WO2010074463A2 - 열처리 특성이 우수한 고탄소 강판 및 그 제조방법 - Google Patents

열처리 특성이 우수한 고탄소 강판 및 그 제조방법 Download PDF

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Publication number
WO2010074463A2
WO2010074463A2 PCT/KR2009/007625 KR2009007625W WO2010074463A2 WO 2010074463 A2 WO2010074463 A2 WO 2010074463A2 KR 2009007625 W KR2009007625 W KR 2009007625W WO 2010074463 A2 WO2010074463 A2 WO 2010074463A2
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WO
WIPO (PCT)
Prior art keywords
steel sheet
high carbon
temperature
slab
manufacturing
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.)
Ceased
Application number
PCT/KR2009/007625
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English (en)
French (fr)
Other versions
WO2010074463A3 (ko
WO2010074463A8 (ko
Inventor
전재춘
이종섭
김기수
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
Priority to CN200980152363.4A priority Critical patent/CN102264933B/zh
Priority to US13/141,739 priority patent/US8440030B2/en
Publication of WO2010074463A2 publication Critical patent/WO2010074463A2/ko
Publication of WO2010074463A3 publication Critical patent/WO2010074463A3/ko
Publication of WO2010074463A8 publication Critical patent/WO2010074463A8/ko
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C21D1/32—Soft annealing, e.g. spheroidising
    • 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
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • 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
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/009—Pearlite
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

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  • 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)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

본 발명은 ⅰ) 중량%로 C:0.3~1.0%, Mn: 0.1~1.2%, Si:0보다 크고 0.4%이하, Al: 0.01~0.1%, S:0보다 크고 0.01%이하, 나머지 Fe 및 기타 불가피하게 첨가되는 불순물로 이루어진 고탄소 슬라브를 제조하는 단계, ⅱ) 상기 슬라브를 온도는 Ar3 변태점 이상으로 재가열하는 단계, ⅲ) 상기 슬라브를 조압연을 한 다음 온도는 Ar3 변태점 이상의 오스테나이트 영역에서 마무리 압연을 하여 박판을 제조하는 단계, ⅳ) 상기 박판을 수냉각대에서 냉각속도 50℃/초 이상 300℃/초 이하의 냉각속도로 냉각하는 단계, ⅴ) 상기 박판을 400~650℃의 온도구간에서 냉각을 종료하고 온도를 유지하는 단계, ⅵ) 상기 박판을 450~700℃의 온도구간에서 권취하는 단계, ⅶ) 상기 권취된 박판을 선 소둔을 생략하고 압하율 30% 이상으로 냉간압연하는 단계, 및 ⅷ) 상기 냉간압연한 박판을 구상화 소둔하는 단계; 를 포함하는 고탄소 강판의 제조방법을 제공한다.
PCT/KR2009/007625 2008-12-24 2009-12-21 열처리 특성이 우수한 고탄소 강판 및 그 제조방법 Ceased WO2010074463A2 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN200980152363.4A CN102264933B (zh) 2008-12-24 2009-12-21 热处理特性优异的高碳钢板及其制造方法
US13/141,739 US8440030B2 (en) 2008-12-24 2009-12-21 Fine spheroidized steel sheet with excellent heat treatment characteristic and method for manufacturing the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2008-0133357 2008-12-24
KR1020080133357A KR101128942B1 (ko) 2008-12-24 2008-12-24 열처리 특성이 우수한 미세구상화 강판 및 그 제조방법

Publications (3)

Publication Number Publication Date
WO2010074463A2 true WO2010074463A2 (ko) 2010-07-01
WO2010074463A3 WO2010074463A3 (ko) 2010-08-12
WO2010074463A8 WO2010074463A8 (ko) 2011-03-24

Family

ID=42288264

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/007625 Ceased WO2010074463A2 (ko) 2008-12-24 2009-12-21 열처리 특성이 우수한 고탄소 강판 및 그 제조방법

Country Status (4)

Country Link
US (1) US8440030B2 (ko)
KR (1) KR101128942B1 (ko)
CN (1) CN102264933B (ko)
WO (1) WO2010074463A2 (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130133789A1 (en) * 2010-08-17 2013-05-30 Makoto Okonogi Steel wire of special steel and wire rod of special steel
CN103210098A (zh) * 2010-09-16 2013-07-17 Posco公司 高碳热轧钢板、高碳冷轧钢板及其制造方法

