withdrawn legal-status Critical Current

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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
    • C21D9/52—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
    • 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
    • C21D1/26—Methods of annealing
    • C21D1/28—Normalising
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/001—Heat treatment of ferrous alloys containing Ni
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • 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
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/56—Continuous furnaces for strip or wire
    • C21D9/573—Continuous furnaces for strip or wire with cooling
    • C21D9/5732—Continuous furnaces for strip or wire with cooling of wires; of rods
    • 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
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/56—Continuous furnaces for strip or wire
    • C21D9/573—Continuous furnaces for strip or wire with cooling
    • C21D9/5735—Details
    • 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
    • C22C38/06—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
    • C22C38/08—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
    • C22C38/14—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
    • C21D2211/001—Austenite
    • 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
    • C21D2211/002—Bainite
    • 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
    • C21D2211/008—Martensite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
EP17881235.0A 2016-12-13 2017-11-23 Hochfeste zugstange mit hervorragender schlagzähigkeit und herstellungsverfahren dafür Withdrawn EP3556885A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020160169308A KR101879068B1 (ko) 2016-12-13 2016-12-13 충격인성이 우수한 고강도 선재 및 그 제조방법
PCT/KR2017/013391 WO2018110850A1 (ko) 2016-12-13 2017-11-23 충격인성이 우수한 고강도 선재 및 그 제조방법

Publications (2)

Publication Number Publication Date
EP3556885A1 EP3556885A1 (de) 2019-10-23
EP3556885A4 true EP3556885A4 (de) 2019-10-30

Family

ID=62558832

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17881235.0A Withdrawn EP3556885A4 (de) 2016-12-13 2017-11-23 Hochfeste zugstange mit hervorragender schlagzähigkeit und herstellungsverfahren dafür

Country Status (6)

Country Link
US (1) US20200071792A1 (de)
EP (1) EP3556885A4 (de)
JP (1) JP6806905B2 (de)
KR (1) KR101879068B1 (de)
CN (1) CN110062813B (de)
WO (1) WO2018110850A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102218441B1 (ko) * 2019-10-08 2021-02-19 주식회사 포스코 비자성 고강도 선재 및 이의 제조방법
KR102321317B1 (ko) * 2019-10-16 2021-11-02 주식회사 포스코 용접봉용 선재 및 이의 제조방법

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005054250A (ja) * 2003-08-06 2005-03-03 Kobe Steel Ltd 母材靭性およびｈａｚ靭性に優れた高張力鋼板
US20140290807A1 (en) * 2011-02-24 2014-10-02 Jfe Steel Corporation Low-yield-ratio high-strength hot-rolled steel plate with excellent low-temperature toughness and process for producing same
WO2016072679A1 (ko) * 2014-11-03 2016-05-12 주식회사 포스코 강도와 충격 인성이 우수한 선재 및 그 제조방법
KR20160053776A (ko) * 2014-11-03 2016-05-13 주식회사 포스코 강도와 충격 인성이 우수한 선재 및 그 제조방법

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61124524A (ja) * 1984-11-22 1986-06-12 Sumitomo Metal Ind Ltd 鉄筋コンクリ−ト用棒鋼の製造方法
JPS62287012A (ja) * 1986-06-03 1987-12-12 Kobe Steel Ltd 溶接性に優れた低温用鉄筋棒の製造法
JP2001123224A (ja) * 1999-10-27 2001-05-08 Sumitomo Metal Ind Ltd 高強度高靱性非調質部品の製造方法
KR100891866B1 (ko) * 2002-12-20 2009-04-08 주식회사 포스코 표면탈탄이 적은 고실리콘 첨가 중탄소 선재의 제조방법
JP4259374B2 (ja) * 2004-03-30 2009-04-30 Ｊｆｅスチール株式会社 低温靭性および溶接熱影響部靭性に優れた高強度鋼板およびその製造方法
JP5176271B2 (ja) * 2005-03-22 2013-04-03 新日鐵住金株式会社 コーティング処理による加熱後の降伏強度の上昇を抑制した引張強さ７６０ＭＰａ以上のラインパイプ用高強度鋼板の製造方法およびそれを用いたラインパイプ用高強度鋼管の製造方法
JP5034290B2 (ja) * 2006-03-28 2012-09-26 Ｊｆｅスチール株式会社 低降伏比高強度厚鋼板およびその製造方法
EP2199422A1 (de) * 2008-12-15 2010-06-23 Swiss Steel AG Kohlenstoffarmer, ausscheidungsgehärteter Stahl für Kaltstauchanwendungen
EP2698440B1 (de) * 2011-04-13 2018-05-30 Nippon Steel & Sumitomo Metal Corporation Hochfestes warmgewalztes stahlblech mit hervorragender lokaler verformbarkeit und herstellungsverfahren dafür
KR101638707B1 (ko) * 2011-07-20 2016-07-11 제이에프이 스틸 가부시키가이샤 저온 인성이 우수한 저항복비 고강도 열연 강판 및 그 제조 방법
CN103060678B (zh) * 2012-12-25 2016-04-27 钢铁研究总院 一种中温形变纳米奥氏体增强增塑钢及其制备方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005054250A (ja) * 2003-08-06 2005-03-03 Kobe Steel Ltd 母材靭性およびｈａｚ靭性に優れた高張力鋼板
US20140290807A1 (en) * 2011-02-24 2014-10-02 Jfe Steel Corporation Low-yield-ratio high-strength hot-rolled steel plate with excellent low-temperature toughness and process for producing same
WO2016072679A1 (ko) * 2014-11-03 2016-05-12 주식회사 포스코 강도와 충격 인성이 우수한 선재 및 그 제조방법
KR20160053776A (ko) * 2014-11-03 2016-05-13 주식회사 포스코 강도와 충격 인성이 우수한 선재 및 그 제조방법

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018110850A1 *

Also Published As

Publication number Publication date
EP3556885A1 (de) 2019-10-23
KR20180067894A (ko) 2018-06-21
CN110062813A (zh) 2019-07-26
KR101879068B1 (ko) 2018-07-16
WO2018110850A1 (ko) 2018-06-21
JP2020509169A (ja) 2020-03-26
CN110062813B (zh) 2021-05-04
JP6806905B2 (ja) 2021-01-06
US20200071792A1 (en) 2020-03-05

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