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101330929B1 (ko) * 2011-06-28 2013-11-18 현대제철 주식회사 변형 방지를 위한 열연코일 제조 방법
KR101310838B1 (ko) * 2011-06-29 2013-09-24 현대제철 주식회사 짱구 저감 냉각방법
JP6129311B2 (ja) * 2013-06-05 2017-05-17 日新製鋼株式会社 スチールベルト用鋼板およびその製造法並びにスチールベルト
JP6225995B2 (ja) * 2013-11-22 2017-11-08 新日鐵住金株式会社 高炭素鋼板及びその製造方法
KR101639846B1 (ko) * 2013-12-25 2016-07-22 주식회사 포스코 우수한 성형성을 갖는 고탄소강판의 제조를 위한 구상화 열처리 방법 및 이에 의해 제조된 고탄소강판
KR101751530B1 (ko) 2015-12-28 2017-06-27 주식회사 포스코 공구용 강판 및 그 제조방법
CN106119495B (zh) * 2016-08-19 2019-02-01 武汉钢铁有限公司 一种冷轧中高碳结构钢的制造方法
KR101849760B1 (ko) * 2016-09-28 2018-04-17 주식회사 포스코 고탄소 강판 및 이의 제조방법
KR101917447B1 (ko) * 2016-12-20 2018-11-09 주식회사 포스코 고온연신 특성이 우수한 고강도 강판, 온간프레스 성형부재 및 이들의 제조방법
JP7288177B2 (ja) * 2019-02-20 2023-06-07 日本製鉄株式会社 鋼板および鋼板の製造方法
KR102329386B1 (ko) * 2019-11-08 2021-11-19 가부시키가이샤 도쿠슈 긴조쿠 엑셀 고탄소 냉연 강판 및 그 제조 방법 그리고 고탄소강제 기계 부품
KR20220146419A (ko) * 2020-03-02 2022-11-01 닛폰세이테츠 가부시키가이샤 열간 압연 강판
KR102438479B1 (ko) * 2020-12-21 2022-08-31 주식회사 포스코 열처리 특성이 우수한 구상화 냉연 강판 및 그 제조방법
CN114763592B (zh) * 2021-01-11 2023-05-09 宝山钢铁股份有限公司 一种低成本高耐磨的耐磨钢及其制造方法
CN113549830B (zh) * 2021-07-16 2022-05-20 鞍钢股份有限公司 高表面硬度折弯性能优异的中碳球化索氏体工具钢及其生产方法
KR20240051961A (ko) * 2021-08-11 2024-04-22 주식회사 포스코 고인성 고탄소 강판 및 그 제조방법
CN115352145B (zh) * 2022-06-27 2023-08-01 浙江蜂鸟新材料有限公司 一种阀片用复合钢及其制造方法
JPWO2024128284A1 (ko) * 2022-12-16 2024-06-20
JPWO2024128287A1 (ko) * 2022-12-16 2024-06-20
CN115976303B (zh) * 2023-02-06 2024-09-27 昆明理工大学 一种提高含v合金化高锰钢铸件耐磨性能的方法
JP7744619B1 (ja) * 2023-12-05 2025-09-26 日本製鉄株式会社 鋼板
WO2025120752A1 (ja) * 2023-12-05 2025-06-12 日本製鉄株式会社 鋼板
JP7744620B1 (ja) * 2023-12-05 2025-09-26 日本製鉄株式会社 鋼板
JP7744617B1 (ja) * 2023-12-05 2025-09-26 日本製鉄株式会社 鋼板

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JPH02221324A (ja) * 1989-02-22 1990-09-04 Kawasaki Steel Corp 過共析鋼の球状化処理方法
JP3613015B2 (ja) * 1998-07-29 2005-01-26 Ｊｆｅスチール株式会社 高延性および高焼入れ性を有する高炭素鋼板の製造方法
JP2003073740A (ja) * 2001-08-31 2003-03-12 Nkk Corp 高焼入れ性高炭素冷延鋼板の製造方法
KR100982097B1 (ko) * 2005-06-29 2010-09-13 제이에프이 스틸 가부시키가이샤 고탄소냉간압연강판의 제조방법
KR20080012942A (ko) 2005-06-29 2008-02-12 제이에프이 스틸 가부시키가이샤 고탄소열간압연강판 및 그 제조방법
JP5262012B2 (ja) 2006-08-16 2013-08-14 Ｊｆｅスチール株式会社 高炭素熱延鋼板およびその製造方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130133789A1 (en) * 2010-08-17 2013-05-30 Makoto Okonogi Steel wire of special steel and wire rod of special steel
US10704118B2 (en) * 2010-08-17 2020-07-07 Nippon Steel Corporation Steel wire and wire rod
US11203797B2 (en) 2010-08-17 2021-12-21 Nippon Steel Corporation Steel wire and wire rod
CN103210098A (zh) * 2010-09-16 2013-07-17 Posco公司 高碳热轧钢板、高碳冷轧钢板及其制造方法
US9133532B2 (en) 2010-09-16 2015-09-15 Posco High-carbon hot-rolled steel sheet, high-carbon cold-rolled steel sheet, and method of manufacturing the same

Also Published As

Publication number Publication date
CN102264933A (zh) 2011-11-30
US8440030B2 (en) 2013-05-14
KR20100074828A (ko) 2010-07-02
US20110259483A1 (en) 2011-10-27
CN102264933B (zh) 2014-06-18
KR101128942B1 (ko) 2012-03-27
WO2010074463A3 (ko) 2010-08-12
WO2010074463A8 (ko) 2011-03-24

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